diff options
Diffstat (limited to 'fun')
80 files changed, 5474 insertions, 0 deletions
diff --git a/fun/amsterdump/default.nix b/fun/amsterdump/default.nix new file mode 100644 index 000000000000..0d98c9a7ab93 --- /dev/null +++ b/fun/amsterdump/default.nix @@ -0,0 +1,13 @@ +{ depot, ... }: + +depot.nix.buildGo.program { + name = "amsterdump"; + srcs = [ + ./main.go + ]; + + deps = with depot.third_party; map (p: p.gopkg) [ + # gopkgs."golang.org".x.oauth2.google + gopkgs."googlemaps.github.io".maps + ]; +} diff --git a/fun/amsterdump/listings-20200105.json b/fun/amsterdump/listings-20200105.json new file mode 100644 index 000000000000..251598312a31 --- /dev/null +++ b/fun/amsterdump/listings-20200105.json @@ -0,0 +1,2326 @@ +[ + { + "address": "Sumatrakade 577, 1019 PS Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-87026792-sumatrakade-577/?navigateSource=toppositie", + "schiphol": { + "status": "OK", + "distance": { + "text": "20.5 km", + "value": 20475 + }, + "duration": { + "value": 2467, + "text": "41m7s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "3.2 km", + "value": 3187 + }, + "duration": { + "value": 727, + "text": "12m7s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Spuistraat 253, 1012 VR Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-86705763-spuistraat-253-hs/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "14.2 km", + "value": 14151 + }, + "duration": { + "value": 1901, + "text": "31m41s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "1.5 km", + "value": 1459 + }, + "duration": { + "value": 522, + "text": "8m42s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Melis Stokehof 84, 1064 JE Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-87036254-melis-stokehof-84/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "16.1 km", + "value": 16086 + }, + "duration": { + "value": 2166, + "text": "36m6s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "7.3 km", + "value": 7317 + }, + "duration": { + "value": 1772, + "text": "29m32s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Churchill-laan 91D, 1078 DK Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-41533400-churchill-laan-91-d/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "11.6 km", + "value": 11590 + }, + "duration": { + "value": 1921, + "text": "32m1s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "5.7 km", + "value": 5749 + }, + "duration": { + "value": 1609, + "text": "26m49s" + }, + "duration_in_traffic": null + } + }, + { + "address": "De Boelelaan 745, 1082 RS Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-41687804-de-boelelaan-745/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "9.5 km", + "value": 9466 + }, + "duration": { + "value": 907, + "text": "15m7s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "6.7 km", + "value": 6659 + }, + "duration": { + "value": 1147, + "text": "19m7s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Leeuwendalersweg 15G, 1055 JE Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-41679332-leeuwendalersweg-15-g/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "11.4 km", + "value": 11359 + }, + "duration": { + "value": 1596, + "text": "26m36s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "6.5 km", + "value": 6526 + }, + "duration": { + "value": 1364, + "text": "22m44s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Singel 449, 1012 XG Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-87899154-singel-449-1/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "14.2 km", + "value": 14169 + }, + "duration": { + "value": 1911, + "text": "31m51s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "1.9 km", + "value": 1945 + }, + "duration": { + "value": 568, + "text": "9m28s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Jan van Zutphenstraat 211, 1069 RR Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-41671501-jan-van-zutphenstraat-211/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "10.2 km", + "value": 10160 + }, + "duration": { + "value": 1647, + "text": "27m27s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "9.1 km", + "value": 9145 + }, + "duration": { + "value": 2311, + "text": "38m31s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Parnassusweg 977, Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-41670908-parnassusweg-977/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "9.6 km", + "value": 9578 + }, + "duration": { + "value": 996, + "text": "16m36s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "6.8 km", + "value": 6780 + }, + "duration": { + "value": 1236, + "text": "20m36s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Esplanade de Meer 179, 1098 WJ Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-87995311-esplanade-de-meer-179/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "17.4 km", + "value": 17441 + }, + "duration": { + "value": 2107, + "text": "35m7s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "7.0 km", + "value": 6989 + }, + "duration": { + "value": 1600, + "text": "26m40s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Hoofdweg 538, 1055 AB Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-41521204-hoofdweg-538/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "14.1 km", + "value": 14073 + }, + "duration": { + "value": 1892, + "text": "31m32s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "6.5 km", + "value": 6468 + }, + "duration": { + "value": 1320, + "text": "22m0s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Hoofdweg 538, 1055 AB Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-41521204-hoofdweg-538/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "14.1 km", + "value": 14073 + }, + "duration": { + "value": 1892, + "text": "31m32s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "6.5 km", + "value": 6468 + }, + "duration": { + "value": 1320, + "text": "22m0s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Hoofdweg 538, 1055 AB Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-41521204-hoofdweg-538/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "14.1 km", + "value": 14073 + }, + "duration": { + "value": 1892, + "text": "31m32s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "6.5 km", + "value": 6468 + }, + "duration": { + "value": 1320, + "text": "22m0s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Annie Romeinplein 18, 1103 JL Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-87985710-annie-romeinplein-18/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "17.4 km", + "value": 17402 + }, + "duration": { + "value": 1869, + "text": "31m9s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "10.1 km", + "value": 10129 + }, + "duration": { + "value": 1308, + "text": "21m48s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Vechtstraat 185, 1079 JJ Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-41512041-vechtstraat-185-ii/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "11.9 km", + "value": 11877 + }, + "duration": { + "value": 1876, + "text": "31m16s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "7.0 km", + "value": 6992 + }, + "duration": { + "value": 2142, + "text": "35m42s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Westerdok 240, 1013 BH Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-41553306-westerdok-240/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "18.3 km", + "value": 18332 + }, + "duration": { + "value": 1816, + "text": "30m16s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "1.7 km", + "value": 1748 + }, + "duration": { + "value": 715, + "text": "11m55s" + }, + "duration_in_traffic": null + } + }, + { + "address": "IJburglaan 701, 1087 BS Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-87898167-ijburglaan-701/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "24.5 km", + "value": 24471 + }, + "duration": { + "value": 2556, + "text": "42m36s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "7.1 km", + "value": 7097 + }, + "duration": { + "value": 935, + "text": "15m35s" + }, + "duration_in_traffic": null + } + }, + { + "address": "IJdoornlaan 1497, 1034 Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-87041092-ijdoornlaan-1497-a/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "19.5 km", + "value": 19524 + }, + "duration": { + "value": 2620, + "text": "43m40s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "4.7 km", + "value": 4704 + }, + "duration": { + "value": 1139, + "text": "18m59s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Sumatrakade 577, 1019 PS Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-87026792-sumatrakade-577/?navigateSource=toppositie", + "schiphol": { + "status": "OK", + "distance": { + "text": "20.5 km", + "value": 20475 + }, + "duration": { + "value": 2467, + "text": "41m7s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "3.2 km", + "value": 3187 + }, + "duration": { + "value": 727, + "text": "12m7s" + }, + "duration_in_traffic": null + } + }, + { + "address": "George Sliekerkade 18, 1087 KK Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-87030790-george-sliekerkade-18/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "24.8 km", + "value": 24761 + }, + "duration": { + "value": 2843, + "text": "47m23s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "8.0 km", + "value": 7958 + }, + "duration": { + "value": 1183, + "text": "19m43s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Sumatrakade 265, 1019 PK Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-41662773-sumatrakade-265/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "20.6 km", + "value": 20638 + }, + "duration": { + "value": 2587, + "text": "43m7s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "3.4 km", + "value": 3350 + }, + "duration": { + "value": 847, + "text": "14m7s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Koggestraat 5, 1012 TA Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-41531104-koggestraat-5-2/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "17.9 km", + "value": 17938 + }, + "duration": { + "value": 1748, + "text": "29m8s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "1.0 km", + "value": 981 + }, + "duration": { + "value": 393, + "text": "6m33s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Warmoesstraat 139B, 1012 JB Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-41524099-warmoesstraat-139-b/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "18.1 km", + "value": 18072 + }, + "duration": { + "value": 1835, + "text": "30m35s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "1.0 km", + "value": 964 + }, + "duration": { + "value": 315, + "text": "5m15s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Parnassusweg 35, 1077 Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-41579167-parnassusweg-35-i/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "10.0 km", + "value": 9986 + }, + "duration": { + "value": 1329, + "text": "22m9s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "5.8 km", + "value": 5754 + }, + "duration": { + "value": 1568, + "text": "26m8s" + }, + "duration_in_traffic": null + } + }, + { + "address": "De Boelelaan 389, 1082 RH Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-87890510-de-boelelaan-389/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "9.6 km", + "value": 9650 + }, + "duration": { + "value": 1048, + "text": "17m28s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "6.9 km", + "value": 6852 + }, + "duration": { + "value": 1288, + "text": "21m28s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Theo Frenkelhof 96, 1087 JA Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-87995272-theo-frenkelhof-96/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "24.9 km", + "value": 24874 + }, + "duration": { + "value": 2928, + "text": "48m48s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "8.1 km", + "value": 8101 + }, + "duration": { + "value": 1268, + "text": "21m8s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Veembroederhof 207, 1019 HD Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-41539826-veembroederhof-207/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "19.7 km", + "value": 19731 + }, + "duration": { + "value": 2402, + "text": "40m2s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "1.8 km", + "value": 1845 + }, + "duration": { + "value": 501, + "text": "8m21s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Nieuwe Passeerdersstraat 174, 1016 XP Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-41537370-nieuwe-passeerdersstraat-174/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "12.3 km", + "value": 12345 + }, + "duration": { + "value": 1885, + "text": "31m25s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "2.9 km", + "value": 2937 + }, + "duration": { + "value": 978, + "text": "16m18s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Jan van Galenstraat 1K, 1051 KE Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-41513735-jan-van-galenstraat-1-k/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "14.0 km", + "value": 14042 + }, + "duration": { + "value": 2071, + "text": "34m31s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "4.1 km", + "value": 4104 + }, + "duration": { + "value": 859, + "text": "14m19s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Joan Melchior Kemperstraat 128, 1051 TX Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-87924023-joan-melchior-kemperstraat-128-3/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "15.6 km", + "value": 15558 + }, + "duration": { + "value": 2675, + "text": "44m35s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "4.2 km", + "value": 4220 + }, + "duration": { + "value": 1015, + "text": "16m55s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Javakade 560, 1019 SE Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-41438193-javakade-560/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "20.2 km", + "value": 20218 + }, + "duration": { + "value": 2508, + "text": "41m48s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "2.1 km", + "value": 2114 + }, + "duration": { + "value": 718, + "text": "11m58s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Saxen Weimarlaan 32, 1075 BZ Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-41427768-saxen-weimarlaan-32-ii/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "13.7 km", + "value": 13707 + }, + "duration": { + "value": 1836, + "text": "30m36s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "5.5 km", + "value": 5516 + }, + "duration": { + "value": 1557, + "text": "25m57s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Zeedijk 125C, 1012 AW Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-87892979-zeedijk-125-c/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": 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"distance": { + "text": "1.9 km", + "value": 1948 + }, + "duration": { + "value": 571, + "text": "9m31s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Gordijnensteeg 1, 1012 BT Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-87925802-gordijnensteeg-1/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "21.6 km", + "value": 21578 + }, + "duration": { + "value": 2076, + "text": "34m36s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "1.0 km", + "value": 1046 + }, + "duration": { + "value": 285, + "text": "4m45s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Reguliersdwarsstraat 125, 1017 BL Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-87804538-reguliersdwarsstraat-125-2/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "21.3 km", + "value": 21342 + }, + "duration": { + "value": 2235, + "text": "37m15s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "2.2 km", + "value": 2168 + }, + "duration": { + "value": 651, + "text": "10m51s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Saxen Weimarlaan 32, 1075 BZ Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/appartement-86783378-saxen-weimarlaan-32-2/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "13.7 km", + "value": 13707 + }, + "duration": { + "value": 1836, + "text": "30m36s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "5.5 km", + "value": 5516 + }, + "duration": { + "value": 1557, + "text": "25m57s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Joan Muyskenweg 4, 1096 CJ Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/huurcomplex-40896531-joan-muyskenweg-4a-t-m-4h/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "17.1 km", + "value": 17067 + }, + "duration": { + "value": 2267, + "text": "37m47s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "5.8 km", + "value": 5777 + }, + "duration": { + "value": 1332, + "text": "22m12s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Volkerakstraat & Krammerstraat, 1078 AV Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/huurcomplex-40405375-wielingenstraat-volkerakstraat-krammerstraat-eendrachtstraat/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "11.4 km", + "value": 11405 + }, + "duration": { + "value": 1518, + "text": "25m18s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "4.9 km", + "value": 4941 + }, + "duration": { + "value": 957, + "text": "15m57s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Pontsteiger, 1013 AH Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/huurcomplex-40133931-pontsteiger/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "19.4 km", + "value": 19399 + }, + "duration": { + "value": 2020, + "text": "33m40s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "2.6 km", + "value": 2600 + }, + "duration": { + "value": 753, + "text": "12m33s" + }, + "duration_in_traffic": null + } + }, + { + "address": "153 S Pearl St, Albany, NY 12202, USA", + "url": "https://www.funda.nl/en/huur/amsterdam/huurcomplex-41409333-de-halve-maen/?navigateSource=resultlist", + "schiphol": { + "status": "ZERO_RESULTS", + "distance": { + "text": "", + "value": 0 + }, + "duration": { + "value": 0, + "text": "" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "ZERO_RESULTS", + "distance": { + "text": "", + "value": 0 + }, + "duration": { + "value": 0, + "text": "" + }, + "duration_in_traffic": null + } + }, + { + "address": "Stokerkade 2, 1019 XA Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/huurcomplex-48914398-borneokade-255-313-stuurmankade-146-264-stokerkade-2-60-patio-woningen/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "22.7 km", + "value": 22749 + }, + "duration": { + "value": 2848, + "text": "47m28s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "5.5 km", + "value": 5460 + }, + "duration": { + "value": 1108, + "text": "18m28s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Tweede Hugo de Grootstraat, Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/huurcomplex-49624585-tweede-hugo-de-grootstraat/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "21.0 km", + "value": 20980 + }, + "duration": { + "value": 2473, + "text": "41m13s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "4.0 km", + "value": 4003 + }, + "duration": { + "value": 990, + "text": "16m30s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Westerdoksdijk 243, 1013 AD Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/huurcomplex-48925492-westerdoksdijk-243-t-m-271-d/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "18.2 km", + "value": 18168 + }, + "duration": { + "value": 1694, + "text": "28m14s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "1.4 km", + "value": 1369 + }, + "duration": { + "value": 427, + "text": "7m7s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Javakade 440, 1019 SC Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/huurcomplex-48914339-javakade-440-618-imogirituin-6-8/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "20.6 km", + "value": 20578 + }, + "duration": { + "value": 2544, + "text": "42m24s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "2.2 km", + "value": 2211 + }, + "duration": { + "value": 786, + "text": "13m6s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Nieuwe Passeerdersstraat, 1016 XJ Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/huurcomplex-40176801-nieuwe-passeerdersstraat/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "12.4 km", + "value": 12361 + }, + "duration": { + "value": 1897, + "text": "31m37s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "2.9 km", + "value": 2922 + }, + "duration": { + "value": 967, + "text": "16m7s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Nieuwe Passeerdersstraat, 1016 XJ Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/huurcomplex-40176801-nieuwe-passeerdersstraat/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "12.4 km", + "value": 12361 + }, + "duration": { + "value": 1897, + "text": "31m37s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "2.9 km", + "value": 2922 + }, + "duration": { + "value": 967, + "text": "16m7s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Sumatrakade 13, 1019 BJ Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/huurcomplex-48925472-sumatrakade-13-1295/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "21.2 km", + "value": 21157 + }, + "duration": { + "value": 2599, + "text": "43m19s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "3.9 km", + "value": 3868 + }, + "duration": { + "value": 859, + "text": "14m19s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Sumatrakade 13, 1019 BJ Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/huurcomplex-48925472-sumatrakade-13-1295/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "21.2 km", + "value": 21157 + }, + "duration": { + "value": 2599, + "text": "43m19s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "3.9 km", + "value": 3868 + }, + "duration": { + "value": 859, + "text": "14m19s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Westerdoksdijk 4, 1013 AA Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/huurcomplex-40544531-westerdok-en-westerdoksdijk-4-6-106-t-m-270-en-35-t-m-49-89-t-m-101/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "17.9 km", + "value": 17924 + }, + "duration": { + "value": 1687, + "text": "28m7s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "0.9 km", + "value": 919 + }, + "duration": { + "value": 693, + "text": "11m33s" + }, + "duration_in_traffic": null + } + }, + { + "address": "Westerdoksdijk 4, 1013 AA Amsterdam, Netherlands", + "url": "https://www.funda.nl/en/huur/amsterdam/huurcomplex-40544531-westerdok-en-westerdoksdijk-4-6-106-t-m-270-en-35-t-m-49-89-t-m-101/?navigateSource=resultlist", + "schiphol": { + "status": "OK", + "distance": { + "text": "17.9 km", + "value": 17924 + }, + "duration": { + "value": 1687, + "text": "28m7s" + }, + "duration_in_traffic": null + }, + "centraal": { + "status": "OK", + "distance": { + "text": "0.9 km", + "value": 919 + }, + "duration": { + "value": 693, + "text": "11m33s" + }, + "duration_in_traffic": null + } + } +] diff --git a/fun/amsterdump/main.go b/fun/amsterdump/main.go new file mode 100644 index 000000000000..77f7392f4b7c --- /dev/null +++ b/fun/amsterdump/main.go @@ -0,0 +1,108 @@ +// Amsterdump is a small program that populates a BigQuery table with +// a matrix of origin points scattered around Amsterdam and each +// respective points travel time to a given destination. +// +// The two destinations used here are the Schiphol Airport and +// Amsterdam Central station. +// +// To accomplish this the Google Maps Distance Matrix API [1] is +// queried with the points. A visualisation is later done using +// BigQuery GeoViz[2]. +// +// [1]: https://developers.google.com/maps/documentation/distance-matrix/start#quotas +// [2]: https://bigquerygeoviz.appspot.com/ +package main + +import ( + "context" + "encoding/json" + "fmt" + "io/ioutil" + "log" + "os" + + "googlemaps.github.io/maps" +) + +func failOn(err error, msg string) { + if err != nil { + log.Fatalln(msg, err) + } +} + +type LocationResult struct { + Address string `json:"address"` + URL string `json:"url"` + Schiphol *maps.DistanceMatrixElement `json:"schiphol"` + Centraal *maps.DistanceMatrixElement `json:"centraal"` +} + +type Listing struct { + URL string `json:"url"` + Address string `json:"address"` +} + +func requestMatrix(ctx context.Context, client *maps.Client, listings []Listing) { + origins := make([]string, len(listings)) + for i, l := range listings { + origins[i] = l.Address + } + + request := &maps.DistanceMatrixRequest{ + Mode: maps.TravelModeTransit, + Units: maps.UnitsMetric, + Origins: origins, + + Destinations: []string{ + "Schiphol Airport", + "Amsterdam Centraal", + }, + } + + response, err := client.DistanceMatrix(ctx, request) + failOn(err, "could not retrieve distance matrix:") + + for idx, addr := range response.OriginAddresses { + result := LocationResult{ + Address: addr, + URL: listings[idx].URL, + Schiphol: response.Rows[idx].Elements[0], + Centraal: response.Rows[idx].Elements[1], + } + + j, _ := json.Marshal(result) + fmt.Println(string(j)) + } +} + +func main() { + var listings []Listing + input, err := ioutil.ReadFile("fun/amsterdump/input.json") + failOn(err, "could not read input file:") + + err = json.Unmarshal(input, &listings) + failOn(err, "could not deserialise listings:") + + ctx := context.Background() + apiKey := os.Getenv("MAPS_API_KEY") + if apiKey == "" { + log.Fatalln("API key must be supplied via MAPS_API_KEY") + } + + client, err := maps.NewClient(maps.WithAPIKey(apiKey)) + failOn(err, "could not create Google Maps API client:") + + var chunk []Listing + for _, l := range listings { + if len(chunk) == 25 { + requestMatrix(ctx, client, chunk) + chunk = []Listing{} + } else { + chunk = append(chunk, l) + } + } + + if len(chunk) > 1 { + requestMatrix(ctx, client, chunk) + } +} diff --git a/fun/amsterdump/scrape.el b/fun/amsterdump/scrape.el new file mode 100644 index 000000000000..f5537c2c8f17 --- /dev/null +++ b/fun/amsterdump/scrape.el @@ -0,0 +1,25 @@ +;; Scraping funda.nl (this file is just notes and snippets, not full code) +;; +;; Begin by copying whole page into buffer (out of inspect element +;; because encoding is difficult) + +(beginning-of-buffer) + +;; zap everything that isn't a relevant result +(keep-lines "data-object-url-tracking\\|img alt") + +;; mark all spans, move them to the end of the buffer +(cl-letf (((symbol-function 'read-regexp) + (lambda (&rest _) "</span>"))) + (mc/mark-all-in-region-regexp (point-min) (point-max))) + +;; mark all images lines (these contain street addresses for things +;; with images), clear up and join with previous +;; +;; mark all: data-image-error-fallback + +;; delete all lines that don't either contain a span or an img tag +;; (there are duplicates) +(keep-lines "span class\\|img alt") + +;; do some manual cleanup from the hrefs and done diff --git a/fun/aoc2019/default.nix b/fun/aoc2019/default.nix new file mode 100644 index 000000000000..5f1f248c504a --- /dev/null +++ b/fun/aoc2019/default.nix @@ -0,0 +1,22 @@ +# Solutions for Advent of Code 2019, written in Emacs Lisp. +# +# For each day a new file is created as "solution-day$n.el". +{ depot, ... }: + +let + inherit (builtins) attrNames filter head listToAttrs match readDir; + dir = readDir ./.; + matchSolution = match "solution-(.*)\.el"; + isSolution = f: (matchSolution f) != null; + getDay = f: head (matchSolution f); + + solutionFiles = filter (e: dir."${e}" == "regular" && isSolution e) (attrNames dir); + solutions = map (f: let day = getDay f; in { + name = day; + value = depot.writeElispBin { # TODO(tazjin): move writeElispBin to depot.nix + name = "aoc2019"; + deps = p: with p; [ dash s ht ]; + src = ./. + ("/" + f); + }; + }) solutionFiles; +in listToAttrs solutions diff --git a/fun/aoc2019/solution-day1.el b/fun/aoc2019/solution-day1.el new file mode 100644 index 000000000000..d805c22ec870 --- /dev/null +++ b/fun/aoc2019/solution-day1.el @@ -0,0 +1,28 @@ +;; Advent of Code 2019 - Day 1 +(require 'dash) + +;; Puzzle 1: + +(defvar day-1/input + '(83285 96868 121640 51455 128067 128390 141809 52325 68310 140707 124520 149678 + 87961 52040 133133 52203 117483 85643 84414 86558 65402 122692 88565 61895 + 126271 128802 140363 109764 53600 114391 98973 124467 99574 69140 144856 + 56809 149944 138738 128823 82776 77557 51994 74322 64716 114506 124074 + 73096 97066 96731 149307 135626 121413 69575 98581 50570 60754 94843 72165 + 146504 53290 63491 50936 79644 119081 70218 85849 133228 114550 131943 + 67288 68499 80512 148872 99264 119723 68295 90348 146534 52661 99146 95993 + 130363 78956 126736 82065 77227 129950 97946 132345 107137 79623 148477 + 88928 118911 75277 97162 80664 149742 88983 74518)) + +(defun calculate-fuel (mass) + (- (/ mass 3) 2)) + +(message "Solution to day1/1: %d" (apply #'+ (-map #'calculate-fuel day-1/input))) + +;; Puzzle 2: +(defun calculate-recursive-fuel (mass) + (let ((fuel (calculate-fuel mass))) + (if (< fuel 0) 0 + (+ fuel (calculate-recursive-fuel fuel))))) + +(message "Solution to day1/2: %d" (apply #'+ (-map #'calculate-recursive-fuel day-1/input))) diff --git a/fun/aoc2019/solution-day2.el b/fun/aoc2019/solution-day2.el new file mode 100644 index 000000000000..6ecac1e2016c --- /dev/null +++ b/fun/aoc2019/solution-day2.el @@ -0,0 +1,53 @@ +;; -*- lexical-binding: t; -*- +;; Advent of Code 2019 - Day 2 +(require 'dash) +(require 'ht) + +(defvar day2/input + [1 0 0 3 1 1 2 3 1 3 4 3 1 5 0 3 2 1 9 19 1 19 5 23 1 13 23 27 1 27 6 31 + 2 31 6 35 2 6 35 39 1 39 5 43 1 13 43 47 1 6 47 51 2 13 51 55 1 10 55 + 59 1 59 5 63 1 10 63 67 1 67 5 71 1 71 10 75 1 9 75 79 2 13 79 83 1 9 + 83 87 2 87 13 91 1 10 91 95 1 95 9 99 1 13 99 103 2 103 13 107 1 107 10 + 111 2 10 111 115 1 115 9 119 2 119 6 123 1 5 123 127 1 5 127 131 1 10 + 131 135 1 135 6 139 1 10 139 143 1 143 6 147 2 147 13 151 1 5 151 155 1 + 155 5 159 1 159 2 163 1 163 9 0 99 2 14 0 0]) + +;; Puzzle 1 + +(defun day2/single-op (f state idx) + (let* ((a (aref state (aref state (+ 1 idx)))) + (b (aref state (aref state (+ 2 idx)))) + (p (aref state (+ 3 idx))) + (result (funcall f a b))) + (aset state p (funcall f a b)))) + +(defun day2/operate (state idx) + (pcase (aref state idx) + (99 (aref state 0)) + (1 (day2/single-op #'+ state idx) + (day2/operate state (+ 4 idx))) + (2 (day2/single-op #'* state idx) + (day2/operate state (+ 4 idx))) + (other (error "Unknown opcode: %s" other)))) + +(defun day2/program-with-inputs (noun verb) + (let* ((input (copy-tree day2/input t))) + (aset input 1 noun) + (aset input 2 verb) + (day2/operate input 0))) + +(message "Solution to day2/1: %s" (day2/program-with-inputs 12 2)) + +;; Puzzle 2 +(let* ((used (ht)) + (noun 0) + (verb 0) + (result (day2/program-with-inputs noun verb))) + (while (/= 19690720 result) + (setq noun (random 100)) + (setq verb (random 100)) + (unless (ht-get used (format "%d%d" noun verb)) + (ht-set used (format "%d%d" noun verb) t) + (setq result (day2/program-with-inputs noun verb)))) + + (message "Solution to day2/2: %s%s" noun verb)) diff --git a/fun/aoc2019/solution-day3.el b/fun/aoc2019/solution-day3.el new file mode 100644 index 000000000000..b7dfdd245fb1 --- /dev/null +++ b/fun/aoc2019/solution-day3.el @@ -0,0 +1,64 @@ +;; -*- lexical-binding: t; -*- +;; Advent of Code 2019 - Day 3 + +(require 'cl-lib) +(require 'dash) +(require 'ht) +(require 's) + +(defvar day3/input/wire1 + "R1010,D422,L354,U494,L686,U894,R212,U777,L216,U9,L374,U77,R947,U385,L170,U916,R492,D553,L992,D890,L531,U360,R128,U653,L362,U522,R817,U198,L126,D629,L569,U300,L241,U145,R889,D196,L450,D576,L319,D147,R985,U889,L941,U837,L608,D77,L864,U911,L270,D869,R771,U132,L249,U603,L36,D328,L597,U992,L733,D370,L947,D595,L308,U536,L145,U318,R55,D773,R175,D505,R483,D13,R780,U778,R445,D107,R490,U245,L587,U502,R446,U639,R150,U35,L455,D522,R866,U858,R394,D975,R513,D378,R58,D646,L374,D675,R209,U228,R530,U543,L480,U677,L912,D164,L573,U587,L784,D626,L994,U250,L215,U985,R684,D79,L877,U811,L766,U617,L665,D246,L408,U800,L360,D272,L436,U138,R240,U735,L681,U68,L608,D59,R532,D808,L104,U968,R887,U819,R346,U698,L317,U582,R516,U55,L303,U607,L457,U479,L510,D366,L583,U519,R878,D195,R970,D267,R842,U784,R9,D946,R833,D238,L232,D94,L860,D47,L346,U951,R491,D745,R849,U273,R263,U392,L341,D808,R696,U326,R886,D296,L865,U833,R241,U644,R729,D216,R661,D712,L466,D699,L738,U5,L556,D693,R912,D13,R48,U63,L877,U628,L689,D929,R74,U924,R612,U153,R417,U425,L879,D378,R79,D248,L3,U519,R366,U281,R439,D823,R149,D668,R326,D342,L213,D735,R504,U265,L718,D842,L565,U105,L214,U963,R518,D681,R642,U170,L111,U6,R697,U572,R18,U331,L618,D255,R534,D322,L399,U595,L246,U651,L836,U757,R417,D795,R291,U759,L568,U965,R828,D570,R350,U317,R338,D173,L74,D833,L650,D844,L70,U913,R594,U407,R674,D684,L481,D564,L128,D277,R851,D274,L435,D582,R469,U729,R387,D818,R443,U504,R414,U8,L842,U845,R275,U986,R53,U660,R661,D225,R614,U159,R477") + +(defvar day3/input/wire2 + "L1010,D698,R442,U660,L719,U702,L456,D86,R938,D177,L835,D639,R166,D285,L694,U468,L569,D104,L234,D574,L669,U299,L124,D275,L179,D519,R617,U72,L985,D248,R257,D276,L759,D834,R490,U864,L406,U181,R911,U873,R261,D864,R260,U759,R648,U158,R308,D386,L835,D27,L745,U91,R840,U707,R275,U543,L663,U736,L617,D699,R924,U103,R225,U455,R708,U319,R569,U38,R315,D432,L179,D975,R519,D546,L295,U680,L685,U603,R262,D250,R7,U171,R261,U519,L832,U534,L471,U431,L474,U886,R10,D179,L79,D555,R452,U452,L832,U863,L367,U538,L237,D160,R441,U605,R942,U259,L811,D552,R646,D353,L225,D94,L35,D307,R752,U23,R698,U610,L379,D932,R698,D751,R178,D347,R325,D156,R471,D555,R558,D593,R773,U2,L955,U764,L735,U438,R364,D640,L757,U534,R919,U409,R361,U407,R336,D808,R877,D648,R610,U198,R340,U94,R795,D667,R811,U975,L965,D224,R565,D681,L64,U567,R621,U922,L665,U329,R242,U592,L727,D481,L339,U402,R213,D280,R656,U169,R976,D962,L294,D505,L251,D689,L497,U133,R230,D441,L90,D220,L896,D657,L500,U331,R502,U723,R762,D613,L447,D256,L226,U309,L935,U384,L740,D459,R309,D707,R952,D747,L304,D105,R977,D539,R941,D21,R291,U216,R132,D543,R515,U453,L854,D42,R982,U102,L469,D639,R559,D68,R302,U734,R980,D214,R107,D191,L730,D793,L63,U17,R807,U196,R412,D592,R330,D941,L87,D291,L44,D94,L272,D780,R968,U837,L712,D704,R163,U981,R537,U778,R220,D303,L196,D951,R163,D446,R11,D623,L72,D778,L158,U660,L189,D510,L247,D716,L89,U887,L115,U114,L36,U81,R927,U293,L265,U183,R331,D267,R745,D298,L561,D918,R299,U810,L322,U679,L739,D854,L581,U34,L862,D779,R23") + +;; Puzzle 1 + +(defun wire-from (raw) + (-map (lambda (s) + (cons (substring s 0 1) (string-to-number (substring s 1)))) + (s-split "," raw))) + +(defun day3/move (x y next) + (cl-flet ((steps (by op) + (-map op (reverse (number-sequence 1 by))))) + (pcase next + (`("L" . ,by) (steps by (lambda (n) (cons (- x n) y)))) + (`("R" . ,by) (steps by (lambda (n) (cons (+ x n) y)))) + (`("U" . ,by) (steps by (lambda (n) (cons x (+ y n))))) + (`("D" . ,by) (steps by (lambda (n) (cons x (- y n)))))))) + +(defun day3/wire-points (wire) + (let ((points (ht)) + (point-list (-reduce-from + (lambda (acc point) + (-let* (((x . y) (car acc)) + (next (day3/move x y point))) + (-concat next acc))) + '((0 . 0)) wire))) + (-map (-lambda ((s . p)) (ht-set! points p s)) + (-zip (reverse (number-sequence 0 (- (length point-list) 1))) point-list)) + (ht-remove! points '(0 . 0)) + points)) + +(defun day3/closest-intersection (crossed-points) + (car (-sort #'< + (-map (-lambda ((x . y)) + (+ (abs x) (abs y))) + crossed-points)))) + +(defun day3/minimum-steps (wire1 wire2 crossed) + (car (-sort #'< + (-map (-lambda (p) + (+ (ht-get wire1 p) (ht-get wire2 p))) + crossed)))) + +;; Example: +(let* ((wire1-points (day3/wire-points (wire-from day3/input/wire1))) + (wire2-points (day3/wire-points (wire-from day3/input/wire2))) + (crossed-points (-filter (lambda (p) (ht-contains? wire1-points p)) + (ht-keys wire2-points)))) + (message "Solution for day3/1: %d" (day3/closest-intersection crossed-points)) + (message "Solution for day3/2: %d" (day3/minimum-steps wire1-points + wire2-points + crossed-points))) diff --git a/fun/aoc2019/solution-day4.el b/fun/aoc2019/solution-day4.el new file mode 100644 index 000000000000..2805f3f4e9cd --- /dev/null +++ b/fun/aoc2019/solution-day4.el @@ -0,0 +1,73 @@ +;; -*- lexical-binding: t; -*- +;; Advent of Code 2019 - Day 4 + +(require 'cl-lib) +(require 'dash) + +;; Puzzle 1 + +(defun day4/to-digits (num) + "Convert NUM to a list of its digits." + (cl-labels ((steps (n digits) + (if (= n 0) digits + (steps (/ n 10) (cons (% n 10) digits))))) + (steps num '()))) + +(defvar day4/input (-map #'day4/to-digits (number-sequence 128392 643281))) + +(defun day4/filter-password (digits) + "Determines whether the given rules match the supplied + number." + + (and + ;; It is a six digit number + (= 6 (length digits)) + + ;; Value is within the range given in puzzle input + ;; (noop because the range is generated from the input) + + ;; Two adjacent digits are the same (like 22 in 122345). + (car (-reduce-from (-lambda ((acc . prev) next) + (cons (or acc (= prev next)) next)) + '(nil . 0) digits)) + + ;; Going from left to right, the digits never decrease; they only + ;; ever increase or stay the same (like 111123 or 135679). + (car (-reduce-from (-lambda ((acc . prev) next) + (cons (and acc (>= next prev)) next)) + '(t . 0) digits)))) + +;; Puzzle 2 +;; +;; Additional criteria: If there's matching digits, they're not in a group. + +(cl-defstruct day4/acc state prev count) + +(defun day4/filter-longer-groups (digits) + (let ((res (-reduce-from + (lambda (acc next) + (cond ;; sequence is broken and count was at 1 -> + ;; match! + ((and (= (day4/acc-count acc) 2) + (/= (day4/acc-prev acc) next)) + (setf (day4/acc-state acc) t)) + + ;; sequence continues, counter increment! + ((= (day4/acc-prev acc) next) + (setf (day4/acc-count acc) (+ 1 (day4/acc-count acc)))) + + ;; sequence broken, reset counter + ((/= (day4/acc-prev acc) next) + (setf (day4/acc-count acc) 1))) + + (setf (day4/acc-prev acc) next) + acc) + (make-day4/acc :prev 0 :count 0) digits))) + (or (day4/acc-state res) + (= 2 (day4/acc-count res))))) + +(let* ((simple (-filter #'day4/filter-password day4/input)) + (complex (-filter #'day4/filter-longer-groups simple))) + (message "Solution to day4/1: %d" (length simple)) + (message "Solution to day4/2: %d" (length complex))) + diff --git a/fun/avatar.jpeg b/fun/avatar.jpeg new file mode 100644 index 000000000000..f38f05657840 --- /dev/null +++ b/fun/avatar.jpeg Binary files differdiff --git a/fun/defer_rs/.gitignore b/fun/defer_rs/.gitignore new file mode 100644 index 000000000000..6aa106405a4b --- /dev/null +++ b/fun/defer_rs/.gitignore @@ -0,0 +1,3 @@ +/target/ +**/*.rs.bk +Cargo.lock diff --git a/fun/defer_rs/Cargo.toml b/fun/defer_rs/Cargo.toml new file mode 100644 index 000000000000..0fcd60373ff7 --- /dev/null +++ b/fun/defer_rs/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "defer" +version = "0.1.0" +authors = ["Vincent Ambo <tazjin@gmail.com>"] + +[dependencies] diff --git a/fun/defer_rs/README.md b/fun/defer_rs/README.md new file mode 100644 index 000000000000..160158d177b8 --- /dev/null +++ b/fun/defer_rs/README.md @@ -0,0 +1,53 @@ +defer in Rust +============= + +After a Hacker News discussion about implementing Go's `defer` keyword in C++, +I stumbled upon [this comment](https://news.ycombinator.com/item?id=15523589) +and more specifically this response to it by "Occivink": + +> There's plenty of one-time cases where you don't want to declare an entire +> class but still enjoy scope-based functions. + +Specificall the "don't want to declare an entire class" suggests that languages +like C++ have high friction for explaining your desired invariant (cleanup is +run when `$thing` is destroyed) to the compiler. + +It seems like most languages either hand-wave this away (*cough* Java *cough*) +or use what seems like a workaround (`defer`). + +Rust has the so-called `Drop` trait, which is a typeclass that contains a single +method with no return value that is run when a variable is dropped (i.e. goes out +of scope). + +This works fine for most general cases - i.e. closing file handlers - but can +get complicated if other use-cases of `defer` are considered: + +* returning an error-value by mutating a reference in the enclosing scope (oh boy) +* deferring a decision about when/whether to run cleanup to the caller + +While thinking about how to do this with the `Drop` trait I realised that `defer` +can actually be trivially implemented in Rust, using `Drop`. + +A simple implementation of `defer` can be seen in [defer.rs](examples/defer.rs), +an implementation using shared mutable state for error returns is in the file +[defer-with-error.rs](examples/defer-with-error.rs) and an implementation that +allows cleanup to be *cancelled* (don't _actually_ do this, it leaks a pointer) +is in [undefer.rs](examples/undefer.rs). + +Whether any of this is actually useful is not up to me to decide. I haven't +actually had a real-life need for this. + +You can run the examples with `cargo run --example defer`, etc. + +## Notes + +* `Drop` is not guaranteed to run in case of panics or program aborts, if you + need support for that check out [scopeguard](https://github.com/bluss/scopeguard) +* `undefer` could be implemented safely by, for example, carrying a boolean that + by default causes execution to happen but can be flipped to disable it + +## Further reading: + +* [The Pain Of Real Linear Types in Rust](https://gankro.github.io/blah/linear-rust/) +* [Go's defer](https://tour.golang.org/flowcontrol/12) +* [Rust's Drop](https://doc.rust-lang.org/std/ops/trait.Drop.html) diff --git a/fun/defer_rs/examples/defer-with-error.rs b/fun/defer_rs/examples/defer-with-error.rs new file mode 100644 index 000000000000..26d56d77cf1b --- /dev/null +++ b/fun/defer_rs/examples/defer-with-error.rs @@ -0,0 +1,70 @@ +// Go's defer in Rust, with error value return. + +use std::rc::Rc; +use std::sync::RwLock; + +struct Defer<F: Fn()> { + f: F +} + +impl <F: Fn()> Drop for Defer<F> { + fn drop(&mut self) { + (self.f)() + } +} + +// Only added this for Go-syntax familiarity ;-) +fn defer<F: Fn()>(f: F) -> Defer<F> { + Defer { f } +} + +// Convenience type synonym. This is a reference-counted smart pointer to +// a shareable, mutable variable. +// Rust does not allow willy-nilly mutation of shared variables, so explicit +// write-locking must be performed. +type ErrorHandle<T> = Rc<RwLock<Option<T>>>; + +/////////////////// +// Usage example // +/////////////////// + +#[derive(Debug)] // Debug trait for some default way to print the type. +enum Error { DropError } + +fn main() { + // Create a place to store the error. + let drop_err: ErrorHandle<Error> = Default::default(); // create empty error + + // Introduce an arbitrary scope block (so that we still have control after + // the defer runs): + { + let mut i = 1; + + // Rc types are safe to clone and share for multiple ownership. + let err_handle = drop_err.clone(); + + // Call defer and let the closure own the cloned handle to the error: + let token = defer(move || { + // do something! + println!("Value is: {}", i); + + // ... oh no, it went wrong! + *err_handle.write().unwrap() = Some(Error::DropError); + }); + + i += 1; + println!("Value is: {}", i); + + // token goes out of scope here - drop() is called. + } + + match *drop_err.read().unwrap() { + Some(ref err) => println!("Oh no, an error occured: {:?}!", err), + None => println!("Phew, everything went well.") + }; +} + +// Prints: +// Value is: 2 +// Value is: 1 +// Oh no, an error occured: DropError! diff --git a/fun/defer_rs/examples/defer.rs b/fun/defer_rs/examples/defer.rs new file mode 100644 index 000000000000..eadac795f8bc --- /dev/null +++ b/fun/defer_rs/examples/defer.rs @@ -0,0 +1,31 @@ +// Go's defer in Rust! + +struct Defer<F: Fn()> { + f: F +} + +impl <F: Fn()> Drop for Defer<F> { + fn drop(&mut self) { + (self.f)() + } +} + +// Only added this for Go-syntax familiarity ;-) +fn defer<F: Fn()>(f: F) -> Defer<F> { + Defer { f } +} + +fn main() { + let mut i = 1; + + // Calling it "token" ... could be something else. The lifetime of this + // controls when the action is run. + let _token = defer(move || println!("Value is: {}", i)); + + i += 1; + println!("Value is: {}", i); +} + +// Prints: +// Value is: 2 +// Value is: 1 diff --git a/fun/defer_rs/examples/undefer.rs b/fun/defer_rs/examples/undefer.rs new file mode 100644 index 000000000000..17ad8a6b5485 --- /dev/null +++ b/fun/defer_rs/examples/undefer.rs @@ -0,0 +1,40 @@ +// Go's defer in Rust, with a little twist! + +struct Defer<F: Fn()> { + f: F +} + +impl <F: Fn()> Drop for Defer<F> { + fn drop(&mut self) { + (self.f)() + } +} + +// Only added this for Go-syntax familiarity ;-) +fn defer<F: Fn()>(f: F) -> Defer<F> { + Defer { f } +} + +// Changed your mind about the defer? +// (Note: This leaks the closure! Don't actually do this!) +fn undefer<F: Fn()>(token: Defer<F>) { + use std::mem; + mem::forget(token); +} + +fn main() { + let mut i = 1; + + // Calling it "token" ... could be something else. The lifetime of this + // controls when the action is run. + let token = defer(move || println!("Value is: {}", i)); + + i += 1; + println!("Value is: {}", i); + + // Oh, now I changed my mind about the previous defer: + undefer(token); +} + +// Prints: +// Value is: 2 diff --git a/fun/dt/CMakeLists.txt b/fun/dt/CMakeLists.txt new file mode 100644 index 000000000000..85b659fea862 --- /dev/null +++ b/fun/dt/CMakeLists.txt @@ -0,0 +1,16 @@ +# -*- mode: cmake; -*- +cmake_minimum_required(VERSION 3.16) +project(dt) +add_executable(dt dt.cc) +find_package(absl REQUIRED) + +target_link_libraries(dt + absl::flags + absl::flags_parse + absl::hash + absl::time + absl::strings + farmhash +) + +install(TARGETS dt DESTINATION bin) diff --git a/fun/dt/README.md b/fun/dt/README.md new file mode 100644 index 000000000000..ee43d5606409 --- /dev/null +++ b/fun/dt/README.md @@ -0,0 +1,11 @@ +dt +== + +It's got a purpose. + +## Usage: + +``` +nix-build -E '(import (builtins.fetchGit "https://git.tazj.in/") {}).fun.dt' +./result/bin/dt --one ... --two ... +``` diff --git a/fun/dt/default.nix b/fun/dt/default.nix new file mode 100644 index 000000000000..b6efa289948b --- /dev/null +++ b/fun/dt/default.nix @@ -0,0 +1,14 @@ +{ depot, pkgs, ... }: + +let + stdenv = with pkgs; overrideCC clangStdenv clang_10; + abseil_cpp = pkgs.abseil_cpp.override { inherit stdenv; }; +in stdenv.mkDerivation { + name = "dt"; + src = ./.; + nativeBuildInputs = [ pkgs.cmake ]; + buildInputs = with pkgs; [ + abseil_cpp + farmhash + ]; +} diff --git a/fun/dt/dt.cc b/fun/dt/dt.cc new file mode 100644 index 000000000000..5c4c3da76853 --- /dev/null +++ b/fun/dt/dt.cc @@ -0,0 +1,79 @@ +#include <iostream> +#include <vector> + +#include "absl/flags/flag.h" +#include "absl/flags/parse.h" +#include "absl/hash/hash.h" +#include "absl/strings/str_cat.h" +#include "absl/time/clock.h" +#include "absl/time/time.h" +#include "absl/types/optional.h" +#include "farmhash.h" + +ABSL_FLAG(std::vector<std::string>, words, {}, "words to use"); + +struct Result { + std::string a; + int ec; + absl::optional<std::string> p; +}; + +std::string which(const std::vector<std::string>& words) { + uint64_t fp; + std::string word; + + for (const auto& w : words) { + auto nfp = util::Fingerprint64(w); + if (nfp > fp) { + fp = nfp; + word = w; + } + } + + return word; +} + +Result decide(const std::vector<std::string>& words) { + auto input = absl::FormatTime("%Y%m%d", absl::Now(), absl::UTCTimeZone()); + for (const auto& w : words) { + input += w; + } + + auto base = util::Fingerprint64(input); + Result result = { "nope" }; + + if (base % 10 == 0) { + result.a = "ca"; + } else if (base % 8 == 0) { + result.a = "c1"; + result.p = which(words); + } else if (base % 6 == 0) { + result.a = "skip"; + } else if (base % 3 == 0) { + result.a = "e1"; + result.ec = base % 10; + result.p = which(words); + } else if (base % 2 == 0) { + result.a = "ea"; + result.ec = base % 10; + } + + return result; +} + +int main(int argc, char *argv[]) { + absl::ParseCommandLine(argc, argv); + + auto words = absl::GetFlag(FLAGS_words); + if (words.size() < 2) { + std::cerr << "needs at least two!" << std::endl; + return 1; + } + + auto result = decide(words); + std::cout << result.a + << (result.p.has_value() ? absl::StrCat(" ", "(", result.p.value(), ")") + : "") + << (result.ec > 0 ? absl::StrCat(": ", result.ec) : "") + << std::endl; +} diff --git a/fun/elblog/.gitignore b/fun/elblog/.gitignore new file mode 100644 index 000000000000..c531d9867f6c --- /dev/null +++ b/fun/elblog/.gitignore @@ -0,0 +1 @@ +*.elc diff --git a/fun/elblog/README.md b/fun/elblog/README.md new file mode 100644 index 000000000000..994b1138ef8f --- /dev/null +++ b/fun/elblog/README.md @@ -0,0 +1,11 @@ +elblog +====== + +This is a simple blogging software written in Emacs Lisp. + +The idea is that it should be able to do most of the things [my actual blog][] +does at the moment. + +No documentation exists for now besides the commit messages, but it works! + +[my actual blog]: https://www.tazj.in/ diff --git a/fun/elblog/blog.css b/fun/elblog/blog.css new file mode 100644 index 000000000000..0d021f78e89b --- /dev/null +++ b/fun/elblog/blog.css @@ -0,0 +1,37 @@ +<style type="text/css"> +body { + margin: 40px auto; + max-width: 800px; + line-height: 1.6; + font-size: 18px; + color: #383838; + padding: 0 10px +} +h1, h2, h3 { + line-height: 1.2 +} +.footer { + text-align: right; +} +.lod { + text-align: center; +} +.unstyled-link { + color: inherit; + text-decoration: none; +} +.uncoloured-link { + color: inherit; +} +.date { + text-align: right; + font-style: italic; + float: right; +} +.inline { + display: inline; +} +.navigation { + text-align: center; +} +</style> diff --git a/fun/elblog/blog.el b/fun/elblog/blog.el new file mode 100644 index 000000000000..102aa3791481 --- /dev/null +++ b/fun/elblog/blog.el @@ -0,0 +1,123 @@ +;;; blog.el --- A simple org-mode & elnode blog software. +;;; -*- lexical-binding: t; -*- + +(require 'dash) +(require 'elnode) +(require 'f) +(require 'ht) + +;; Definition of customization options + +(defgroup elblog nil + "Configuration for the Emacs Lisp blog software" + :link '(url-link "https://github.com/tazjin/elblog")) + +(defcustom elblog-port 8010 + "Port to run elblog's HTTP server on" + :group 'elblog + :type 'integer) + +(defcustom elblog-host "localhost" + "Host for elblog's HTTP server to listen on" + :group 'elblog + :type 'string) + +(defcustom elblog-title "Elblog" + "Title text for this elblog instance" + :group 'elblog + :type 'string) + +(defcustom elblog-article-directory nil + "Directory in which elblog articles are stored" + :group 'elblog + :type 'string) + +(defcustom elblog-additional-routes '() + "Additional Elnode routes to register in the Elblog instance" + :group 'elblog + :type '(alist :key-type regexp :value-type function)) + +;; Declare user-configurable variables needed at runtime. + +(defvar elblog-articles (ht-create) + "A hash-table of blog articles. This is used for looking up articles from + URL fragments as well as for rendering the index.") + +;; HTML templating setup + +(defun template-preamble () + "Templates the preamble snippet with the correct blog title." + (format (f-read-text "preamble.html") elblog-title)) + +(defun configure-org-html-export () + "Configure org-mode settings for elblog's HTML templating to work correctly." + (setq org-html-postamble t) + (setq org-html-doctype "html5") + (setq org-html-head-include-scripts nil) + (setq org-html-style-default (f-read-text "blog.css")) + (setq org-html-preamble-format `(("en" ,(template-preamble)))) + (setq org-html-postamble-format `(("en" ,(f-read-text "postamble.html"))))) + +;; Article fetching & rendering functions + +(defun render-org-buffer (input-buffer &optional force) + "Renders an org-mode buffer as HTML and returns the name of the output buffer." + (letrec ((output-buffer (concat (buffer-name input-buffer) "-rendered")) + ;; Don't re-render articles unless forced. + (must-render (or force + (not (get-buffer output-buffer))))) + (if (and input-buffer must-render) + (with-current-buffer input-buffer + (org-export-to-buffer 'html output-buffer nil nil t))) + (if input-buffer output-buffer nil))) + +(defun get-buffer-string (buffer) + "Returns the contents of the specified buffer as a string." + (with-current-buffer (get-buffer buffer) + (buffer-string))) + +(defvar-local article-not-found + '(404 . "<html><body><p>Oh no, the article was not found.</p></body></html>")) + +(defvar-local text-html '("Content-Type" . "text/html")) + +(defun render-article (article) + "Renders an article, if it exists." + (letrec ((rendered (-some->> + (ht-get elblog-articles article) + (concat elblog-article-directory) + (find-file) + (render-org-buffer)))) + (if rendered `(200 . ,(get-buffer-string rendered)) + article-not-found))) + +(defun blog-post-handler (httpcon) + "This handler servers a blog post from the configured blog post directory." + (let ((response (render-article (elnode-http-mapping httpcon 1)))) + (elnode-http-start httpcon (car response) text-html) + (elnode-http-return httpcon (cdr response)))) + +;; Web server implementation + +(defvar elblog-routes + '(("^.*//\\(.*\\)" . blog-post-handler)) + "The default routes available in elblog. They can be extended by the user +by setting the elblog-additional-routes customize option.") + +(defun elblog-handler (httpcon) + (elnode-hostpath-dispatcher + httpcon + (-concat elblog-additional-routes elblog-routes))) + +(defun start-elblog () + (interactive) + (configure-org-html-export) + (elnode-start 'elblog-handler + :port elblog-port + :host elblog-host)) + +(defun stop-elblog () + (interactive) + (elnode-stop elblog-port)) + +(provide 'elblog) diff --git a/fun/elblog/postamble.html b/fun/elblog/postamble.html new file mode 100644 index 000000000000..16a26218a0c0 --- /dev/null +++ b/fun/elblog/postamble.html @@ -0,0 +1,9 @@ +<hr> +<footer><p class="footer">Served with <a class="uncoloured-link" href="https://github.com/tazjin/elblog">Emacs</a>.</p> + <p class="footer"> + <a class="uncoloured-link" href="https://twitter.com/tazjin">Twitter</a> + | + <a class="uncoloured-link" href="mailto:blog@tazj.in">Mail</a> + </p> + <p class="lod">เฒ _เฒ </p> +</footer> diff --git a/fun/elblog/preamble.html b/fun/elblog/preamble.html new file mode 100644 index 000000000000..be74b9207e72 --- /dev/null +++ b/fun/elblog/preamble.html @@ -0,0 +1,6 @@ +<header> + <h1> + <a class="unstyled-link" href="/">%s</a> + </h1> + <hr> +</header> diff --git a/fun/gemma/CODE_OF_CONDUCT.md b/fun/gemma/CODE_OF_CONDUCT.md new file mode 100644 index 000000000000..c4013ac13ebc --- /dev/null +++ b/fun/gemma/CODE_OF_CONDUCT.md @@ -0,0 +1,20 @@ +A SERMON ON ETHICS AND LOVE +=========================== + +One day Mal-2 asked the messenger spirit Saint Gulik to approach the Goddess and request Her presence for some desperate advice. Shortly afterwards the radio came on by itself, and an ethereal female Voice said **YES?** + +"O! Eris! Blessed Mother of Man! Queen of Chaos! Daughter of Discord! Concubine of Confusion! O! Exquisite Lady, I beseech You to lift a heavy burden from my heart!" + +**WHAT BOTHERS YOU, MAL? YOU DON'T SOUND WELL.** + +"I am filled with fear and tormented with terrible visions of pain. Everywhere people are hurting one another, the planet is rampant with injustices, whole societies plunder groups of their own people, mothers imprison sons, children perish while brothers war. O, woe." + +**WHAT IS THE MATTER WITH THAT, IF IT IS WHAT YOU WANT TO DO?** + +"But nobody Wants it! Everybody hates it." + +**OH. WELL, THEN *STOP*.** + +At which moment She turned herself into an aspirin commercial and left The Polyfather stranded alone with his species. + +SINISTER DEXTER HAS A BROKEN SPIROMETER. diff --git a/fun/gemma/LICENSE b/fun/gemma/LICENSE new file mode 100644 index 000000000000..94a9ed024d38 --- /dev/null +++ b/fun/gemma/LICENSE @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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But first, please read +<http://www.gnu.org/philosophy/why-not-lgpl.html>. diff --git a/fun/gemma/README.md b/fun/gemma/README.md new file mode 100644 index 000000000000..064742c0091f --- /dev/null +++ b/fun/gemma/README.md @@ -0,0 +1,96 @@ +# Gemma + +Gemma is a simple application to track *recurring* tasks, named after Gemma +Hartley who [wrote an article][] about task distribution issues in households. + +## Background + +(Skip this if you just want the technical bits) + +Gemma's article launched a discussion in my friend circle about what causes an +uneven distribution of household workload. I theorised that this is not so much +a gender issue, but mostly a discoverability issue. + +Usually one person in a household is aware of what needs to be done, but in many +cases the "overhead" of delegating the tasks would actually take more time than +simply doing the task. + +I theorise further that the person (or people) who do a smaller share of the +household work would often do the work if they had a convenient way to become +aware of what needs to be done. Many times the "household manager" has the +function of tracking non-obvious tasks like when bedsheets were last changed - +shouldn't it be possible to actually distribute this information somehow? + +## The Project + +This project is an initial attempt at sketching out a little application that +aids with reminding users of recurring tasks. Some basic ideas: + +* The system should be blame-free. +* There should be as little usage overhead as possible so that people actually + do use it. +* It should work mostly passively without much user interaction. + +I believe that the basic (*very* simple) idea behind Gemma solves these issues. +Unfortunately my living situation changed before I actually got to test this out +in a real-life situation involving multiple people, but feedback from other +potential test subjects would be welcome! :) + +## Overview + +Gemma is a Common Lisp application in which a list of recurring tasks is +declared, together with the *maximum interval* at which they should be completed +(in days). Example: + +```lisp +;; Bathroom tasks +(deftask bathroom/wipe-mirror 7) +(deftask bathroom/wipe-counter 7) + +;; Bedroom tasks +(deftask bedroom/change-sheets 7) +(deftask bedroom/vacuum 10) + +;; Kitchen tasks +(deftask kitchen/trash 3) +(deftask kitchen/wipe-counters 3) +(deftask kitchen/vacuum 5 "Kitchen has more crumbs and such!") + +;; Entire place +(deftask clean-windows 60) +``` + +These tasks are marked with their last completion time and tracked by Gemma. A +simple Elm-based frontend application displays the tasks sorted by their +"urgency" and features a button to mark a task as completed: + + + +Marking a task as completed resets its counter and moves it to the bottom of the +task list. + +In theory this *should be it*, the frontend is made available to household +members in some easily accessible place (e.g. an old phone glued to the fridge!) +and people should attempt to develop a habit of checking what needs to be done +occasionally. + +The "household manager" still exists as a role of the household because someone +is entering the tasks into the application, but if my theory about people not +actually being actively *unwilling* to do tasks is correct this could help a +lot. + +## Usage + +(*Note*: Gemma is alpha software so the below is clearly not the final goal) + +Right now using this is non-trivial, but I'll eventually make a better +distribution. Basically you need to know Common Lisp (in which case you'll know +how to get the backend running) and have `elm-reactor` installed to run the +development version of the frontend application. + +Gemma is configured via a configuration file that should be located either at +`/etc/gemma/config.lisp` or at a custom location specified via the environment +variable `GEMMA_CONFIG`. Have a look at the `config.lisp` file in the repository +root for an example. + +[wrote an article]: http://www.harpersbazaar.com/culture/features/a12063822/emotional-labor-gender-equality/ diff --git a/fun/gemma/config.lisp b/fun/gemma/config.lisp new file mode 100644 index 000000000000..54f8e5f34462 --- /dev/null +++ b/fun/gemma/config.lisp @@ -0,0 +1,21 @@ +;; Example configuration file for Gemma + +(config :port 4242 + :data-dir "/tmp/gemma/") + +(deftask bathroom/wipe-mirror 7) +(deftask bathroom/wipe-counter 7) + +;; Bedroom tasks +(deftask bedroom/change-sheets 7) +(deftask bedroom/vacuum 10) + +;; Kitchen tasks +(deftask kitchen/normal-trash 3) +(deftask kitchen/green-trash 5) +(deftask kitchen/blue-trash 5) +(deftask kitchen/wipe-counters 3) +(deftask kitchen/vacuum 5 "Kitchen has more crumbs and such!") + +;; Entire place +(deftask clean-windows 60) diff --git a/fun/gemma/default.nix b/fun/gemma/default.nix new file mode 100644 index 000000000000..55612106d2e0 --- /dev/null +++ b/fun/gemma/default.nix @@ -0,0 +1,50 @@ +{ depot, ... }: + +let + inherit (depot) elmPackages; + inherit (depot.third_party) cacert iana-etc libredirect stdenv runCommandNoCC writeText; + + frontend = stdenv.mkDerivation { + name = "gemma-frontend.html"; + src = ./frontend; + buildInputs = [ cacert iana-etc elmPackages.elm ]; + + # The individual Elm packages this requires are not packaged and I + # can't be bothered to do that now, so lets open the escape hatch: + outputHashAlgo = "sha256"; + outputHash = "000xhds5bsig3kbi7dhgbv9h7myacf34bqvw7avvz7m5mwnqlqg7"; + + phases = [ "unpackPhase" "buildPhase" ]; + buildPhase = '' + export NIX_REDIRECTS=/etc/protocols=${iana-etc}/etc/protocols \ + LD_PRELOAD=${libredirect}/lib/libredirect.so + + export SYSTEM_CERTIFICATE_PATH=${cacert}/etc/ssl/certs + + mkdir .home && export HOME="$PWD/.home" + elm-make --yes Main.elm --output $out + ''; + }; + + injectFrontend = writeText "gemma-frontend.lisp" '' + (in-package :gemma) + (setq *static-file-location* "${runCommandNoCC "frontend" {} '' + mkdir -p $out + cp ${frontend} $out/index.html + ''}/") + ''; +in depot.nix.buildLisp.program { + name = "gemma"; + + deps = with depot.third_party.lisp; [ + cl-json + cl-prevalence + hunchentoot + local-time + ]; + + srcs = [ + ./src/gemma.lisp + injectFrontend + ]; +} diff --git a/fun/gemma/frontend/Main.elm b/fun/gemma/frontend/Main.elm new file mode 100644 index 000000000000..e449908e499c --- /dev/null +++ b/fun/gemma/frontend/Main.elm @@ -0,0 +1,221 @@ +-- Copyright (C) 2016-2017 Vincent Ambo <mail@tazj.in> +-- +-- This file is part of Gemma. +-- +-- Gemma is free software: you can redistribute it and/or modify it +-- under the terms of the GNU General Public License as published by +-- the Free Software Foundation, either version 3 of the License, or +-- (at your option) any later version. + + +module Main exposing (..) + +import Html exposing (Html, text, div, span) +import Html.Attributes exposing (style) +import Json.Decode exposing (..) +import Http +import Time + + +-- Material design imports + +import Material +import Material.Card as Card +import Material.Color as Color +import Material.Grid exposing (grid, cell, size, Device(..)) +import Material.Layout as Layout +import Material.Scheme as Scheme +import Material.Options as Options +import Material.Elevation as Elevation +import Material.Button as Button + + +-- API interface to Gemma + + +type alias Task = + { name : String + , description : Maybe String + , remaining : Int + } + + +emptyStringFilter s = + if s == "" then + Nothing + else + Just s + + +decodeEmptyString : Decoder (Maybe String) +decodeEmptyString = + map emptyStringFilter string + + +decodeTask : Decoder Task +decodeTask = + map3 Task + (field "name" string) + (field "description" decodeEmptyString) + (field "remaining" int) + + +loadTasks : Cmd Msg +loadTasks = + let + request = + Http.get "/tasks" (list decodeTask) + in + Http.send NewTasks request + + +completeTask : Task -> Cmd Msg +completeTask task = + let + request = + Http.getString + (String.concat + [ "/complete?task=" + , task.name + ] + ) + in + Http.send (\_ -> LoadTasks) request + + + +-- Elm architecture implementation + + +type Msg + = None + | LoadTasks + | NewTasks (Result Http.Error (List Task)) + | Mdl (Material.Msg Msg) + | Complete Task + + +type alias Model = + { tasks : List Task + , error : Maybe String + , mdl : Material.Model + } + + +update : Msg -> Model -> ( Model, Cmd Msg ) +update msg model = + case msg of + LoadTasks -> + ( model, loadTasks ) + + Complete task -> + ( model, completeTask task ) + + NewTasks (Ok tasks) -> + ( { model | tasks = tasks, error = Nothing }, Cmd.none ) + + NewTasks (Err err) -> + ( { model | error = Just (toString err) }, Cmd.none ) + + _ -> + ( model, Cmd.none ) + + + +-- View implementation + + +white = + Color.text Color.white + + +taskColor : Task -> Color.Hue +taskColor task = + if task.remaining > 2 then + Color.Green + else if task.remaining < 0 then + Color.Red + else + Color.Yellow + + +within : Task -> String +within task = + if task.remaining < 0 then + "This task is overdue!" + else if task.remaining > 2 then + String.concat + [ "Relax, this task has " + , toString task.remaining + , " days left before it is due." + ] + else + String.concat + [ "This task should be completed within " + , toString task.remaining + , " days. Consider doing it now!" + ] + + +renderTask : Model -> Task -> Html Msg +renderTask model task = + Card.view + [ Color.background (Color.color (taskColor task) Color.S800) + , Elevation.e3 + ] + [ Card.title [] [ Card.head [ white ] [ text task.name ] ] + , Card.text [ white ] + [ text (Maybe.withDefault "" task.description) + , Html.br [] [] + , text (within task) + ] + , Card.actions + [ Card.border ] + [ Button.render Mdl + [ 0 ] + model.mdl + [ white, Button.ripple, Button.accent, Options.onClick (Complete task) ] + [ text "Completed" ] + ] + ] + + +gemmaView : Model -> Html Msg +gemmaView model = + grid [] + (List.map (\t -> cell [ size All 4 ] [ renderTask model t ]) + model.tasks + ) + + +view : Model -> Html Msg +view model = + gemmaView model |> Scheme.top + + + +-- subscriptions : Model -> Sub Msg + + +subscriptions model = + Sub.batch + [ Material.subscriptions Mdl model + , Time.every (15 * Time.second) (\_ -> LoadTasks) + ] + + +main : Program Never Model Msg +main = + let + model = + { tasks = [] + , error = Nothing + , mdl = Material.model + } + in + Html.program + { init = ( model, Cmd.batch [ loadTasks, Material.init Mdl ] ) + , view = view + , update = update + , subscriptions = subscriptions + } diff --git a/fun/gemma/frontend/elm-package.json b/fun/gemma/frontend/elm-package.json new file mode 100644 index 000000000000..2ae541ae0b95 --- /dev/null +++ b/fun/gemma/frontend/elm-package.json @@ -0,0 +1,17 @@ +{ + "version": "1.0.0", + "summary": "helpful summary of your project, less than 80 characters", + "repository": "https://github.com/user/project.git", + "license": "BSD3", + "source-directories": [ + "." + ], + "exposed-modules": [], + "dependencies": { + "elm-lang/core": "5.1.1 <= v < 6.0.0", + "elm-lang/html": "2.0.0 <= v < 3.0.0", + "elm-lang/http": "1.0.0 <= v < 2.0.0", + "debois/elm-mdl": "8.1.0 <= v < 9.0.0" + }, + "elm-version": "0.18.0 <= v < 0.19.0" +} diff --git a/fun/gemma/src/gemma.lisp b/fun/gemma/src/gemma.lisp new file mode 100644 index 000000000000..20a76caae629 --- /dev/null +++ b/fun/gemma/src/gemma.lisp @@ -0,0 +1,192 @@ +;; Copyright (C) 2016-2020 Vincent Ambo <mail@tazj.in> +;; +;; This file is part of Gemma. +;; +;; Gemma is free software: you can redistribute it and/or modify it +;; under the terms of the GNU General Public License as published by +;; the Free Software Foundation, either version 3 of the License, or +;; (at your option) any later version. + +(defpackage gemma + (:use :cl + :local-time + :cl-json) + (:import-from :sb-posix :getenv) + (:shadowing-import-from :sb-posix :getcwd) + (:export :start-gemma :config :main)) +(in-package :gemma) + +;; TODO: Store an average of how many days it was between task +;; completions. Some of the current numbers are just guesses +;; anyways. + +(defmacro in-case-of (x &body body) + "Evaluate BODY if X is non-nil, binding the value of X to IT." + `(let ((it ,x)) + (when it ,@body))) + +;; Set default configuration parameters +(defvar *gemma-port* 4242 + "Port on which the Gemma web server listens.") + +(defvar *gemma-acceptor* nil + "Hunchentoot acceptor for Gemma's web server.") + +(defvar *static-file-location* "frontend/" + "Folder from which to serve static assets. If built inside of Nix, + the path is injected during the build.") + +(defvar *p-tasks* nil + "All tasks registered in this Gemma instance.") + +(defun initialise-persistence (data-dir) + (setq *p-tasks* (cl-prevalence:make-prevalence-system data-dir)) + + ;; Initialise database ID counter + (or (> (length (cl-prevalence:find-all-objects *p-tasks* 'task)) 0) + (cl-prevalence:tx-create-id-counter *p-tasks*))) + +(defun config (&key port data-dir) + "Configuration function for use in the Gemma configuration file." + + (in-package :gemma) + (in-case-of port (defparameter *gemma-port* it)) + (initialise-persistence (or data-dir "data/"))) + +;; +;; Define task management system +;; + +(defclass task () + ((id :reader id + :initarg :id) + + ;; (Unique) name of the task + (name :type symbol + :initarg :name + :accessor name-of) + + ;; Maximum completion interval + (days :type integer + :initarg :days + :accessor days-of) + + ;; Optional description + (description :type string + :initarg :description + :accessor description-of) + + ;; Last completion time + (done-at :type timestamp + :initarg :done-at + :accessor last-done-at))) + +(defmacro deftask (task-name days &optional description) + (unless (get-task task-name) + `(progn (cl-prevalence:tx-create-object + *p-tasks* + 'task + (quote ((name ,task-name) + (days ,days) + (description ,(or description "")) + (done-at ,(now))))) + (cl-prevalence:snapshot *p-tasks*)))) + +(defun get-task (name) + (cl-prevalence:find-object-with-slot *p-tasks* 'task 'name name)) + +(defun list-tasks () + (cl-prevalence:find-all-objects *p-tasks* 'task)) + +(defun days-remaining (task) + "Returns the number of days remaining before the supplied TASK reaches its +maximum interval." + (let* ((expires-at (timestamp+ (last-done-at task) + (days-of task) :day)) + (secs-until-expiry (timestamp-difference expires-at (now)))) + (round (/ secs-until-expiry 60 60 24)))) + +(defun sort-tasks (tasks) + "Sorts TASKS in descending order by number of days remaining." + (sort (copy-list tasks) + (lambda (t1 t2) (< (days-remaining t1) + (days-remaining t2))))) + +(defun complete-task (name &optional at) + "Mark the task with NAME as completed, either now or AT specified time." + (cl-prevalence:tx-change-object-slots *p-tasks* 'task + (id (get-task name)) + `((done-at ,(or at (now))))) + (cl-prevalence:snapshot *p-tasks*)) + +;; +;; Define web API +;; + +(defun response-for (task) + "Create a response object to be JSON encoded for TASK." + `((:name . ,(name-of task)) + (:description . ,(description-of task)) + (:remaining . ,(days-remaining task)))) + +(defun start-gemma () + (in-package :gemma) + + ;; Load configuration + (load (pathname (or (getenv "GEMMA_CONFIG") + "/etc/gemma/config.lisp"))) + + ;; Set up web server + (setq *gemma-acceptor* (make-instance 'hunchentoot:easy-acceptor + :port *gemma-port* + :document-root *static-file-location*)) + (hunchentoot:start *gemma-acceptor*) + + ;; Task listing handler + (hunchentoot:define-easy-handler + (get-tasks :uri "/tasks") () + + (setf (hunchentoot:content-type*) "application/json") + (setf (hunchentoot:header-out "Access-Control-Allow-Origin") "*") + (encode-json-to-string + ;; Construct a frontend-friendly representation of the tasks. + (mapcar #'response-for (sort-tasks (list-tasks))))) + + ;; Task completion handler + (hunchentoot:define-easy-handler + (complete-task-handler :uri "/complete") (task) + (setf (hunchentoot:content-type*) "application/json") + (let* ((key (find-symbol (camel-case-to-lisp task) "GEMMA"))) + (format t "Marking task ~A as completed" key) + (complete-task key) + (encode-json-to-string (response-for (get-task key)))))) + +(defun main () + "This function serves as the entrypoint for ASDF-built executables. + It joins the Hunchentoot server thread to keep the process running + for as long as the server is alive." + + (start-gemma) + (sb-thread:join-thread + (find-if (lambda (th) + (string= (sb-thread:thread-name th) + (format nil "hunchentoot-listener-*:~A" *gemma-port*))) + (sb-thread:list-all-threads)))) + +;; Experimentation / testing stuff + +(defun randomise-completion-times () + "Set some random completion timestamps for all tasks" + (mapcar + (lambda (task) + (complete-task (name-of task) + (timestamp- (now) + (random 14) + :day))) + (cl-prevalence:find-all-objects *p-tasks* 'task))) + +(defun clear-all-tasks () + (mapcar (lambda (task) (cl-prevalence:tx-delete-object *p-tasks* 'task (id task))) + (cl-prevalence:find-all-objects *p-tasks* 'task))) + +;; (randomise-completion-times) diff --git a/fun/idual/README.md b/fun/idual/README.md new file mode 100644 index 000000000000..922047617f25 --- /dev/null +++ b/fun/idual/README.md @@ -0,0 +1,34 @@ +# iDual light control + +This folder contains some tooling for controlling iDual LED lights +(which use infrared controls) using a "Broadlink RM Pro" infrared +controller. + +The supported colour codes of the iDual remote are stored in +`codes.txt`. + +The point of this is to make it possible for me to automate my lights +in the morning, so that I can actually get out of bed. + +## Capturing codes + +Capturing codes is relatively easy, assuming that the broadlink device +is set up: + +```python +import broadlink +import base64 + +devices = broadlink.discover(timeout=5) +devices[0].auth() +``` + +For each code, the procedure is as follows: + +```python +devices[0].find_rf_packet() +# wait until this returns True + +devices[0].check_data() +# this will return the code +``` diff --git a/fun/idual/default.nix b/fun/idual/default.nix new file mode 100644 index 000000000000..1ac87ab47f0f --- /dev/null +++ b/fun/idual/default.nix @@ -0,0 +1,24 @@ +{ pkgs, lib, ... }: + +let + inherit (pkgs) python python3 python3Packages; + + opts = { + pname = "idualctl"; + version = "0.1"; + src = ./.; + + propagatedBuildInputs = [ + python.broadlink + ]; + }; + package = python3Packages.buildPythonPackage opts; + script = python3Packages.buildPythonApplication opts; +in { + inherit script; + python = python3.withPackages (_: [ package ]); + setAlarm = pkgs.writeShellScriptBin "set-alarm" '' + echo "setting an alarm for ''${1}" + ${pkgs.systemd}/bin/systemd-run --user --on-calendar="''${1} Europe/London" --unit=light-alarm.service + ''; +} diff --git a/fun/idual/idual/__init__.py b/fun/idual/idual/__init__.py new file mode 100644 index 000000000000..4c5519d0adc5 --- /dev/null +++ b/fun/idual/idual/__init__.py @@ -0,0 +1,65 @@ +import base64 +import broadlink +import time +import sys + +commands = { + # system commands + 'on' : 'JgBIAAABK5AVERQ2FBEUERQSFBEUERQSFBEUNhQ2FDUUNhQ2FDYUNRU1FBIUERQRFBIUERQRFBIUERQ2FDYUNRQ2FDYUNhQ1FQANBQ==', + 'off' : 'JgBIAAABLJAUERQ2FBEUEhQRFBEUEhQRFBEUNhQ2FDUVNRQ2FDYUNhQRFDYUERQSFBEUERQSFBEUNhQRFDYUNhQ2FDUUNhQ2FAANBQ==', + 'darker' : 'JgBIAAABLI8VERQ2FBEUERURFBEUEhQRFBEUNhQ2FDYUNRU1FDYUNhQRFBIUERQRFDYUEhQRFBEVNRQ2FDYUNhQRFDYUNhQ1FQANBQ==', + 'brighter' : 'JgBIAAABLI8VERQ2FBEUERQSFBEUEhQRFBEUNhQ2FDUVNRQ2FDYUNRU1FBIUERQ2FBEUEhQRFBEUEhQ1FTUUEhQ1FTUUNhQ2FAANBQ==', + + # presets + 'candle' : 'JgBQAAABKZISExI4EhMSFBITEhQRFBITEhQROBI4EjgSOBE4EjgSOBI4ERQSExIUEjgRFBITEhQSExI4EjgROBIUEjcSOBI4EgAFJgABKUkSAA0FAAAAAAAAAAA=', + 'bulb' : 'JgBYAAABK5AUERQ2FBEVERQRFBEVERQRFBEVNRQ2FDYUNRU1FDYUNhQRFDYUNRURFBEUEhQRFBEUNhQRFREUNhQ1FDYUNhQ2FAAFIwABKkgVAAxOAAErRxUADQU=', + 'sun' : 'JgBQAAABLI8VERQ2FBEUERURFBEUEhQRFBEUNhQ2FDYUNRU1FTUUNhQSFDUUEhQ2FBEUERURFBEUNhQSFDUUEhQ2FDUVNRQ2FAAFJQABK0cVAA0FAAAAAAAAAAA=', + 'cold' : 'JgBQAAABK5AUERQ2FBEUEhQRFBEUEhQRFBEUNhQ2FDYUNRQ2FDYUNhQ1FTUUEhQRFBEUEhQRFBIUERQRFDYUNhQ2FDYUNRQ2FAAFJAABK0cVAA0FAAAAAAAAAAA=', + 'eve_dark' : 'JgBQAAABK5AUERQ2FBEUEhQRFBEUEhQRFBEUNhQ2FDYUNRU1FDYUNhQRFDYUERQSFDUUEhQRFBIUNRQSFDUUNhQSFDUUNhQ2FAAFIwABLEYVAA0FAAAAAAAAAAA=', + 'eve_fade' : 'JgBIAAABK5AUERQ2FBEUEhQRFBEUEhQRFBEUNhQ2FDYUNRQ2FDYUNhQ1FDYUNhQRFDYUERQSFBEUEhQRFBEUNhQSEzYUNhQ2FAANBQ==', + 'reading' : 'JgBQAAABK5AUERQ2FBEUEhQRFBEUEhQRFBEUNhQ2FDUVNRQ2FDYUNhQ1FDYUEhQ1FBIUERQRFBIUERQSFDUUEhQ1FTUUNhQ2FAAFJAABK0YVAA0FAAAAAAAAAAA=', + 'yoga' : 'JgBYAAABLI8VERQ1FREUERQSFBEUERURFBEUNhQ1FTUUNhQ2FDYUNRURFBEUNhQRFBIUERMSExMTNxM2ExMTNxM2EzcTNxM3EwAFJQABKkgTAAxRAAErRxUADQU=', + 'morning' : 'JgBQAAABK5AUERQ2FBEUEhQRFBEUEhQRFBEUNhQ2FDUVNRQ2FDYUNRU1FDYUERURFDUVERQRFBIUERQRFTUUNhQRFDYUNhQ2FAAFIwABK0cVAA0FAAAAAAAAAAA=', + 'colours' : 'JgBQAAABLI8VERQ2FBEUERQSFBEUERURFBEUNhQ1FTUUNhQ2FDYUNRQSFBEUERQ2FDYUERQSFBEUNhQ1FTUUEhQRFDYUNRU1FAAFJAABKkcVAA0FAAAAAAAAAAA=', + 'random' : 'JgBQAAABK5AUEhQ1FREUERQSFBEUERQSExIUNhQ1EzcTNxM3EzYTNxMTEhMTNxM2ExMTEhMSExMTNxM2ExMTEhM3EzcTNhM3EwAFJQABK0cVAA0FAAAAAAAAAAA=', + 'island' : 'JgBQAAABK5AUERQ2FBEUEhQRFBEUEhQRFBEUNhQ2FDUVNRQ2FDYUNRU1FBIUNRURFBEUEhQRFBEUEhQ1FREUNhQ1FDYUNhQ2FAAFIwABK0cVAA0FAAAAAAAAAAA=', + 'forest' : 'JgBQAAABK5AUEhQ1FREUERQSFBEUERQSFBEUNhQ1FTUUNhQ2FDUVNRQSFBEUNhQRFDYUERQSFBEUNhQ2FBEUNhQRFDYUNhQ1FQAFIwABK0cVAA0FAAAAAAAAAAA=', + 'ocean' : 'JgBQAAABK5AUEhQ1FREUERQSFBEUERQRFREUNhQ1FTUUNhQ2FDUVNRQ2FBEUEhQ1FTUUEhQRFBEUEhQ1FTUUEhQRFDYUNRU1FAAFJAABK0cVAA0FAAAAAAAAAAA=', + 'fire' : 'JgBQAAABK5AUERQ2FBEUEhQRFBEUEhQRFBEUNhQ2FDUVNRQ2FDYUNRU1FBIUNRU1FBIUERQRFBIUERQ2FBEUEhQ1FTUUNhQ2FAAFIwABLEYVAA0FAAAAAAAAAAA=', + 'love' : 'JgBQAAABL5AUEhQ1FREUERQSFBEUERQSFBEUNhQ1FDYUNhQ2FDUVNRQSFDUUNhQSFBEUERQSFBEUNhQRFBIUNRQ2FDYUNhQ1FAAFJAABK0cVAA0FAAAAAAAAAAA=', + + # colour commands + 'red' : 'JgBIAAABK5AUERQ2FBEUEhQRFBEVERQRFBEUNhQ2FDYUNRU1FDYUNhQRFDYUNhQ1FREUERQSFBEUNhQRFBIUERQ2FDUVNRQ2FAANBQ==', + 'yellow' : 'JgBIAAABLI8UEhQ2FBEUERQSFBEUEhMSFBEUNhQ2FDUUNhQ2FDYUNRQ2FDYUNhQRFBIUERQRFBIUERQSExIUNhQ1FDYUNhQ2FAANBQ==', + 'green' : 'JgBIAAABK5AUEhQ1FREUERQSFBEUERQSFBEUNhQ1FDYUNhQ2FDUVNRQSFBEUERQ2FBIUERQRFBIUNRU1FDYUERQ2FDYUNhQ1FQANBQ==', + 'blue' : 'JgBIAAABK5AUERQ2FBEUEhQRFBITEhQRFBEUNhQ2FDYUNRQ2FDYUNhQ2ExIUNhQRFDYUERQSExIUERQ2FBEUNhQSEzYUNhQ2FAANBQ==', + 'saturate' : 'JgBIAAABK5AUERQ2FBEUEhQRFBIUERQRFBEUNhQ2FDYUNRU1FDYUNhQRFDYUERQ2FDYUERQSFBEUNhQRFDYUERQSFDUUNhQ2FAANBQ==', + 'desaturate' : 'JgBIAAABLI8VERQ2FBEUERQSFBEUERURFBEUNhQ1FTUUNhQ2FDYUNRQ2FDYUNhQ1FREUERQSFBEUERQSFBEUERQ2FDYUNhQ1FQANBQ==', +} + +def cmd(name): + return base64.b64decode(commands[name]) + +class LightController: + def __init__(self): + self.devices = broadlink.discover(timeout=10, max_devices=2) + if self.devices == []: + raise Exception('no devices found') + for device in self.devices: + device.auth() + + def send_cmd(self, name, iterations=5): + "Send a command, repeatedly for reliability" + packet = cmd(name) + for i in range(iterations): + for device in self.devices: + device.send_data(packet) + + def wakey(self): + "Turn on the lights in the morning, try repeatedly for reasons." + print('Turning on the lights. Wakey, wakey!') + for i in range(5): + self.send_cmd('sun') + time.sleep(0.3) + self.send_cmd('on') + time.sleep(0.3) diff --git a/fun/idual/idualctl b/fun/idual/idualctl new file mode 100644 index 000000000000..10a85eba0af0 --- /dev/null +++ b/fun/idual/idualctl @@ -0,0 +1,39 @@ +#!/usr/bin/env python + +import idual +import sys + +def help(): + print('Available commands:') + for cmd in idual.commands: + print('- ' + cmd) + sys.exit(0) + +def handle(ctrl, cmd): + if cmd == 'help': + help() + elif cmd == 'wakey': + ctrl.wakey() + sys.exit(0) + elif cmd == 'on': + print('Turning on the lights') + ctrl.send_cmd(cmd) + elif cmd == 'off': + print('Turning off the lights') + ctrl.send_cmd(cmd) + elif cmd in idual.commands: + print('Sending ' + cmd + '-command') + ctrl.send_cmd(cmd) + else: + print('unknown command \'' + cmd + '\'') + sys.exit(1) + +if __name__ == "__main__": + if len(sys.argv) == 1: + help() + + print('Initialising light controller') + ctrl = idual.LightController() + + for cmd in sys.argv[1:]: + handle(ctrl, cmd) diff --git a/fun/idual/setup.py b/fun/idual/setup.py new file mode 100644 index 000000000000..f10c3b86f24e --- /dev/null +++ b/fun/idual/setup.py @@ -0,0 +1,15 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- +from setuptools import setup + +setup( + name='idualctl', + version='0.1', + author='Vincent Ambo', + author_email='mail@tazj.in', + url='https://git.tazj.in/about/fun/idual', + packages=['idual'], + scripts = ['idualctl'], + install_requires=['broadlink>=0.13.2'], + include_package_data=True, +) diff --git a/fun/logo/depot-logo.png b/fun/logo/depot-logo.png new file mode 100644 index 000000000000..5d4d0b5c047c --- /dev/null +++ b/fun/logo/depot-logo.png Binary files differdiff --git a/fun/logo/depot-logo.xcf b/fun/logo/depot-logo.xcf new file mode 100644 index 000000000000..3bf6a6713182 --- /dev/null +++ b/fun/logo/depot-logo.xcf Binary files differdiff --git a/fun/quinistry/.gitignore b/fun/quinistry/.gitignore new file mode 100644 index 000000000000..622119552e47 --- /dev/null +++ b/fun/quinistry/.gitignore @@ -0,0 +1,2 @@ +.idea/ +quinistry \ No newline at end of file diff --git a/fun/quinistry/README.md b/fun/quinistry/README.md new file mode 100644 index 000000000000..de197a219ebf --- /dev/null +++ b/fun/quinistry/README.md @@ -0,0 +1,63 @@ +Quinistry +========= + +*A simple Docker registry quine.* + +## What? + +This is an example project for a from-scratch implementation of an HTTP server compatible with the [Docker Registry V2][] +protocol. + +It serves a single image called `quinistry:latest` which is a Docker image that runs quinistry itself, therefore it is a +sort of Docker registry [quine][]. + +The official documentation does not contain enough information to actually implement this protocol (which I assume is +intentional), but a bit of trial&error lead there anyways. I've added comments to parts of the code to clear up things +that may be helpful to other developers in the future. + +## Example + +``` +# Run quinistry: +vincent@urdhva ~/go/src/github.com/tazjin/quinistry (git)-[master] % ./quinistry +2017/03/16 14:11:56 Starting quinistry + +# Pull the quinistry image from itself: +vincent@urdhva ~ % docker pull localhost:8080/quinistry +Using default tag: latest +latest: Pulling from quinistry +7bf1a8b18466: Already exists +Digest: sha256:d5cd4490901ef04b4e28e4ccc03a1d25fe3461200cf4d7166aab86fcd495e22e +Status: Downloaded newer image for localhost:8080/quinistry:latest + +# Quinistry will log: +2017/03/16 14:14:03 Acknowleding V2 API: GET /v2/ +2017/03/16 14:14:03 Serving manifest: GET /v2/quinistry/manifests/latest +2017/03/16 14:14:03 Serving config: GET /v2/quinistry/blobs/sha256:fbb165c48849de16017aa398aa9bb08fd1c00eaa7c150b6c2af37312913db279 + +# Run the downloaded image: +vincent@urdhva ~ % docker run -p 8090:8080 localhost:8080/quinistry +2017/03/16 13:15:18 Starting quinistry + +# And download it again from itself: +vincent@urdhva ~ % docker pull localhost:8090/quinistry +Using default tag: latest +latest: Pulling from quinistry +7bf1a8b18466: Already exists +Digest: sha256:11141d95ddce0bac9ffa32ab1e8bc94748ed923e87762c68858dc41d11a46d3f +Status: Downloaded newer image for localhost:8090/quinistry:latest +``` + +## Building + +Quinistry creates a Docker image that only contains a statically linked `main` binary. As this package makes use of +`net/http`, Go will (by default) link against `libc` for DNS resolution and create a dynamic binary instead. + +To disable this, `build` the project with `-tags netgo`: + +``` +go build -tags netgo +``` + +[Docker Registry V2]: https://docs.docker.com/registry/spec/api/ +[quine]: https://en.wikipedia.org/wiki/Quine_(computing) \ No newline at end of file diff --git a/fun/quinistry/const.go b/fun/quinistry/const.go new file mode 100644 index 000000000000..173fa9efc390 --- /dev/null +++ b/fun/quinistry/const.go @@ -0,0 +1,12 @@ +package main + +// HTTP content types + +const ImageConfigMediaType string = "application/vnd.docker.container.image.v1+json" +const ManifestMediaType string = "application/vnd.docker.distribution.manifest.v2+json" +const LayerMediaType string = "application/vnd.docker.image.rootfs.diff.tar.gzip" + +// HTTP header names + +const ContentType string = "Content-Type" +const DigestHeader string = "Docker-Content-Digest" diff --git a/fun/quinistry/default.nix b/fun/quinistry/default.nix new file mode 100644 index 000000000000..b12c5e6f0c29 --- /dev/null +++ b/fun/quinistry/default.nix @@ -0,0 +1,11 @@ +{ depot, ... }: + +depot.nix.buildGo.program { + name = "quinistry"; + srcs = [ + ./const.go + ./image.go + ./main.go + ./types.go + ]; +} diff --git a/fun/quinistry/image.go b/fun/quinistry/image.go new file mode 100644 index 000000000000..3daeac34d6bb --- /dev/null +++ b/fun/quinistry/image.go @@ -0,0 +1,150 @@ +// The code in this file creates a Docker image layer containing the binary of the +// application itself. + +package main + +import ( + "archive/tar" + "bytes" + "compress/gzip" + "crypto/sha256" + "encoding/json" + "fmt" + "io/ioutil" + "log" + "os" + "time" +) + +// This function creates a Docker-image digest (i.e. SHA256 hash with +// algorithm-specification prefix) +func Digest(b []byte) string { + hash := sha256.New() + hash.Write(b) + + return fmt.Sprintf("sha256:%x", hash.Sum(nil)) +} + +func GetImageOfCurrentExecutable() Image { + binary := getCurrentBinary() + tarArchive := createTarArchive(&map[string][]byte{ + "/main": binary, + }) + + configJson, configElem := createConfig([]string{Digest(tarArchive)}) + compressed := gzipArchive("Quinistry image", tarArchive) + manifest := createManifest(&configElem, &compressed) + manifestJson, _ := json.Marshal(manifest) + + return Image{ + Layer: compressed, + LayerDigest: Digest(compressed), + Manifest: manifestJson, + ManifestDigest: Digest(manifestJson), + Config: configJson, + ConfigDigest: Digest(configJson), + } + +} + +func getCurrentBinary() []byte { + path, _ := os.Executable() + file, _ := ioutil.ReadFile(path) + return file +} + +func createTarArchive(files *map[string][]byte) []byte { + buf := new(bytes.Buffer) + w := tar.NewWriter(buf) + + for name, file := range *files { + hdr := &tar.Header{ + Name: name, + // Everything is executable \o/ + Mode: 0755, + Size: int64(len(file)), + } + w.WriteHeader(hdr) + w.Write(file) + } + + if err := w.Close(); err != nil { + log.Fatalln(err) + os.Exit(1) + } + + return buf.Bytes() +} + +func gzipArchive(name string, archive []byte) []byte { + buf := new(bytes.Buffer) + w := gzip.NewWriter(buf) + w.Name = name + w.Write(archive) + + if err := w.Close(); err != nil { + log.Fatalln(err) + os.Exit(1) + } + + return buf.Bytes() +} + +func createConfig(layerDigests []string) (configJson []byte, elem Element) { + now := time.Now() + + imageConfig := &ImageConfig{ + Cmd: []string{"/main"}, + Env: []string{"PATH=/"}, + } + + rootFs := RootFs{ + DiffIds: layerDigests, + Type: "layers", + } + + history := []History{ + { + Created: now, + CreatedBy: "Quinistry magic", + }, + } + + config := Config{ + Created: now, + Author: "tazjin", + Architecture: "amd64", + Os: "linux", + Config: imageConfig, + RootFs: rootFs, + History: history, + } + + configJson, _ = json.Marshal(config) + + elem = Element{ + MediaType: ImageConfigMediaType, + Size: len(configJson), + Digest: Digest(configJson), + } + + return +} + +func createManifest(config *Element, layer *[]byte) Manifest { + layers := []Element{ + { + MediaType: LayerMediaType, + Size: len(*layer), + // Layers must contain the digest of the *gzipped* layer. + Digest: Digest(*layer), + }, + } + + return Manifest{ + SchemaVersion: 2, + MediaType: ManifestMediaType, + Config: *config, + Layers: layers, + } +} diff --git a/fun/quinistry/k8s/child.yaml b/fun/quinistry/k8s/child.yaml new file mode 100644 index 000000000000..aa2e318262cd --- /dev/null +++ b/fun/quinistry/k8s/child.yaml @@ -0,0 +1,27 @@ +# This is a child quinistry, running via an image served off the parent. +--- +apiVersion: extensions/v1beta1 +kind: DaemonSet +metadata: + name: quinistry-gen2 + labels: + k8s-app: quinistry + quinistry/role: child + quinistry/generation: '2' +spec: + template: + metadata: + labels: + k8s-app: quinistry + quinistry/role: child + quinistry/generation: '2' + spec: + containers: + - name: quinistry + # Bootstrap via Docker Hub (or any other registry) + image: localhost:5000/quinistry + ports: + - name: registry + containerPort: 8080 + # Incremented hostPort, + hostPort: 5001 diff --git a/fun/quinistry/k8s/parent.yaml b/fun/quinistry/k8s/parent.yaml new file mode 100644 index 000000000000..0db2fe300e1e --- /dev/null +++ b/fun/quinistry/k8s/parent.yaml @@ -0,0 +1,27 @@ +# This is a bootstrapped Quinistry DaemonSet. The initial image +# comes from Docker Hub +--- +apiVersion: extensions/v1beta1 +kind: DaemonSet +metadata: + name: quinistry + labels: + k8s-app: quinistry + quinistry/role: parent + quinistry/generation: '1' +spec: + template: + metadata: + labels: + k8s-app: quinistry + quinistry/role: parent + quinistry/generation: '1' + spec: + containers: + - name: quinistry + # Bootstrap via Docker Hub (or any other registry) + image: tazjin/quinistry + ports: + - name: registry + containerPort: 8080 + hostPort: 5000 diff --git a/fun/quinistry/main.go b/fun/quinistry/main.go new file mode 100644 index 000000000000..50b47418d1a8 --- /dev/null +++ b/fun/quinistry/main.go @@ -0,0 +1,57 @@ +package main + +import ( + "fmt" + "log" + "net/http" +) + +func main() { + log.Println("Starting quinistry") + + image := GetImageOfCurrentExecutable() + + layerUri := fmt.Sprintf("/v2/quinistry/blobs/%s", image.LayerDigest) + configUri := fmt.Sprintf("/v2/quinistry/blobs/%s", image.ConfigDigest) + + log.Fatal(http.ListenAndServe(":8080", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + // Acknowledge that we speak V2 + if r.RequestURI == "/v2/" { + logRequest("Acknowleding V2 API", r) + fmt.Fprintln(w) + return + } + + // Serve manifest + if r.RequestURI == "/v2/quinistry/manifests/latest" { + logRequest("Serving manifest", r) + w.Header().Set(ContentType, ManifestMediaType) + w.Header().Add(DigestHeader, image.ManifestDigest) + w.Write(image.Manifest) + return + } + + // Serve actual image layer + if r.RequestURI == layerUri { + logRequest("Serving image layer blob", r) + w.Header().Add(DigestHeader, image.LayerDigest) + w.Write(image.Layer) + return + } + + // Serve image config + if r.RequestURI == configUri { + logRequest("Serving config", r) + w.Header().Set("Content-Type", ImageConfigMediaType) + w.Header().Set(DigestHeader, image.ConfigDigest) + w.Write(image.Config) + return + } + + log.Printf("Unhandled request: %v\n", *r) + }))) +} + +func logRequest(msg string, r *http.Request) { + log.Printf("%s: %s %s\n", msg, r.Method, r.RequestURI) +} diff --git a/fun/quinistry/types.go b/fun/quinistry/types.go new file mode 100644 index 000000000000..498cbac2f2ab --- /dev/null +++ b/fun/quinistry/types.go @@ -0,0 +1,79 @@ +package main + +import "time" + +// This type represents the rootfs-key of the Docker image config. +// It specifies the digest (i.e. usually SHA256 hash) of the tar'ed, but NOT +// compressed image layers. +type RootFs struct { + // The digests of the non-compressed FS layers. + DiffIds []string `json:"diff_ids"` + + // Type should always be set to "layers" + Type string `json:"type"` +} + +// This type represents an entry in the Docker image config's history key. +// Every history element "belongs" to a filesystem layer. +type History struct { + Created time.Time `json:"created"` + CreatedBy string `json:"created_by"` +} + +// This type represents runtime-configuration for the Docker image. +// A lot of possible keys are omitted here, see: +// https://github.com/docker/docker/blob/master/image/spec/v1.2.md#image-json-description +type ImageConfig struct { + Cmd []string + Env []string +} + +// This type represents the Docker image configuration +type Config struct { + Created time.Time `json:"created"` + Author string `json:"author"` + + // Architecture should be "amd64" + Architecture string `json:"architecture"` + + // OS should be "linux" + Os string `json:"os"` + + // Configuration can be set to 'nil', in which case all options have to be + // supplied at container launch time. + Config *ImageConfig `json:"config"` + + // Filesystem layers and history elements have to be in the same order. + RootFs RootFs `json:"rootfs"` + History []History `json:"history"` +} + +// This type represents any manifest +type Element struct { + MediaType string `json:"mediaType"` + Size int `json:"size"` + Digest string `json:"digest"` +} + +// This type represents a Docker image manifest as used by the registry +// protocol V2. +type Manifest struct { + SchemaVersion int `json:"schemaVersion"` // Must be 2 + MediaType string `json:"mediaType"` // Use ManifestMediaType const + Config Element `json:"config"` + Layers []Element `json:"layers"` +} + +// A really "dumb" representation of an image, with its data blob and related +// metadata. +// Note: This is not a registry API type. +type Image struct { + Layer []byte + LayerDigest string + + Manifest []byte + ManifestDigest string + + Config []byte + ConfigDigest string +} diff --git a/fun/streamTVL/default.nix b/fun/streamTVL/default.nix new file mode 100644 index 000000000000..da7c00ce4be5 --- /dev/null +++ b/fun/streamTVL/default.nix @@ -0,0 +1,19 @@ +{ depot, ... }: + +depot.third_party.writeShellScriptBin "start-tvl-stream" '' + env LD_LIBRARY_PATH=/run/opengl-driver/lib/ ${depot.third_party.ffmpeg}/bin/ffmpeg \ + -vsync 0 \ + -hwaccel cuvid \ + -init_hw_device cuda=0 -filter_hw_device 0 \ + -f x11grab \ + -video_size 1920x1080 \ + -framerate 60 \ + -thread_queue_size 256 \ + -i :0.0+0,0 \ + -filter:v "format=nv12,hwupload,scale_npp=w=1280:h=720:interp_algo=lanczos" \ + -c:v h264_nvenc \ + -preset:v llhq \ + -rc:v cbr_ld_hq \ + -an \ + -f flv rtmp://tazj.in:1935/tvl +'' diff --git a/fun/wallpapers/bio_thehost_1920.webp b/fun/wallpapers/bio_thehost_1920.webp new file mode 100644 index 000000000000..1b904c06fadf --- /dev/null +++ b/fun/wallpapers/bio_thehost_1920.webp Binary files differdiff --git a/fun/wallpapers/busride2_1920.webp b/fun/wallpapers/busride2_1920.webp new file mode 100644 index 000000000000..ad6ec446f661 --- /dev/null +++ b/fun/wallpapers/busride2_1920.webp Binary files differdiff --git a/fun/wallpapers/by_belltowers_2880.webp b/fun/wallpapers/by_belltowers_2880.webp new file mode 100644 index 000000000000..f7477f168914 --- /dev/null +++ b/fun/wallpapers/by_belltowers_2880.webp Binary files differdiff --git a/fun/wallpapers/by_crossing_2560.webp b/fun/wallpapers/by_crossing_2560.webp new file mode 100644 index 000000000000..efa263790b45 --- /dev/null +++ b/fun/wallpapers/by_crossing_2560.webp Binary files differdiff --git a/fun/wallpapers/by_gathering3_2880.webp b/fun/wallpapers/by_gathering3_2880.webp new file mode 100644 index 000000000000..e6b83bdcd430 --- /dev/null +++ b/fun/wallpapers/by_gathering3_2880.webp Binary files differdiff --git a/fun/wallpapers/by_mainservers1_1920.webp b/fun/wallpapers/by_mainservers1_1920.webp new file mode 100644 index 000000000000..f88d237e2b91 --- /dev/null +++ b/fun/wallpapers/by_mainservers1_1920.webp Binary files differdiff --git a/fun/wallpapers/by_warmachines1_2560.webp b/fun/wallpapers/by_warmachines1_2560.webp new file mode 100644 index 000000000000..848bf62bd7ed --- /dev/null +++ b/fun/wallpapers/by_warmachines1_2560.webp Binary files differdiff --git a/fun/wallpapers/by_warmachines3_1920.webp b/fun/wallpapers/by_warmachines3_1920.webp new file mode 100644 index 000000000000..6002ad695a1e --- /dev/null +++ b/fun/wallpapers/by_warmachines3_1920.webp Binary files differdiff --git a/fun/wallpapers/clever-man_2880.webp b/fun/wallpapers/clever-man_2880.webp new file mode 100644 index 000000000000..eb4d3f1bfa33 --- /dev/null +++ b/fun/wallpapers/clever-man_2880.webp Binary files differdiff --git a/fun/wallpapers/december1994_1920.webp b/fun/wallpapers/december1994_1920.webp new file mode 100644 index 000000000000..d2c4da80187c --- /dev/null +++ b/fun/wallpapers/december1994_1920.webp Binary files differdiff --git a/fun/wallpapers/flyby_1920.webp b/fun/wallpapers/flyby_1920.webp new file mode 100644 index 000000000000..8df5b1132e74 --- /dev/null +++ b/fun/wallpapers/flyby_1920.webp Binary files differdiff --git a/fun/wallpapers/gaussfraktarna_1920_badge.webp b/fun/wallpapers/gaussfraktarna_1920_badge.webp new file mode 100644 index 000000000000..3274a3a2d21d --- /dev/null +++ b/fun/wallpapers/gaussfraktarna_1920_badge.webp Binary files differdiff --git a/fun/wallpapers/kraftahq_1920.webp b/fun/wallpapers/kraftahq_1920.webp new file mode 100644 index 000000000000..62a6debf476f --- /dev/null +++ b/fun/wallpapers/kraftahq_1920.webp Binary files differdiff --git a/fun/wallpapers/peripheral2_1920.webp b/fun/wallpapers/peripheral2_1920.webp new file mode 100644 index 000000000000..e454072ac42a --- /dev/null +++ b/fun/wallpapers/peripheral2_1920.webp Binary files differdiff --git a/fun/wallpapers/ship14_1920.webp b/fun/wallpapers/ship14_1920.webp new file mode 100644 index 000000000000..502f5dac903e --- /dev/null +++ b/fun/wallpapers/ship14_1920.webp Binary files differdiff --git a/fun/wallpapers/shipyard_1920.webp b/fun/wallpapers/shipyard_1920.webp new file mode 100644 index 000000000000..3d4115305d10 --- /dev/null +++ b/fun/wallpapers/shipyard_1920.webp Binary files differdiff --git a/fun/wallpapers/specky_1920.webp b/fun/wallpapers/specky_1920.webp new file mode 100644 index 000000000000..b8246618bebc --- /dev/null +++ b/fun/wallpapers/specky_1920.webp Binary files differdiff --git a/fun/wallpapers/summerlove2_1920.webp b/fun/wallpapers/summerlove2_1920.webp new file mode 100644 index 000000000000..d64a1cb867ec --- /dev/null +++ b/fun/wallpapers/summerlove2_1920.webp Binary files differdiff --git a/fun/wallpapers/t50_1920_badge.webp b/fun/wallpapers/t50_1920_badge.webp new file mode 100644 index 000000000000..f8cb6107f30c --- /dev/null +++ b/fun/wallpapers/t50_1920_badge.webp Binary files differdiff --git a/fun/wallpapers/theflood1_1920.webp b/fun/wallpapers/theflood1_1920.webp new file mode 100644 index 000000000000..335efb057172 --- /dev/null +++ b/fun/wallpapers/theflood1_1920.webp Binary files differdiff --git a/fun/wallpapers/thelan_1920.webp b/fun/wallpapers/thelan_1920.webp new file mode 100644 index 000000000000..55e6c22ad212 --- /dev/null +++ b/fun/wallpapers/thelan_1920.webp Binary files differdiff --git a/fun/wallpapers/vadrare_1920_badge.webp b/fun/wallpapers/vadrare_1920_badge.webp new file mode 100644 index 000000000000..887c891da36c --- /dev/null +++ b/fun/wallpapers/vadrare_1920_badge.webp Binary files differdiff --git a/fun/watchblob/README.md b/fun/watchblob/README.md new file mode 100644 index 000000000000..712c96cd95d4 --- /dev/null +++ b/fun/watchblob/README.md @@ -0,0 +1,35 @@ +Watchblob - WatchGuard VPN on Linux +=================================== + +This tiny helper tool makes it possible to use WatchGuard / Firebox / <<whatever +they are actually called>> VPNs that use multi-factor authentication on Linux. + +Rather than using OpenVPN's built-in dynamic challenge/response protocol, WatchGuard +has opted for a separate implementation negotiating credentials outside of the +OpenVPN protocol, which makes it impossible to start those connections solely by +using the `openvpn` CLI and configuration files. + +What this application does has been reverse-engineered from the "WatchGuard Mobile VPN +with SSL" application on OS X. + +I've published a [blog post](https://www.tazj.in/en/1486830338) describing the process +and what is actually going on in this protocol. + +## Installation + +Make sure you have Go installed and `GOPATH` configured, then simply +`go get github.com/tazjin/watchblob/...`. + +## Usage + +Right now the usage is very simple. Make sure you have the correct OpenVPN client +config ready (this is normally supplied by the WatchGuard UI) simply run: + +``` +watchblob vpnserver.somedomain.org username p4ssw0rd +``` + +The server responds with a challenge which is displayed to the user, wait until you +receive the SMS code or whatever and enter it. `watchblob` then completes the +credential negotiation and you may proceed to log in with OpenVPN using your username +and *the OTP token* (**not** your password) as credentials. diff --git a/fun/watchblob/default.nix b/fun/watchblob/default.nix new file mode 100644 index 000000000000..dc32e4d1cefb --- /dev/null +++ b/fun/watchblob/default.nix @@ -0,0 +1,13 @@ +{ depot, ... }: + +depot.nix.buildGo.program { + name = "watchblob"; + srcs = [ + ./main.go + ./urls.go + ]; + + deps = with depot.third_party; [ + gopkgs."golang.org".x.crypto.ssh.terminal.gopkg + ]; +} diff --git a/fun/watchblob/main.go b/fun/watchblob/main.go new file mode 100644 index 000000000000..a7ab65d3d196 --- /dev/null +++ b/fun/watchblob/main.go @@ -0,0 +1,108 @@ +package main + +import ( + "bufio" + "encoding/xml" + "fmt" + "golang.org/x/crypto/ssh/terminal" + "net/http" + "os" + "strings" + "syscall" +) + +// The XML response returned by the WatchGuard server +type Resp struct { + Action string `xml:"action"` + LogonStatus int `xml:"logon_status"` + LogonId int `xml:"logon_id"` + Error string `xml:"errStr"` + Challenge string `xml:"chaStr"` +} + +func main() { + args := os.Args[1:] + + if len(args) != 1 { + fmt.Fprintln(os.Stderr, "Usage: watchblob <vpn-host>") + os.Exit(1) + } + + host := args[0] + + username, password, err := readCredentials() + if err != nil { + fmt.Fprintf(os.Stderr, "Could not read credentials: %v\n", err) + } + + fmt.Printf("Requesting challenge from %s as user %s\n", host, username) + challenge, err := triggerChallengeResponse(&host, &username, &password) + + if err != nil || challenge.LogonStatus != 4 { + fmt.Fprintln(os.Stderr, "Did not receive challenge from server") + fmt.Fprintf(os.Stderr, "Response: %v\nError: %v\n", challenge, err) + os.Exit(1) + } + + token := getToken(&challenge) + err = logon(&host, &challenge, &token) + + if err != nil { + fmt.Fprintf(os.Stderr, "Logon failed: %v\n", err) + os.Exit(1) + } + + fmt.Printf("Login succeeded, you may now (quickly) authenticate OpenVPN with %s as your password\n", token) +} + +func readCredentials() (string, string, error) { + fmt.Printf("Username: ") + reader := bufio.NewReader(os.Stdin) + username, err := reader.ReadString('\n') + + fmt.Printf("Password: ") + password, err := terminal.ReadPassword(syscall.Stdin) + fmt.Println() + + // If an error occured, I don't care about which one it is. + return strings.TrimSpace(username), strings.TrimSpace(string(password)), err +} + +func triggerChallengeResponse(host *string, username *string, password *string) (r Resp, err error) { + return request(templateUrl(host, templateChallengeTriggerUri(username, password))) +} + +func getToken(challenge *Resp) string { + fmt.Println(challenge.Challenge) + + reader := bufio.NewReader(os.Stdin) + token, _ := reader.ReadString('\n') + + return strings.TrimSpace(token) +} + +func logon(host *string, challenge *Resp, token *string) (err error) { + resp, err := request(templateUrl(host, templateResponseUri(challenge.LogonId, token))) + if err != nil { + return + } + + if resp.LogonStatus != 1 { + err = fmt.Errorf("Challenge/response authentication failed: %v", resp) + } + + return +} + +func request(url string) (r Resp, err error) { + resp, err := http.Get(url) + if err != nil { + return + } + + defer resp.Body.Close() + decoder := xml.NewDecoder(resp.Body) + + err = decoder.Decode(&r) + return +} diff --git a/fun/watchblob/main_test.go b/fun/watchblob/main_test.go new file mode 100644 index 000000000000..1af52d0cd4eb --- /dev/null +++ b/fun/watchblob/main_test.go @@ -0,0 +1,96 @@ +package main + +import ( + "encoding/xml" + "reflect" + "testing" +) + +func TestUnmarshalChallengeRespones(t *testing.T) { + var testXml string = ` +<?xml version="1.0" encoding="UTF-8"?> +<resp> + <action>sslvpn_logon</action> + <logon_status>4</logon_status> + <auth-domain-list> + <auth-domain> + <name>RADIUS</name> + </auth-domain> + </auth-domain-list> + <logon_id>441</logon_id> + <chaStr>Enter Your 6 Digit Passcode </chaStr> +</resp>` + + var r Resp + xml.Unmarshal([]byte(testXml), &r) + + expected := Resp{ + Action: "sslvpn_logon", + LogonStatus: 4, + LogonId: 441, + Challenge: "Enter Your 6 Digit Passcode ", + } + + assertEqual(t, expected, r) +} + +func TestUnmarshalLoginError(t *testing.T) { + var testXml string = ` +<?xml version="1.0" encoding="UTF-8"?> +<resp> + <action>sslvpn_logon</action> + <logon_status>2</logon_status> + <auth-domain-list> + <auth-domain> + <name>RADIUS</name> + </auth-domain> + </auth-domain-list> + <errStr>501</errStr> +</resp>` + + var r Resp + xml.Unmarshal([]byte(testXml), &r) + + expected := Resp{ + Action: "sslvpn_logon", + LogonStatus: 2, + Error: "501", + } + + assertEqual(t, expected, r) +} + +func TestUnmarshalLoginSuccess(t *testing.T) { + var testXml string = ` +<?xml version="1.0" encoding="UTF-8"?> +<resp> + <action>sslvpn_logon</action> + <logon_status>1</logon_status> + <auth-domain-list> + <auth-domain> + <name>RADIUS</name> + </auth-domain> + </auth-domain-list> +</resp> +` + var r Resp + xml.Unmarshal([]byte(testXml), &r) + + expected := Resp{ + Action: "sslvpn_logon", + LogonStatus: 1, + } + + assertEqual(t, expected, r) +} + +func assertEqual(t *testing.T, expected interface{}, result interface{}) { + if !reflect.DeepEqual(expected, result) { + t.Errorf( + "Unmarshaled values did not match.\nExpected: %v\nResult: %v\n", + expected, result, + ) + + t.Fail() + } +} diff --git a/fun/watchblob/urls.go b/fun/watchblob/urls.go new file mode 100644 index 000000000000..37f65e0faef4 --- /dev/null +++ b/fun/watchblob/urls.go @@ -0,0 +1,37 @@ +package main + +import ( + "fmt" + "net/url" + "strconv" +) + +const urlFormat string = "https://%s%s" +const uriFormat = "/?%s" + +func templateChallengeTriggerUri(username *string, password *string) string { + v := url.Values{} + v.Set("action", "sslvpn_logon") + v.Set("style", "fw_logon_progress.xsl") + v.Set("fw_logon_type", "logon") + v.Set("fw_domain", "Firebox-DB") + v.Set("fw_username", *username) + v.Set("fw_password", *password) + + return fmt.Sprintf(uriFormat, v.Encode()) +} + +func templateResponseUri(logonId int, token *string) string { + v := url.Values{} + v.Set("action", "sslvpn_logon") + v.Set("style", "fw_logon_progress.xsl") + v.Set("fw_logon_type", "response") + v.Set("response", *token) + v.Set("fw_logon_id", strconv.Itoa(logonId)) + + return fmt.Sprintf(uriFormat, v.Encode()) +} + +func templateUrl(baseUrl *string, uri string) string { + return fmt.Sprintf(urlFormat, *baseUrl, uri) +} diff --git a/fun/wcl/default.nix b/fun/wcl/default.nix new file mode 100644 index 000000000000..e4d9804c807c --- /dev/null +++ b/fun/wcl/default.nix @@ -0,0 +1,14 @@ +{ depot, ... }: + +depot.nix.buildLisp.program { + name = "wc"; + + srcs = [ + ./wc.lisp + ]; + + deps = with depot.third_party.lisp; [ + unix-opts + iterate + ]; +} diff --git a/fun/wcl/wc.lisp b/fun/wcl/wc.lisp new file mode 100644 index 000000000000..83c7e8c4f1cc --- /dev/null +++ b/fun/wcl/wc.lisp @@ -0,0 +1,34 @@ +(defpackage wc + (:use #:cl #:iterate) + (:export :main)) +(in-package :wc) +(declaim (optimize (speed 3) (safety 0))) + +(defun main () + (let ((filename (cadr (opts:argv))) + (space (char-code #\Space)) + (newline (char-code #\Newline))) + (with-open-file (file-stream filename :element-type '(unsigned-byte 8)) + (iter + (for byte in-stream file-stream using #'read-byte) + (for previous-byte previous byte) + (for is-newline = (eql newline byte)) + + ;; Count each byte + (sum 1 into bytes) + + ;; Count every newline + (counting is-newline into newlines) + + ;; Count every "word", unless the preceding character already + ;; was a space or we are at the beginning of the file. + (when (or (eql space previous-byte) + (eql newline previous-byte) + (not previous-byte)) + (next-iteration)) + + (counting (or is-newline (eql space byte)) + into words) + + (declare (fixnum bytes newlines words)) + (finally (format t " ~A ~A ~A ~A~%" newlines words bytes filename)))))) |
