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Diffstat (limited to 'web/converse')
49 files changed, 6531 insertions, 0 deletions
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"0.2" +curl = "*" # bounded by crimp +rouille = "3.0" + +[build-dependencies] +pulldown-cmark = "0.1" +askama = "0.6" diff --git a/web/converse/LICENSE b/web/converse/LICENSE new file mode 100644 index 000000000000..f288702d2fa1 --- /dev/null +++ b/web/converse/LICENSE @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. <https://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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Interpretation of Sections 15 and 16. + + If the disclaimer of warranty and limitation of liability provided +above cannot be given local legal effect according to their terms, +reviewing courts shall apply local law that most closely approximates +an absolute waiver of all civil liability in connection with the +Program, unless a warranty or assumption of liability accompanies a +copy of the Program in return for a fee. + + END OF TERMS AND CONDITIONS + + How to Apply These Terms to Your New Programs + + If you develop a new program, and you want it to be of the greatest +possible use to the public, the best way to achieve this is to make it +free software which everyone can redistribute and change under these terms. + + To do so, attach the following notices to the program. It is safest +to attach them to the start of each source file to most effectively +state the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + <one line to give the program's name and a brief idea of what it does.> + Copyright (C) <year> <name of author> + + This program 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. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + <program> Copyright (C) <year> <name of author> + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +<https://www.gnu.org/licenses/>. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +<https://www.gnu.org/licenses/why-not-lgpl.html>. diff --git a/web/converse/README.md b/web/converse/README.md new file mode 100644 index 000000000000..e7a3f70aec07 --- /dev/null +++ b/web/converse/README.md @@ -0,0 +1,14 @@ +Converse +======== + +Welcome to Converse, a work-in-progress forum software written in +Rust. The intention behind Converse is to provide a simple forum-like +experience. + +There is not a lot of documentation about Converse yet and it has +several known issues. Also note that Converse is being developed for a +specific use-case and is not going to be a forum feature kitchen-sink +like most classical forum softwares. + +Better documentation is forthcoming once the remaining basics have +been taken care of. diff --git a/web/converse/build.rs b/web/converse/build.rs new file mode 100644 index 000000000000..89e3e6b1aba9 --- /dev/null +++ b/web/converse/build.rs @@ -0,0 +1,5 @@ +extern crate askama; + +fn main() { + askama::rerun_if_templates_changed(); +} diff --git a/web/converse/default.nix b/web/converse/default.nix new file mode 100644 index 000000000000..cc2dab7f88f8 --- /dev/null +++ b/web/converse/default.nix @@ -0,0 +1,7 @@ +{ depot, pkgs, ... }: + +depot.third_party.naersk.buildPackage { + src = ./.; + buildInputs = with pkgs; [ openssl postgresql.lib ]; + nativeBuildInputs = [ pkgs.pkgconfig ]; +} diff --git a/web/converse/envrc.example b/web/converse/envrc.example new file mode 100644 index 000000000000..f255d269fec7 --- /dev/null +++ b/web/converse/envrc.example @@ -0,0 +1,14 @@ +# This is an example configuration for running converse during +# development using direnv: +# https://github.com/direnv/direnv +# +# The OIDC actor is configured with bogus values as disabling logins +# never causes it to run anyways. + +export DATABASE_URL=postgres://converse:converse@localhost/converse +export RUST_LOG=info +export OIDC_DISCOVERY_URL=https://does.not.matter.com/ +export OIDC_CLIENT_ID=some-client-id +export OIDC_CLIENT_SECRET='some-client-secret' +export BASE_URL=http://localhost:4567 +export REQUIRE_LOGIN=false diff --git a/web/converse/migrations/.gitkeep b/web/converse/migrations/.gitkeep new file mode 100644 index 000000000000..e69de29bb2d1 --- /dev/null +++ b/web/converse/migrations/.gitkeep diff --git a/web/converse/migrations/00000000000000_diesel_initial_setup/down.sql b/web/converse/migrations/00000000000000_diesel_initial_setup/down.sql new file mode 100644 index 000000000000..a9f526091194 --- /dev/null +++ b/web/converse/migrations/00000000000000_diesel_initial_setup/down.sql @@ -0,0 +1,6 @@ +-- This file was automatically created by Diesel to setup helper functions +-- and other internal bookkeeping. This file is safe to edit, any future +-- changes will be added to existing projects as new migrations. + +DROP FUNCTION IF EXISTS diesel_manage_updated_at(_tbl regclass); +DROP FUNCTION IF EXISTS diesel_set_updated_at(); diff --git a/web/converse/migrations/00000000000000_diesel_initial_setup/up.sql b/web/converse/migrations/00000000000000_diesel_initial_setup/up.sql new file mode 100644 index 000000000000..d68895b1a7b7 --- /dev/null +++ b/web/converse/migrations/00000000000000_diesel_initial_setup/up.sql @@ -0,0 +1,36 @@ +-- This file was automatically created by Diesel to setup helper functions +-- and other internal bookkeeping. This file is safe to edit, any future +-- changes will be added to existing projects as new migrations. + + + + +-- Sets up a trigger for the given table to automatically set a column called +-- `updated_at` whenever the row is modified (unless `updated_at` was included +-- in the modified columns) +-- +-- # Example +-- +-- ```sql +-- CREATE TABLE users (id SERIAL PRIMARY KEY, updated_at TIMESTAMP NOT NULL DEFAULT NOW()); +-- +-- SELECT diesel_manage_updated_at('users'); +-- ``` +CREATE OR REPLACE FUNCTION diesel_manage_updated_at(_tbl regclass) RETURNS VOID AS $$ +BEGIN + EXECUTE format('CREATE TRIGGER set_updated_at BEFORE UPDATE ON %s + FOR EACH ROW EXECUTE PROCEDURE diesel_set_updated_at()', _tbl); +END; +$$ LANGUAGE plpgsql; + +CREATE OR REPLACE FUNCTION diesel_set_updated_at() RETURNS trigger AS $$ +BEGIN + IF ( + NEW IS DISTINCT FROM OLD AND + NEW.updated_at IS NOT DISTINCT FROM OLD.updated_at + ) THEN + NEW.updated_at := current_timestamp; + END IF; + RETURN NEW; +END; +$$ LANGUAGE plpgsql; diff --git a/web/converse/migrations/2018-04-08-133240_create_posts/down.sql b/web/converse/migrations/2018-04-08-133240_create_posts/down.sql new file mode 100644 index 000000000000..8ebcef8e131a --- /dev/null +++ b/web/converse/migrations/2018-04-08-133240_create_posts/down.sql @@ -0,0 +1,2 @@ +DROP TABLE posts; +DROP TABLE threads; diff --git a/web/converse/migrations/2018-04-08-133240_create_posts/up.sql b/web/converse/migrations/2018-04-08-133240_create_posts/up.sql new file mode 100644 index 000000000000..7cf601fa2c54 --- /dev/null +++ b/web/converse/migrations/2018-04-08-133240_create_posts/up.sql @@ -0,0 +1,13 @@ +CREATE TABLE threads ( + id SERIAL PRIMARY KEY, + title VARCHAR NOT NULL, + body TEXT NOT NULL, + posted TIMESTAMPTZ NOT NULL +); + +CREATE TABLE posts ( + id SERIAL PRIMARY KEY, + thread SERIAL REFERENCES threads (id), + body TEXT NOT NULL, + posted TIMESTAMPTZ NOT NULL +); diff --git a/web/converse/migrations/2018-04-08-161017_joinable_posts/down.sql b/web/converse/migrations/2018-04-08-161017_joinable_posts/down.sql new file mode 100644 index 000000000000..cc7874b410ee --- /dev/null +++ b/web/converse/migrations/2018-04-08-161017_joinable_posts/down.sql @@ -0,0 +1 @@ +ALTER TABLE posts RENAME COLUMN thread_id TO thread; diff --git a/web/converse/migrations/2018-04-08-161017_joinable_posts/up.sql b/web/converse/migrations/2018-04-08-161017_joinable_posts/up.sql new file mode 100644 index 000000000000..9713de6cfc4b --- /dev/null +++ b/web/converse/migrations/2018-04-08-161017_joinable_posts/up.sql @@ -0,0 +1 @@ +ALTER TABLE posts RENAME COLUMN thread TO thread_id; diff --git a/web/converse/migrations/2018-04-08-172739_default_posted/down.sql b/web/converse/migrations/2018-04-08-172739_default_posted/down.sql new file mode 100644 index 000000000000..64dc07e0666a --- /dev/null +++ b/web/converse/migrations/2018-04-08-172739_default_posted/down.sql @@ -0,0 +1,2 @@ +ALTER TABLE threads ALTER COLUMN posted DROP DEFAULT; +ALTER TABLE posts ALTER COLUMN posted DROP DEFAULT; diff --git a/web/converse/migrations/2018-04-08-172739_default_posted/up.sql b/web/converse/migrations/2018-04-08-172739_default_posted/up.sql new file mode 100644 index 000000000000..afca8181cc56 --- /dev/null +++ b/web/converse/migrations/2018-04-08-172739_default_posted/up.sql @@ -0,0 +1,2 @@ +ALTER TABLE threads ALTER COLUMN posted SET DEFAULT (NOW() AT TIME ZONE 'UTC'); +ALTER TABLE posts ALTER COLUMN posted SET DEFAULT (NOW() AT TIME ZONE 'UTC'); diff --git a/web/converse/migrations/2018-04-08-182319_add_authors/down.sql b/web/converse/migrations/2018-04-08-182319_add_authors/down.sql new file mode 100644 index 000000000000..8ad817908065 --- /dev/null +++ b/web/converse/migrations/2018-04-08-182319_add_authors/down.sql @@ -0,0 +1,5 @@ +ALTER TABLE threads DROP COLUMN author_name; +ALTER TABLE threads DROP COLUMN author_email; + +ALTER TABLE posts DROP COLUMN author_name; +ALTER TABLE posts DROP COLUMN author_email; diff --git a/web/converse/migrations/2018-04-08-182319_add_authors/up.sql b/web/converse/migrations/2018-04-08-182319_add_authors/up.sql new file mode 100644 index 000000000000..ad5beb9f6785 --- /dev/null +++ b/web/converse/migrations/2018-04-08-182319_add_authors/up.sql @@ -0,0 +1,10 @@ +-- This migration adds an 'author' column to the thread & post table. +-- Authors don't currently exist as independent objects in the +-- database as most user management is simply delegated to the OIDC +-- provider. + +ALTER TABLE threads ADD COLUMN author_name VARCHAR NOT NULL DEFAULT 'anonymous'; +ALTER TABLE threads ADD COLUMN author_email VARCHAR NOT NULL DEFAULT 'unknown@example.org'; + +ALTER TABLE posts ADD COLUMN author_name VARCHAR NOT NULL DEFAULT 'anonymous'; +ALTER TABLE posts ADD COLUMN author_email VARCHAR NOT NULL DEFAULT 'unknown@example.org'; diff --git a/web/converse/migrations/2018-04-14-140818_posts_only_in_posts/down.sql b/web/converse/migrations/2018-04-14-140818_posts_only_in_posts/down.sql new file mode 100644 index 000000000000..bb6528f33d78 --- /dev/null +++ b/web/converse/migrations/2018-04-14-140818_posts_only_in_posts/down.sql @@ -0,0 +1 @@ +ALTER TABLE threads ADD COLUMN body TEXT NOT NULL DEFAULT ''; diff --git a/web/converse/migrations/2018-04-14-140818_posts_only_in_posts/up.sql b/web/converse/migrations/2018-04-14-140818_posts_only_in_posts/up.sql new file mode 100644 index 000000000000..07ff9a1196f6 --- /dev/null +++ b/web/converse/migrations/2018-04-14-140818_posts_only_in_posts/up.sql @@ -0,0 +1,6 @@ +-- Instead of storing the thread OP in the thread table, this will +-- make it a post as well. +-- At the time at which this migration was created no important data +-- existed in any converse instances, so data is not moved. + +ALTER TABLE threads DROP COLUMN body; diff --git a/web/converse/migrations/2018-04-14-153202_add_stickies_improve_index/down.sql b/web/converse/migrations/2018-04-14-153202_add_stickies_improve_index/down.sql new file mode 100644 index 000000000000..a67ada3d4a57 --- /dev/null +++ b/web/converse/migrations/2018-04-14-153202_add_stickies_improve_index/down.sql @@ -0,0 +1,2 @@ +DROP VIEW thread_index; +ALTER TABLE threads DROP COLUMN sticky; diff --git a/web/converse/migrations/2018-04-14-153202_add_stickies_improve_index/up.sql b/web/converse/migrations/2018-04-14-153202_add_stickies_improve_index/up.sql new file mode 100644 index 000000000000..74a559e35d00 --- /dev/null +++ b/web/converse/migrations/2018-04-14-153202_add_stickies_improve_index/up.sql @@ -0,0 +1,21 @@ +-- Add support for stickies in threads +ALTER TABLE threads ADD COLUMN sticky BOOLEAN NOT NULL DEFAULT FALSE; + +-- CREATE a simple view that returns the list of threads ordered by +-- the last post that occured in the thread. +CREATE VIEW thread_index AS + SELECT t.id AS thread_id, + t.title AS title, + t.author_name AS thread_author, + t.posted AS created, + t.sticky AS sticky, + p.id AS post_id, + p.author_name AS post_author, + p.posted AS posted + FROM threads t + JOIN (SELECT DISTINCT ON (thread_id) + id, thread_id, author_name, posted + FROM posts + ORDER BY thread_id, id DESC) AS p + ON t.id = p.thread_id + ORDER BY t.sticky DESC, p.id DESC; diff --git a/web/converse/migrations/2018-04-14-170750_search-index/down.sql b/web/converse/migrations/2018-04-14-170750_search-index/down.sql new file mode 100644 index 000000000000..c57e66290201 --- /dev/null +++ b/web/converse/migrations/2018-04-14-170750_search-index/down.sql @@ -0,0 +1,2 @@ +DROP INDEX idx_fts_search; +DROP MATERIALIZED VIEW search_index; diff --git a/web/converse/migrations/2018-04-14-170750_search-index/up.sql b/web/converse/migrations/2018-04-14-170750_search-index/up.sql new file mode 100644 index 000000000000..6b7d90eca63c --- /dev/null +++ b/web/converse/migrations/2018-04-14-170750_search-index/up.sql @@ -0,0 +1,21 @@ +-- Prepare a materialised view containing the tsvector data for all +-- threads and posts. This view is indexed using a GIN-index to enable +-- performant full-text searches. +-- +-- For now the query language is hardcoded to be English. + +CREATE MATERIALIZED VIEW search_index AS + SELECT p.id AS post_id, + p.author_name AS author, + t.id AS thread_id, + t.title AS title, + p.body AS body, + setweight(to_tsvector('english', t.title), 'B') || + setweight(to_tsvector('english', p.body), 'A') || + setweight(to_tsvector('simple', t.author_name), 'C') || + setweight(to_tsvector('simple', p.author_name), 'C') AS document + FROM posts p + JOIN threads t + ON t.id = p.thread_id; + +CREATE INDEX idx_fts_search ON search_index USING gin(document); diff --git a/web/converse/migrations/2018-05-01-141548_add-users/down.sql b/web/converse/migrations/2018-05-01-141548_add-users/down.sql new file mode 100644 index 000000000000..61fd222e18cf --- /dev/null +++ b/web/converse/migrations/2018-05-01-141548_add-users/down.sql @@ -0,0 +1,63 @@ +-- First restore the old columns: +ALTER TABLE threads ADD COLUMN author_name VARCHAR; +ALTER TABLE threads ADD COLUMN author_email VARCHAR; +ALTER TABLE posts ADD COLUMN author_name VARCHAR; +ALTER TABLE posts ADD COLUMN author_email VARCHAR; + +-- Then select the data back into them: +UPDATE threads SET author_name = users.name, + author_email = users.email + FROM users + WHERE threads.user_id = users.id; + +UPDATE posts SET author_name = users.name, + author_email = users.email + FROM users + WHERE posts.user_id = users.id; + +-- add the constraints back: +ALTER TABLE threads ALTER COLUMN author_name SET NOT NULL; +ALTER TABLE threads ALTER COLUMN author_email SET NOT NULL; +ALTER TABLE posts ALTER COLUMN author_name SET NOT NULL; +ALTER TABLE posts ALTER COLUMN author_email SET NOT NULL; + +-- reset the index view: +CREATE OR REPLACE VIEW thread_index AS + SELECT t.id AS thread_id, + t.title AS title, + t.author_name AS thread_author, + t.posted AS created, + t.sticky AS sticky, + p.id AS post_id, + p.author_name AS post_author, + p.posted AS posted + FROM threads t + JOIN (SELECT DISTINCT ON (thread_id) + id, thread_id, author_name, posted + FROM posts + ORDER BY thread_id, id DESC) AS p + ON t.id = p.thread_id + ORDER BY t.sticky DESC, p.id DESC; + +-- reset the search view: +DROP MATERIALIZED VIEW search_index; +CREATE MATERIALIZED VIEW search_index AS + SELECT p.id AS post_id, + p.author_name AS author, + t.id AS thread_id, + t.title AS title, + p.body AS body, + setweight(to_tsvector('english', t.title), 'B') || + setweight(to_tsvector('english', p.body), 'A') || + setweight(to_tsvector('simple', t.author_name), 'C') || + setweight(to_tsvector('simple', p.author_name), 'C') AS document + FROM posts p + JOIN threads t + ON t.id = p.thread_id; + +CREATE INDEX idx_fts_search ON search_index USING gin(document); + +-- and drop the users table and columns: +ALTER TABLE posts DROP COLUMN user_id; +ALTER TABLE threads DROP COLUMN user_id; +DROP TABLE users; diff --git a/web/converse/migrations/2018-05-01-141548_add-users/up.sql b/web/converse/migrations/2018-05-01-141548_add-users/up.sql new file mode 100644 index 000000000000..fcb7133e8e41 --- /dev/null +++ b/web/converse/migrations/2018-05-01-141548_add-users/up.sql @@ -0,0 +1,83 @@ +-- This query creates a users table and migrates the existing user +-- information (from the posts table) into it. + +CREATE TABLE users ( + id SERIAL PRIMARY KEY, + email VARCHAR NOT NULL UNIQUE, + name VARCHAR NOT NULL, + admin BOOLEAN NOT NULL DEFAULT false +); + +-- Insert the 'anonymous' user explicitly: +INSERT INTO users (name, email) + VALUES ('Anonymous', 'anonymous@nothing.org'); + +INSERT INTO users (id, email, name) + SELECT nextval('users_id_seq'), + author_email AS email, + author_name AS name + FROM posts + WHERE author_email != 'anonymous@nothing.org' + GROUP BY name, email; + +-- Create the 'user_id' column in the relevant tables (initially +-- without a not-null constraint) and populate it with the data +-- selected above: +ALTER TABLE posts ADD COLUMN user_id INTEGER REFERENCES users (id); +UPDATE posts SET user_id = users.id + FROM users + WHERE users.email = posts.author_email; + +ALTER TABLE threads ADD COLUMN user_id INTEGER REFERENCES users (id); +UPDATE threads SET user_id = users.id + FROM users + WHERE users.email = threads.author_email; + +-- Add the constraints: +ALTER TABLE posts ALTER COLUMN user_id SET NOT NULL; +ALTER TABLE threads ALTER COLUMN user_id SET NOT NULL; + +-- Update the index view: +CREATE OR REPLACE VIEW thread_index AS + SELECT t.id AS thread_id, + t.title AS title, + ta.name AS thread_author, + t.posted AS created, + t.sticky AS sticky, + p.id AS post_id, + pa.name AS post_author, + p.posted AS posted + FROM threads t + JOIN (SELECT DISTINCT ON (thread_id) + id, thread_id, user_id, posted + FROM posts + ORDER BY thread_id, id DESC) AS p + ON t.id = p.thread_id + JOIN users ta ON ta.id = t.user_id + JOIN users pa ON pa.id = p.user_id + ORDER BY t.sticky DESC, p.id DESC; + +-- Update the search view: +DROP MATERIALIZED VIEW search_index; +CREATE MATERIALIZED VIEW search_index AS + SELECT p.id AS post_id, + pa.name AS author, + t.id AS thread_id, + t.title AS title, + p.body AS body, + setweight(to_tsvector('english', t.title), 'B') || + setweight(to_tsvector('english', p.body), 'A') || + setweight(to_tsvector('simple', ta.name), 'C') || + setweight(to_tsvector('simple', pa.name), 'C') AS document + FROM posts p + JOIN threads t ON t.id = p.thread_id + JOIN users ta ON ta.id = t.user_id + JOIN users pa ON pa.id = p.user_id; + +CREATE INDEX idx_fts_search ON search_index USING gin(document); + +-- And drop the old fields: +ALTER TABLE posts DROP COLUMN author_name; +ALTER TABLE posts DROP COLUMN author_email; +ALTER TABLE threads DROP COLUMN author_name; +ALTER TABLE threads DROP COLUMN author_email; diff --git a/web/converse/migrations/2018-05-01-183232_simplified-post-view/down.sql b/web/converse/migrations/2018-05-01-183232_simplified-post-view/down.sql new file mode 100644 index 000000000000..0f14732f3845 --- /dev/null +++ b/web/converse/migrations/2018-05-01-183232_simplified-post-view/down.sql @@ -0,0 +1 @@ +DROP VIEW simple_posts; diff --git a/web/converse/migrations/2018-05-01-183232_simplified-post-view/up.sql b/web/converse/migrations/2018-05-01-183232_simplified-post-view/up.sql new file mode 100644 index 000000000000..280fef87003e --- /dev/null +++ b/web/converse/migrations/2018-05-01-183232_simplified-post-view/up.sql @@ -0,0 +1,11 @@ +-- Creates a view for listing posts akin to the post table before +-- splitting out users. This exists to avoid having to do joining +-- logic and such inside of the application. + +CREATE VIEW simple_posts AS + SELECT p.id AS id, + thread_id, body, posted, user_id, + users.name AS author_name, + users.email AS author_email + FROM posts p + JOIN users ON users.id = p.user_id; diff --git a/web/converse/migrations/2018-05-25-160648_add_closed_column/down.sql b/web/converse/migrations/2018-05-25-160648_add_closed_column/down.sql new file mode 100644 index 000000000000..fb2a98c0af42 --- /dev/null +++ b/web/converse/migrations/2018-05-25-160648_add_closed_column/down.sql @@ -0,0 +1 @@ +ALTER TABLE threads DROP COLUMN closed; diff --git a/web/converse/migrations/2018-05-25-160648_add_closed_column/up.sql b/web/converse/migrations/2018-05-25-160648_add_closed_column/up.sql new file mode 100644 index 000000000000..d7d4c44da201 --- /dev/null +++ b/web/converse/migrations/2018-05-25-160648_add_closed_column/up.sql @@ -0,0 +1 @@ +ALTER TABLE threads ADD COLUMN closed BOOLEAN NOT NULL DEFAULT false; diff --git a/web/converse/migrations/2018-05-25-161939_add_closed_to_index/down.sql b/web/converse/migrations/2018-05-25-161939_add_closed_to_index/down.sql new file mode 100644 index 000000000000..1063fdc88224 --- /dev/null +++ b/web/converse/migrations/2018-05-25-161939_add_closed_to_index/down.sql @@ -0,0 +1,30 @@ +-- Update the index view: +DROP VIEW thread_index; +CREATE VIEW thread_index AS + SELECT t.id AS thread_id, + t.title AS title, + ta.name AS thread_author, + t.posted AS created, + t.sticky AS sticky, + p.id AS post_id, + pa.name AS post_author, + p.posted AS posted + FROM threads t + JOIN (SELECT DISTINCT ON (thread_id) + id, thread_id, user_id, posted + FROM posts + ORDER BY thread_id, id DESC) AS p + ON t.id = p.thread_id + JOIN users ta ON ta.id = t.user_id + JOIN users pa ON pa.id = p.user_id + ORDER BY t.sticky DESC, p.id DESC; + +-- Update the post view: +DROP VIEW simple_posts; +CREATE VIEW simple_posts AS + SELECT p.id AS id, + thread_id, body, posted, user_id, + users.name AS author_name, + users.email AS author_email + FROM posts p + JOIN users ON users.id = p.user_id; diff --git a/web/converse/migrations/2018-05-25-161939_add_closed_to_index/up.sql b/web/converse/migrations/2018-05-25-161939_add_closed_to_index/up.sql new file mode 100644 index 000000000000..87580a2f3f9e --- /dev/null +++ b/web/converse/migrations/2018-05-25-161939_add_closed_to_index/up.sql @@ -0,0 +1,35 @@ +-- Update the index view: +DROP VIEW thread_index; +CREATE VIEW thread_index AS + SELECT t.id AS thread_id, + t.title AS title, + ta.name AS thread_author, + t.posted AS created, + t.sticky AS sticky, + t.closed AS closed, + p.id AS post_id, + pa.name AS post_author, + p.posted AS posted + FROM threads t + JOIN (SELECT DISTINCT ON (thread_id) + id, thread_id, user_id, posted + FROM posts + ORDER BY thread_id, id DESC) AS p + ON t.id = p.thread_id + JOIN users ta ON ta.id = t.user_id + JOIN users pa ON pa.id = p.user_id + ORDER BY t.sticky DESC, p.id DESC; + +-- Update post view: +DROP VIEW simple_posts; +CREATE VIEW simple_posts AS + SELECT p.id AS id, + thread_id, body, + p.posted AS posted, + p.user_id AS user_id, + threads.closed AS closed, + users.name AS author_name, + users.email AS author_email + FROM posts p + JOIN users ON users.id = p.user_id + JOIN threads ON threads.id = p.thread_id; diff --git a/web/converse/src/db.rs b/web/converse/src/db.rs new file mode 100644 index 000000000000..a0d8915504d6 --- /dev/null +++ b/web/converse/src/db.rs @@ -0,0 +1,317 @@ +// Copyright (C) 2018-2021 Vincent Ambo <tazjin@tvl.su> +// +// This file is part of Converse. +// +// This program 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. +// +// This program is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see +// <https://www.gnu.org/licenses/>. + +//! This module implements the database executor, which holds the +//! database connection and performs queries on it. + +use crate::errors::{ConverseError, Result}; +use crate::models::*; +use actix::prelude::*; +use diesel::prelude::*; +use diesel::r2d2::{ConnectionManager, Pool}; +use diesel::sql_types::Text; +use diesel::{self, sql_query}; + +/// Raw PostgreSQL query used to perform full-text search on posts +/// with a supplied phrase. For now, the query language is hardcoded +/// to English and only "plain" queries (i.e. no searches for exact +/// matches or more advanced query syntax) are supported. +const SEARCH_QUERY: &'static str = r#" +WITH search_query (query) AS (VALUES (plainto_tsquery('english', $1))) +SELECT post_id, + thread_id, + author, + title, + ts_headline('english', body, query) AS headline + FROM search_index, search_query + WHERE document @@ query + ORDER BY ts_rank(document, query) DESC + LIMIT 50 +"#; + +const REFRESH_QUERY: &'static str = "REFRESH MATERIALIZED VIEW search_index"; + +pub struct DbExecutor(pub Pool<ConnectionManager<PgConnection>>); + +impl DbExecutor { + /// Request a list of threads. + // TODO(tazjin): This should support pagination. + pub fn list_threads(&self) -> Result<Vec<ThreadIndex>> { + use crate::schema::thread_index::dsl::*; + + let conn = self.0.get()?; + let results = thread_index.load::<ThreadIndex>(&conn)?; + Ok(results) + } + + /// Look up a user based on their email-address. If the user does + /// not exist, it is created. + pub fn lookup_or_create_user(&self, user_email: &str, user_name: &str) -> Result<User> { + use crate::schema::users; + use crate::schema::users::dsl::*; + + let conn = self.0.get()?; + + let opt_user = users.filter(email.eq(email)).first(&conn).optional()?; + + if let Some(user) = opt_user { + Ok(user) + } else { + let new_user = NewUser { + email: user_email.to_string(), + name: user_name.to_string(), + }; + + let user: User = diesel::insert_into(users::table) + .values(&new_user) + .get_result(&conn)?; + + info!("Created new user {} with ID {}", new_user.email, user.id); + + Ok(user) + } + } + + /// Fetch a specific thread and return it with its posts. + pub fn get_thread(&self, thread_id: i32) -> Result<(Thread, Vec<SimplePost>)> { + use crate::schema::simple_posts::dsl::id; + use crate::schema::threads::dsl::*; + + let conn = self.0.get()?; + let thread_result: Thread = threads.find(thread_id).first(&conn)?; + + let post_list = SimplePost::belonging_to(&thread_result) + .order_by(id.asc()) + .load::<SimplePost>(&conn)?; + + Ok((thread_result, post_list)) + } + + /// Fetch a specific post. + pub fn get_post(&self, post_id: i32) -> Result<SimplePost> { + use crate::schema::simple_posts::dsl::*; + let conn = self.0.get()?; + Ok(simple_posts.find(post_id).first(&conn)?) + } + + /// Update the content of a post. + pub fn update_post(&self, post_id: i32, post_text: String) -> Result<Post> { + use crate::schema::posts::dsl::*; + let conn = self.0.get()?; + let updated = diesel::update(posts.find(post_id)) + .set(body.eq(post_text)) + .get_result(&conn)?; + + Ok(updated) + } + + /// Create a new thread. + pub fn create_thread(&self, new_thread: NewThread, post_text: String) -> Result<Thread> { + use crate::schema::{posts, threads}; + + let conn = self.0.get()?; + + conn.transaction::<Thread, ConverseError, _>(|| { + // First insert the thread structure itself + let thread: Thread = diesel::insert_into(threads::table) + .values(&new_thread) + .get_result(&conn)?; + + // ... then create the first post in the thread. + let new_post = NewPost { + thread_id: thread.id, + body: post_text, + user_id: new_thread.user_id, + }; + + diesel::insert_into(posts::table) + .values(&new_post) + .execute(&conn)?; + + Ok(thread) + }) + } + + /// Create a new post. + pub fn create_post(&self, new_post: NewPost) -> Result<Post> { + use crate::schema::posts; + + let conn = self.0.get()?; + + let closed: bool = { + use crate::schema::threads::dsl::*; + threads + .select(closed) + .find(new_post.thread_id) + .first(&conn)? + }; + + if closed { + return Err(ConverseError::ThreadClosed { + id: new_post.thread_id, + }); + } + + Ok(diesel::insert_into(posts::table) + .values(&new_post) + .get_result(&conn)?) + } + + /// Search for posts. + pub fn search_posts(&self, query: String) -> Result<Vec<SearchResult>> { + let conn = self.0.get()?; + + let search_results = sql_query(SEARCH_QUERY) + .bind::<Text, _>(query) + .get_results::<SearchResult>(&conn)?; + + Ok(search_results) + } + + /// Trigger a refresh of the view used for full-text searching. + pub fn refresh_search_view(&self) -> Result<()> { + let conn = self.0.get()?; + debug!("Refreshing search_index view in DB"); + sql_query(REFRESH_QUERY).execute(&conn)?; + Ok(()) + } +} + +// Old actor implementation: + +impl Actor for DbExecutor { + type Context = SyncContext<Self>; +} + +/// Message used to look up a user based on their email-address. If +/// the user does not exist, it is created. +pub struct LookupOrCreateUser { + pub email: String, + pub name: String, +} + +message!(LookupOrCreateUser, Result<User>); + +impl Handler<LookupOrCreateUser> for DbExecutor { + type Result = <LookupOrCreateUser as Message>::Result; + + fn handle(&mut self, _: LookupOrCreateUser, _: &mut Self::Context) -> Self::Result { + unimplemented!() + } +} + +/// Message used to fetch a specific thread. Returns the thread and +/// its posts. +pub struct GetThread(pub i32); +message!(GetThread, Result<(Thread, Vec<SimplePost>)>); + +impl Handler<GetThread> for DbExecutor { + type Result = <GetThread as Message>::Result; + + fn handle(&mut self, _: GetThread, _: &mut Self::Context) -> Self::Result { + unimplemented!() + } +} + +/// Message used to fetch a specific post. +#[derive(Deserialize, Debug)] +pub struct GetPost { + pub id: i32, +} + +message!(GetPost, Result<SimplePost>); + +impl Handler<GetPost> for DbExecutor { + type Result = <GetPost as Message>::Result; + + fn handle(&mut self, _: GetPost, _: &mut Self::Context) -> Self::Result { + unimplemented!() + } +} + +/// Message used to update the content of a post. +#[derive(Deserialize)] +pub struct UpdatePost { + pub post_id: i32, + pub post: String, +} + +message!(UpdatePost, Result<Post>); + +impl Handler<UpdatePost> for DbExecutor { + type Result = Result<Post>; + + fn handle(&mut self, _: UpdatePost, _: &mut Self::Context) -> Self::Result { + unimplemented!() + } +} + +/// Message used to create a new thread +pub struct CreateThread { + pub new_thread: NewThread, + pub post: String, +} +message!(CreateThread, Result<Thread>); + +impl Handler<CreateThread> for DbExecutor { + type Result = <CreateThread as Message>::Result; + + fn handle(&mut self, _: CreateThread, _: &mut Self::Context) -> Self::Result { + unimplemented!() + } +} + +/// Message used to create a new reply +pub struct CreatePost(pub NewPost); +message!(CreatePost, Result<Post>); + +impl Handler<CreatePost> for DbExecutor { + type Result = <CreatePost as Message>::Result; + + fn handle(&mut self, _: CreatePost, _: &mut Self::Context) -> Self::Result { + unimplemented!() + } +} + +/// Message used to search for posts +#[derive(Deserialize)] +pub struct SearchPosts { + pub query: String, +} +message!(SearchPosts, Result<Vec<SearchResult>>); + +impl Handler<SearchPosts> for DbExecutor { + type Result = <SearchPosts as Message>::Result; + + fn handle(&mut self, _: SearchPosts, _: &mut Self::Context) -> Self::Result { + unimplemented!() + } +} + +/// Message that triggers a refresh of the view used for full-text +/// searching. +pub struct RefreshSearchView; +message!(RefreshSearchView, Result<()>); + +impl Handler<RefreshSearchView> for DbExecutor { + type Result = Result<()>; + + fn handle(&mut self, _: RefreshSearchView, _: &mut Self::Context) -> Self::Result { + unimplemented!() + } +} diff --git a/web/converse/src/errors.rs b/web/converse/src/errors.rs new file mode 100644 index 000000000000..a4bd69023b8b --- /dev/null +++ b/web/converse/src/errors.rs @@ -0,0 +1,139 @@ +// Copyright (C) 2018-2021 Vincent Ambo <tazjin@tvl.su> +// +// This file is part of Converse. +// +// This program 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. +// +// This program is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see +// <https://www.gnu.org/licenses/>. + +//! This module defines custom error types using the `failure`-crate. +//! Links to foreign error types (such as database connection errors) +//! are established in a similar way as was tradition in +//! `error_chain`, albeit manually. + +use actix_web::http::StatusCode; +use actix_web::{HttpResponse, ResponseError}; +use std::result; + +// Modules with foreign errors: +use {actix, actix_web, askama, diesel, r2d2, tokio_timer}; + +pub type Result<T> = result::Result<T, ConverseError>; +pub type ConverseResult<T> = result::Result<T, ConverseError>; + +#[derive(Debug, Fail)] +pub enum ConverseError { + #[fail(display = "an internal Converse error occured: {}", reason)] + InternalError { reason: String }, + + #[fail(display = "a database error occured: {}", error)] + Database { error: diesel::result::Error }, + + #[fail(display = "a database connection pool error occured: {}", error)] + ConnectionPool { error: r2d2::Error }, + + #[fail(display = "a template rendering error occured: {}", reason)] + Template { reason: String }, + + #[fail(display = "error occured during request handling: {}", error)] + ActixWeb { error: actix_web::Error }, + + #[fail(display = "error occured running timer: {}", error)] + Timer { error: tokio_timer::Error }, + + #[fail(display = "user {} does not have permission to edit post {}", user, id)] + PostEditForbidden { user: i32, id: i32 }, + + #[fail(display = "thread {} is closed and can not be responded to", id)] + ThreadClosed { id: i32 }, + + #[fail(display = "JSON serialisation failed: {}", error)] + Serialisation { error: serde_json::Error }, + + // This variant is used as a catch-all for wrapping + // actix-web-compatible response errors, such as the errors it + // throws itself. + #[fail(display = "Actix response error: {}", error)] + Actix { error: Box<dyn ResponseError> }, +} + +// Establish conversion links to foreign errors: + +impl From<diesel::result::Error> for ConverseError { + fn from(error: diesel::result::Error) -> ConverseError { + ConverseError::Database { error } + } +} + +impl From<r2d2::Error> for ConverseError { + fn from(error: r2d2::Error) -> ConverseError { + ConverseError::ConnectionPool { error } + } +} + +impl From<askama::Error> for ConverseError { + fn from(error: askama::Error) -> ConverseError { + ConverseError::Template { + reason: format!("{}", error), + } + } +} + +impl From<actix::MailboxError> for ConverseError { + fn from(error: actix::MailboxError) -> ConverseError { + ConverseError::Actix { + error: Box::new(error), + } + } +} + +impl From<actix_web::Error> for ConverseError { + fn from(error: actix_web::Error) -> ConverseError { + ConverseError::ActixWeb { error } + } +} + +impl From<serde_json::Error> for ConverseError { + fn from(error: serde_json::Error) -> ConverseError { + ConverseError::Serialisation { error } + } +} + +impl From<curl::Error> for ConverseError { + fn from(error: curl::Error) -> ConverseError { + ConverseError::InternalError { + reason: format!("error during HTTP request: {}", error), + } + } +} + +impl From<tokio_timer::Error> for ConverseError { + fn from(error: tokio_timer::Error) -> ConverseError { + ConverseError::Timer { error } + } +} + +// Support conversion of error type into HTTP error responses: + +impl ResponseError for ConverseError { + fn error_response(&self) -> HttpResponse { + // Everything is mapped to internal server errors for now. + match *self { + ConverseError::ThreadClosed { id } => HttpResponse::SeeOther() + .header("Location", format!("/thread/{}#post-reply", id)) + .finish(), + _ => HttpResponse::build(StatusCode::INTERNAL_SERVER_ERROR) + .body(format!("An error occured: {}", self)), + } + } +} diff --git a/web/converse/src/handlers.rs b/web/converse/src/handlers.rs new file mode 100644 index 000000000000..49f9dcf9745f --- /dev/null +++ b/web/converse/src/handlers.rs @@ -0,0 +1,391 @@ +// Copyright (C) 2018-2021 Vincent Ambo <tazjin@tvl.su> +// +// This file is part of Converse. +// +// This program 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. +// +// This program is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see +// <https://www.gnu.org/licenses/>. + +//! This module contains the implementation of converse's actix-web +//! HTTP handlers. +//! +//! Most handlers have an associated rendering function using one of +//! the tera templates stored in the `/templates` directory in the +//! project root. + +use crate::db::*; +use crate::errors::{ConverseError, ConverseResult}; +use crate::models::*; +use crate::oidc::*; +use crate::render::*; +use actix::prelude::*; +use actix_web; +use actix_web::http::Method; +use actix_web::middleware::identity::RequestIdentity; +use actix_web::middleware::{Middleware, Started}; +use actix_web::*; +use futures::Future; + +use rouille::{Request, Response}; + +type ConverseResponse = Box<dyn Future<Item = HttpResponse, Error = ConverseError>>; + +const HTML: &'static str = "text/html"; +const ANONYMOUS: i32 = 1; +const NEW_THREAD_LENGTH_ERR: &'static str = "Title and body can not be empty!"; + +/// Represents the state carried by the web server actors. +pub struct AppState { + /// Address of the database actor + pub db: Addr<DbExecutor>, + + /// Address of the OIDC actor + pub oidc: Addr<OidcExecutor>, + + /// Address of the rendering actor + pub renderer: Addr<Renderer>, +} + +/// Serve the forum's index page. +pub fn forum_index_rouille(db: &DbExecutor) -> ConverseResult<Response> { + let threads = db.list_threads()?; + Ok(Response::html(index_page(threads)?)) +} + +pub fn forum_index(_: State<AppState>) -> ConverseResponse { + unimplemented!() +} + +/// Returns the ID of the currently logged in user. If there is no ID +/// present, the ID of the anonymous user will be returned. +pub fn get_user_id(req: &HttpRequest<AppState>) -> i32 { + if let Some(id) = req.identity() { + // If this .expect() call is triggered, someone is likely + // attempting to mess with their cookies. These requests can + // be allowed to fail without further ado. + id.parse().expect("Session cookie contained invalid data!") + } else { + ANONYMOUS + } +} + +pub fn get_user_id_rouille(_req: &Request) -> i32 { + // TODO(tazjin): Implement session support in rouille somehow. + ANONYMOUS +} + +pub fn forum_thread_rouille( + req: &Request, + db: &DbExecutor, + thread_id: i32, +) -> ConverseResult<Response> { + let user = get_user_id_rouille(&req); + let thread = db.get_thread(thread_id)?; + Ok(Response::html(thread_page(user, thread.0, thread.1)?)) +} + +/// This handler retrieves and displays a single forum thread. +pub fn forum_thread( + _: State<AppState>, + _: HttpRequest<AppState>, + _: Path<i32>, +) -> ConverseResponse { + unimplemented!() +} + +/// This handler presents the user with the "New Thread" form. +pub fn new_thread(state: State<AppState>) -> ConverseResponse { + state + .renderer + .send(NewThreadPage::default()) + .flatten() + .map(|res| HttpResponse::Ok().content_type(HTML).body(res)) + .responder() +} + +#[derive(Deserialize)] +pub struct NewThreadForm { + pub title: String, + pub post: String, +} + +/// This handler receives a "New thread"-form and redirects the user +/// to the new thread after creation. +pub fn submit_thread( + (state, input, req): (State<AppState>, Form<NewThreadForm>, HttpRequest<AppState>), +) -> ConverseResponse { + // Trim whitespace out of inputs: + let input = NewThreadForm { + title: input.title.trim().into(), + post: input.post.trim().into(), + }; + + // Perform simple validation and abort here if it fails: + if input.title.is_empty() || input.post.is_empty() { + return state + .renderer + .send(NewThreadPage { + alerts: vec![NEW_THREAD_LENGTH_ERR], + title: Some(input.title), + post: Some(input.post), + }) + .flatten() + .map(|res| HttpResponse::Ok().content_type(HTML).body(res)) + .responder(); + } + + let user_id = get_user_id(&req); + + let new_thread = NewThread { + user_id, + title: input.title, + }; + + let msg = CreateThread { + new_thread, + post: input.post, + }; + + state + .db + .send(msg) + .from_err() + .and_then(move |res| { + let thread = res?; + info!( + "Created new thread \"{}\" with ID {}", + thread.title, thread.id + ); + Ok(HttpResponse::SeeOther() + .header("Location", format!("/thread/{}", thread.id)) + .finish()) + }) + .responder() +} + +#[derive(Deserialize)] +pub struct NewPostForm { + pub thread_id: i32, + pub post: String, +} + +/// This handler receives a "Reply"-form and redirects the user to the +/// new post after creation. +pub fn reply_thread( + state: State<AppState>, + input: Form<NewPostForm>, + req: HttpRequest<AppState>, +) -> ConverseResponse { + let user_id = get_user_id(&req); + + let new_post = NewPost { + user_id, + thread_id: input.thread_id, + body: input.post.trim().into(), + }; + + state + .db + .send(CreatePost(new_post)) + .flatten() + .from_err() + .and_then(move |post| { + info!("Posted reply {} to thread {}", post.id, post.thread_id); + Ok(HttpResponse::SeeOther() + .header( + "Location", + format!("/thread/{}#post-{}", post.thread_id, post.id), + ) + .finish()) + }) + .responder() +} + +/// This handler presents the user with the form to edit a post. If +/// the user attempts to edit a post that they do not have access to, +/// they are currently ungracefully redirected back to the post +/// itself. +pub fn edit_form( + state: State<AppState>, + req: HttpRequest<AppState>, + query: Path<GetPost>, +) -> ConverseResponse { + let user_id = get_user_id(&req); + + state + .db + .send(query.into_inner()) + .flatten() + .from_err() + .and_then(move |post| { + if user_id != 1 && post.user_id == user_id { + return Ok(post); + } + + Err(ConverseError::PostEditForbidden { + user: user_id, + id: post.id, + }) + }) + .and_then(move |post| { + let edit_msg = EditPostPage { + id: post.id, + post: post.body, + }; + + state.renderer.send(edit_msg).from_err() + }) + .flatten() + .map(|page| HttpResponse::Ok().content_type(HTML).body(page)) + .responder() +} + +/// This handler "executes" an edit to a post if the current user owns +/// the edited post. +pub fn edit_post( + state: State<AppState>, + req: HttpRequest<AppState>, + update: Form<UpdatePost>, +) -> ConverseResponse { + let user_id = get_user_id(&req); + + state + .db + .send(GetPost { id: update.post_id }) + .flatten() + .from_err() + .and_then(move |post| { + if user_id != 1 && post.user_id == user_id { + Ok(()) + } else { + Err(ConverseError::PostEditForbidden { + user: user_id, + id: post.id, + }) + } + }) + .and_then(move |_| state.db.send(update.0).from_err()) + .flatten() + .map(|updated| { + HttpResponse::SeeOther() + .header( + "Location", + format!("/thread/{}#post-{}", updated.thread_id, updated.id), + ) + .finish() + }) + .responder() +} + +/// This handler executes a full-text search on the forum database and +/// displays the results to the user. +pub fn search_forum(state: State<AppState>, query: Query<SearchPosts>) -> ConverseResponse { + let query_string = query.query.clone(); + state + .db + .send(query.into_inner()) + .flatten() + .and_then(move |results| { + state + .renderer + .send(SearchResultPage { + results, + query: query_string, + }) + .from_err() + }) + .flatten() + .map(|res| HttpResponse::Ok().content_type(HTML).body(res)) + .responder() +} + +/// This handler initiates an OIDC login. +pub fn login(state: State<AppState>) -> ConverseResponse { + state + .oidc + .send(GetLoginUrl) + .from_err() + .and_then(|url| { + Ok(HttpResponse::TemporaryRedirect() + .header("Location", url) + .finish()) + }) + .responder() +} + +/// This handler handles an OIDC callback (i.e. completed login). +/// +/// Upon receiving the callback, a token is retrieved from the OIDC +/// provider and a user lookup is performed. If a user with a matching +/// email-address is found in the database, it is logged in - +/// otherwise a new user is created. +pub fn callback( + state: State<AppState>, + data: Form<CodeResponse>, + req: HttpRequest<AppState>, +) -> ConverseResponse { + state + .oidc + .send(RetrieveToken(data.0)) + .flatten() + .map(|author| LookupOrCreateUser { + email: author.email, + name: author.name, + }) + .and_then(move |msg| state.db.send(msg).from_err()) + .flatten() + .and_then(move |user| { + info!("Completed login for user {} ({})", user.email, user.id); + req.remember(user.id.to_string()); + Ok(HttpResponse::SeeOther().header("Location", "/").finish()) + }) + .responder() +} + +/// This is an extension trait to enable easy serving of embedded +/// static content. +/// +/// It is intended to be called with `include_bytes!()` when setting +/// up the actix-web application. +pub trait EmbeddedFile { + fn static_file(self, path: &'static str, content: &'static [u8]) -> Self; +} + +impl EmbeddedFile for App<AppState> { + fn static_file(self, path: &'static str, content: &'static [u8]) -> Self { + self.route(path, Method::GET, move |_: HttpRequest<_>| { + let mime = format!("{}", mime_guess::from_path(path).first_or_octet_stream()); + HttpResponse::Ok().content_type(mime.as_str()).body(content) + }) + } +} + +/// Middleware used to enforce logins unceremoniously. +pub struct RequireLogin; + +impl<S> Middleware<S> for RequireLogin { + fn start(&self, req: &HttpRequest<S>) -> actix_web::Result<Started> { + let logged_in = req.identity().is_some(); + let is_oidc_req = req.path().starts_with("/oidc"); + + if !is_oidc_req && !logged_in { + Ok(Started::Response( + HttpResponse::SeeOther() + .header("Location", "/oidc/login") + .finish(), + )) + } else { + Ok(Started::Done) + } + } +} diff --git a/web/converse/src/main.rs b/web/converse/src/main.rs new file mode 100644 index 000000000000..78d0241600b4 --- /dev/null +++ b/web/converse/src/main.rs @@ -0,0 +1,239 @@ +// Copyright (C) 2018-2021 Vincent Ambo <tazjin@tvl.su> +// +// This file is part of Converse. +// +// This program 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. +// +// This program is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see +// <https://www.gnu.org/licenses/>. + +extern crate askama; + +#[macro_use] +extern crate diesel; + +#[macro_use] +extern crate failure; + +#[macro_use] +extern crate log; + +#[macro_use] +extern crate serde_derive; + +extern crate actix; +extern crate actix_web; +extern crate chrono; +extern crate comrak; +extern crate crimp; +extern crate curl; +extern crate env_logger; +extern crate futures; +extern crate hyper; +extern crate md5; +extern crate mime_guess; +extern crate r2d2; +extern crate rand; +extern crate rouille; +extern crate serde; +extern crate serde_json; +extern crate tokio; +extern crate tokio_timer; +extern crate url; +extern crate url_serde; + +/// Simple macro used to reduce boilerplate when defining actor +/// message types. +macro_rules! message { + ( $t:ty, $r:ty ) => { + impl Message for $t { + type Result = $r; + } + }; +} + +pub mod db; +pub mod errors; +pub mod handlers; +pub mod models; +pub mod oidc; +pub mod render; +pub mod schema; + +use crate::db::*; +use crate::handlers::*; +use crate::oidc::OidcExecutor; +use crate::render::Renderer; +use actix::prelude::*; +use actix_web::http::Method; +use actix_web::middleware::identity::{CookieIdentityPolicy, IdentityService}; +use actix_web::middleware::Logger; +use actix_web::*; +use diesel::pg::PgConnection; +use diesel::r2d2::{ConnectionManager, Pool}; +use rand::{OsRng, Rng}; +use std::env; + +fn config(name: &str) -> String { + env::var(name).expect(&format!("{} must be set", name)) +} + +fn config_default(name: &str, default: &str) -> String { + env::var(name).unwrap_or(default.into()) +} + +fn start_db_executor() -> Addr<DbExecutor> { + info!("Initialising database connection pool ..."); + let db_url = config("DATABASE_URL"); + + let manager = ConnectionManager::<PgConnection>::new(db_url); + let pool = Pool::builder() + .build(manager) + .expect("Failed to initialise DB pool"); + + SyncArbiter::start(2, move || DbExecutor(pool.clone())) +} + +fn schedule_search_refresh(db: Addr<DbExecutor>) { + use std::thread; + use std::time::{Duration, Instant}; + use tokio::prelude::*; + use tokio::timer::Interval; + + let task = Interval::new(Instant::now(), Duration::from_secs(60)) + .from_err() + .for_each(move |_| db.send(db::RefreshSearchView).flatten()) + .map_err(|err| error!("Error while updating search view: {}", err)); + + thread::spawn(|| tokio::run(task)); +} + +fn start_oidc_executor(base_url: &str) -> Addr<OidcExecutor> { + info!("Initialising OIDC integration ..."); + let oidc_url = config("OIDC_DISCOVERY_URL"); + let oidc_config = + oidc::load_oidc(&oidc_url).expect("Failed to retrieve OIDC discovery document"); + + let oidc = oidc::OidcExecutor { + oidc_config, + client_id: config("OIDC_CLIENT_ID"), + client_secret: config("OIDC_CLIENT_SECRET"), + redirect_uri: format!("{}/oidc/callback", base_url), + }; + + oidc.start() +} + +fn start_renderer() -> Addr<Renderer> { + let comrak = comrak::ComrakOptions { + github_pre_lang: true, + ext_strikethrough: true, + ext_table: true, + ext_autolink: true, + ext_tasklist: true, + ext_footnotes: true, + ext_tagfilter: true, + ..Default::default() + }; + + Renderer { comrak }.start() +} + +fn gen_session_key() -> [u8; 64] { + let mut key_bytes = [0; 64]; + let mut rng = OsRng::new().expect("Failed to retrieve RNG for key generation"); + rng.fill_bytes(&mut key_bytes); + + key_bytes +} + +fn start_http_server( + base_url: String, + db_addr: Addr<DbExecutor>, + oidc_addr: Addr<OidcExecutor>, + renderer_addr: Addr<Renderer>, +) { + info!("Initialising HTTP server ..."); + let bind_host = config_default("CONVERSE_BIND_HOST", "127.0.0.1:4567"); + let key = gen_session_key(); + let require_login = config_default("REQUIRE_LOGIN", "true".into()) == "true"; + + server::new(move || { + let state = AppState { + db: db_addr.clone(), + oidc: oidc_addr.clone(), + renderer: renderer_addr.clone(), + }; + + let identity = IdentityService::new( + CookieIdentityPolicy::new(&key) + .name("converse_auth") + .path("/") + .secure(base_url.starts_with("https")), + ); + + let app = App::with_state(state) + .middleware(Logger::default()) + .middleware(identity) + .resource("/", |r| r.method(Method::GET).with(forum_index)) + .resource("/thread/new", |r| r.method(Method::GET).with(new_thread)) + .resource("/thread/submit", |r| { + r.method(Method::POST).with(submit_thread) + }) + .resource("/thread/reply", |r| { + r.method(Method::POST).with(reply_thread) + }) + .resource("/thread/{id}", |r| r.method(Method::GET).with(forum_thread)) + .resource("/post/{id}/edit", |r| r.method(Method::GET).with(edit_form)) + .resource("/post/edit", |r| r.method(Method::POST).with(edit_post)) + .resource("/search", |r| r.method(Method::GET).with(search_forum)) + .resource("/oidc/login", |r| r.method(Method::GET).with(login)) + .resource("/oidc/callback", |r| r.method(Method::POST).with(callback)) + .static_file( + "/static/highlight.css", + include_bytes!("../static/highlight.css"), + ) + .static_file( + "/static/highlight.js", + include_bytes!("../static/highlight.js"), + ) + .static_file("/static/styles.css", include_bytes!("../static/styles.css")); + + if require_login { + app.middleware(RequireLogin) + } else { + app + } + }) + .bind(&bind_host) + .expect(&format!("Could not bind on '{}'", bind_host)) + .start(); +} + +fn main() { + env_logger::init(); + + info!("Welcome to Converse! Hold on tight while we're getting ready."); + let sys = actix::System::new("converse"); + + let base_url = config("BASE_URL"); + + let db_addr = start_db_executor(); + let oidc_addr = start_oidc_executor(&base_url); + let renderer_addr = start_renderer(); + + schedule_search_refresh(db_addr.clone()); + + start_http_server(base_url, db_addr, oidc_addr, renderer_addr); + + sys.run(); +} diff --git a/web/converse/src/models.rs b/web/converse/src/models.rs new file mode 100644 index 000000000000..63b15fbed061 --- /dev/null +++ b/web/converse/src/models.rs @@ -0,0 +1,127 @@ +// Copyright (C) 2018-2021 Vincent Ambo <tazjin@tvl.su> +// +// This file is part of Converse. +// +// This program 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. +// +// This program is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see +// <https://www.gnu.org/licenses/>. + +use crate::schema::{posts, simple_posts, threads, users}; +use chrono::prelude::{DateTime, Utc}; +use diesel::sql_types::{Integer, Text}; + +/// Represents a single user in the Converse database. Converse does +/// not handle logins itself, but rather looks them up based on the +/// email address received from an OIDC provider. +#[derive(Identifiable, Queryable, Serialize)] +pub struct User { + pub id: i32, + pub name: String, + pub email: String, + pub admin: bool, +} + +#[derive(Identifiable, Queryable, Serialize, Associations)] +#[belongs_to(User)] +pub struct Thread { + pub id: i32, + pub title: String, + pub posted: DateTime<Utc>, + pub sticky: bool, + pub user_id: i32, + pub closed: bool, +} + +#[derive(Identifiable, Queryable, Serialize, Associations)] +#[belongs_to(Thread)] +#[belongs_to(User)] +pub struct Post { + pub id: i32, + pub thread_id: i32, + pub body: String, + pub posted: DateTime<Utc>, + pub user_id: i32, +} + +/// This struct is used as the query result type for the simplified +/// post view, which already joins user information in the database. +#[derive(Identifiable, Queryable, Serialize, Associations)] +#[belongs_to(Thread)] +pub struct SimplePost { + pub id: i32, + pub thread_id: i32, + pub body: String, + pub posted: DateTime<Utc>, + pub user_id: i32, + pub closed: bool, + pub author_name: String, + pub author_email: String, +} + +/// This struct is used as the query result type for the thread index +/// view, which lists the index of threads ordered by the last post in +/// each thread. +#[derive(Queryable, Serialize)] +pub struct ThreadIndex { + pub thread_id: i32, + pub title: String, + pub thread_author: String, + pub created: DateTime<Utc>, + pub sticky: bool, + pub closed: bool, + pub post_id: i32, + pub post_author: String, + pub posted: DateTime<Utc>, +} + +#[derive(Deserialize, Insertable)] +#[table_name = "threads"] +pub struct NewThread { + pub title: String, + pub user_id: i32, +} + +#[derive(Deserialize, Insertable)] +#[table_name = "users"] +pub struct NewUser { + pub email: String, + pub name: String, +} + +#[derive(Deserialize, Insertable)] +#[table_name = "posts"] +pub struct NewPost { + pub thread_id: i32, + pub body: String, + pub user_id: i32, +} + +/// This struct models the response of a full-text search query. It +/// does not use a table/schema definition struct like the other +/// tables, as no table of this type actually exists. +#[derive(QueryableByName, Debug, Serialize)] +pub struct SearchResult { + #[sql_type = "Integer"] + pub post_id: i32, + #[sql_type = "Integer"] + pub thread_id: i32, + #[sql_type = "Text"] + pub author: String, + #[sql_type = "Text"] + pub title: String, + + /// Headline represents the result of Postgres' ts_headline() + /// function, which highlights search terms in the search results. + #[sql_type = "Text"] + pub headline: String, +} diff --git a/web/converse/src/oidc.rs b/web/converse/src/oidc.rs new file mode 100644 index 000000000000..75e3eabc88f2 --- /dev/null +++ b/web/converse/src/oidc.rs @@ -0,0 +1,170 @@ +// Copyright (C) 2018-2021 Vincent Ambo <tazjin@tvl.su> +// +// This file is part of Converse. +// +// This program 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. +// +// This program is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see +// <https://www.gnu.org/licenses/>. + +//! This module provides authentication via OIDC compliant +//! authentication sources. +//! +//! Currently Converse only supports a single OIDC provider. Note that +//! this has so far only been tested with Office365. + +use crate::errors::*; +use actix::prelude::*; +use crimp::Request; +use curl::easy::Form; +use url::Url; +use url_serde; + +/// This structure represents the contents of an OIDC discovery +/// document. +#[derive(Deserialize, Debug, Clone)] +pub struct OidcConfig { + #[serde(with = "url_serde")] + authorization_endpoint: Url, + token_endpoint: String, + userinfo_endpoint: String, + + scopes_supported: Vec<String>, + issuer: String, +} + +#[derive(Clone, Debug)] +pub struct OidcExecutor { + pub client_id: String, + pub client_secret: String, + pub redirect_uri: String, + pub oidc_config: OidcConfig, +} + +/// This struct represents the form response returned by an OIDC +/// provider with the `code`. +#[derive(Debug, Deserialize)] +pub struct CodeResponse { + pub code: String, +} + +/// This struct represents the data extracted from the ID token and +/// stored in the user's session. +#[derive(Debug, Serialize, Deserialize)] +pub struct Author { + pub name: String, + pub email: String, +} + +impl Actor for OidcExecutor { + type Context = Context<Self>; +} + +/// Message used to request the login URL: +pub struct GetLoginUrl; // TODO: Add a nonce parameter stored in session. +message!(GetLoginUrl, String); + +impl Handler<GetLoginUrl> for OidcExecutor { + type Result = String; + + fn handle(&mut self, _: GetLoginUrl, _: &mut Self::Context) -> Self::Result { + let mut url: Url = self.oidc_config.authorization_endpoint.clone(); + { + let mut params = url.query_pairs_mut(); + params.append_pair("client_id", &self.client_id); + params.append_pair("response_type", "code"); + params.append_pair("scope", "openid"); + params.append_pair("redirect_uri", &self.redirect_uri); + params.append_pair("response_mode", "form_post"); + } + return url.into_string(); + } +} + +/// Message used to request the token from the returned code and +/// retrieve userinfo from the appropriate endpoint. +pub struct RetrieveToken(pub CodeResponse); +message!(RetrieveToken, Result<Author>); + +#[derive(Debug, Deserialize)] +struct TokenResponse { + access_token: String, +} + +// TODO: This is currently hardcoded to Office365 fields. +#[derive(Debug, Deserialize)] +struct Userinfo { + name: String, + unique_name: String, // email in office365 +} + +impl Handler<RetrieveToken> for OidcExecutor { + type Result = Result<Author>; + + fn handle(&mut self, msg: RetrieveToken, _: &mut Self::Context) -> Self::Result { + debug!("Received OAuth2 code, requesting access_token"); + + let mut form = Form::new(); + form.part("client_id") + .contents(&self.client_id.as_bytes()) + .add() + .expect("critical error: invalid form data"); + + form.part("client_secret") + .contents(&self.client_secret.as_bytes()) + .add() + .expect("critical error: invalid form data"); + + form.part("grant_type") + .contents("authorization_code".as_bytes()) + .add() + .expect("critical error: invalid form data"); + + form.part("code") + .contents(&msg.0.code.as_bytes()) + .add() + .expect("critical error: invalid form data"); + + form.part("redirect_uri") + .contents(&self.redirect_uri.as_bytes()) + .add() + .expect("critical error: invalid form data"); + + let response = Request::post(&self.oidc_config.token_endpoint) + .user_agent(concat!("converse-", env!("CARGO_PKG_VERSION")))? + .form(form) + .send()?; + + debug!("Received token response: {:?}", response); + let token: TokenResponse = response.as_json()?.body; + + let bearer = format!("Bearer {}", token.access_token); + let user: Userinfo = Request::get(&self.oidc_config.userinfo_endpoint) + .user_agent(concat!("converse-", env!("CARGO_PKG_VERSION")))? + .header("Authorization", &bearer)? + .send()? + .as_json()? + .body; + + Ok(Author { + name: user.name, + email: user.unique_name, + }) + } +} + +/// Convenience function to attempt loading an OIDC discovery document +/// from a specified URL: +pub fn load_oidc(url: &str) -> Result<OidcConfig> { + let config: OidcConfig = Request::get(url).send()?.as_json()?.body; + Ok(config) +} diff --git a/web/converse/src/render.rs b/web/converse/src/render.rs new file mode 100644 index 000000000000..d06af12bd9f1 --- /dev/null +++ b/web/converse/src/render.rs @@ -0,0 +1,245 @@ +// Copyright (C) 2018-2021 Vincent Ambo <tazjin@tvl.su> +// +// This file is part of Converse. +// +// This program 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. +// +// This program is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see +// <https://www.gnu.org/licenses/>. + +//! This module defines a rendering actor used for processing Converse +//! data into whatever format is needed by the templates and rendering +//! them. + +use crate::errors::*; +use crate::models::*; +use actix::prelude::*; +use askama::Template; +use chrono::prelude::{DateTime, Utc}; +use comrak::{markdown_to_html, ComrakOptions}; +use md5; +use std::fmt; + +pub struct Renderer { + pub comrak: ComrakOptions, +} + +impl Actor for Renderer { + type Context = actix::Context<Self>; +} + +/// Represents a data formatted for human consumption +#[derive(Debug)] +struct FormattedDate(DateTime<Utc>); + +impl fmt::Display for FormattedDate { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + write!(f, "{}", self.0.format("%a %d %B %Y, %R")) + } +} + +#[derive(Debug)] +struct IndexThread { + id: i32, + title: String, + sticky: bool, + closed: bool, + posted: FormattedDate, + author_name: String, + post_author: String, +} + +#[derive(Template)] +#[template(path = "index.html")] +struct IndexPageTemplate { + threads: Vec<IndexThread>, +} + +// "Renderable" structures with data transformations applied. +#[derive(Debug)] +struct RenderablePost { + id: i32, + body: String, + posted: FormattedDate, + author_name: String, + author_gravatar: String, + editable: bool, +} + +/// This structure represents the transformed thread data with +/// Markdown rendering and other changes applied. +#[derive(Template)] +#[template(path = "thread.html")] +struct RenderableThreadPage { + id: i32, + title: String, + closed: bool, + posts: Vec<RenderablePost>, +} + +/// Helper function for computing Gravatar links. +fn md5_hex(input: &[u8]) -> String { + format!("{:x}", md5::compute(input)) +} + +/// The different types of editing modes supported by the editing +/// template: +#[derive(Debug, PartialEq)] +pub enum EditingMode { + NewThread, + PostReply, + EditPost, +} + +impl Default for EditingMode { + fn default() -> EditingMode { + EditingMode::NewThread + } +} + +/// This is the template used for rendering the new thread, edit post +/// and reply to thread forms. +#[derive(Template, Default)] +#[template(path = "post.html")] +pub struct FormTemplate { + /// Which editing mode is to be used by the template? + pub mode: EditingMode, + + /// Potential alerts to display to the user (e.g. input validation + /// results) + pub alerts: Vec<&'static str>, + + /// Either the title to be used in the subject field or the title + /// of the thread the user is responding to. + pub title: Option<String>, + + /// Body of the post being edited, if present. + pub post: Option<String>, + + /// ID of the thread being replied to or the post being edited. + pub id: Option<i32>, +} + +/// Message used to render new thread page. +/// +/// It can optionally contain a vector of warnings to display to the +/// user in alert boxes, such as input validation errors. +#[derive(Default)] +pub struct NewThreadPage { + pub alerts: Vec<&'static str>, + pub title: Option<String>, + pub post: Option<String>, +} +message!(NewThreadPage, Result<String>); + +impl Handler<NewThreadPage> for Renderer { + type Result = Result<String>; + + fn handle(&mut self, msg: NewThreadPage, _: &mut Self::Context) -> Self::Result { + let ctx = FormTemplate { + alerts: msg.alerts, + title: msg.title, + post: msg.post, + ..Default::default() + }; + ctx.render().map_err(|e| e.into()) + } +} + +/// Message used to render post editing page. +pub struct EditPostPage { + pub id: i32, + pub post: String, +} +message!(EditPostPage, Result<String>); + +impl Handler<EditPostPage> for Renderer { + type Result = Result<String>; + + fn handle(&mut self, msg: EditPostPage, _: &mut Self::Context) -> Self::Result { + let ctx = FormTemplate { + mode: EditingMode::EditPost, + id: Some(msg.id), + post: Some(msg.post), + ..Default::default() + }; + + ctx.render().map_err(|e| e.into()) + } +} + +/// Message used to render search results +#[derive(Template)] +#[template(path = "search.html")] +pub struct SearchResultPage { + pub query: String, + pub results: Vec<SearchResult>, +} +message!(SearchResultPage, Result<String>); + +impl Handler<SearchResultPage> for Renderer { + type Result = Result<String>; + + fn handle(&mut self, msg: SearchResultPage, _: &mut Self::Context) -> Self::Result { + msg.render().map_err(|e| e.into()) + } +} + +// TODO: actor-free implementation below + +/// Render the index page for the given thread list. +pub fn index_page(threads: Vec<ThreadIndex>) -> Result<String> { + let threads: Vec<IndexThread> = threads + .into_iter() + .map(|thread| IndexThread { + id: thread.thread_id, + title: thread.title, // escape_html(&thread.title), + sticky: thread.sticky, + closed: thread.closed, + posted: FormattedDate(thread.posted), + author_name: thread.thread_author, + post_author: thread.post_author, + }) + .collect(); + + let tpl = IndexPageTemplate { threads }; + tpl.render().map_err(|e| e.into()) +} + +// Render the page of a given thread. +pub fn thread_page(user: i32, thread: Thread, posts: Vec<SimplePost>) -> Result<String> { + let posts = posts + .into_iter() + .map(|post| { + let editable = user != 1 && post.user_id == user; + + let comrak = ComrakOptions::default(); // TODO(tazjin): cheddar + RenderablePost { + id: post.id, + body: markdown_to_html(&post.body, &comrak), + posted: FormattedDate(post.posted), + author_name: post.author_name.clone(), + author_gravatar: md5_hex(post.author_email.as_bytes()), + editable, + } + }) + .collect(); + + let renderable = RenderableThreadPage { + posts, + closed: thread.closed, + id: thread.id, + title: thread.title, + }; + + Ok(renderable.render()?) +} diff --git a/web/converse/src/schema.rs b/web/converse/src/schema.rs new file mode 100644 index 000000000000..520af4342261 --- /dev/null +++ b/web/converse/src/schema.rs @@ -0,0 +1,83 @@ +// Copyright (C) 2018-2021 Vincent Ambo <tazjin@tvl.su> +// +// This file is part of Converse. +// +// This program 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. +// +// This program is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see +// <https://www.gnu.org/licenses/>. + +table! { + posts (id) { + id -> Int4, + thread_id -> Int4, + body -> Text, + posted -> Timestamptz, + user_id -> Int4, + } +} + +table! { + threads (id) { + id -> Int4, + title -> Varchar, + posted -> Timestamptz, + sticky -> Bool, + user_id -> Int4, + closed -> Bool, + } +} + +table! { + users (id) { + id -> Int4, + email -> Varchar, + name -> Varchar, + admin -> Bool, + } +} + +// Note: Manually inserted as print-schema does not add views. +table! { + simple_posts (id) { + id -> Int4, + thread_id -> Int4, + body -> Text, + posted -> Timestamptz, + user_id -> Int4, + closed -> Bool, + author_name -> Text, + author_email -> Text, + } +} + +// Note: Manually inserted as print-schema does not add views. +table! { + thread_index (thread_id) { + thread_id -> Int4, + title -> Text, + thread_author -> Text, + created -> Timestamptz, + sticky -> Bool, + closed -> Bool, + post_id -> Int4, + post_author -> Text, + posted -> Timestamptz, + } +} + +joinable!(posts -> threads (thread_id)); +joinable!(posts -> users (user_id)); +joinable!(threads -> users (user_id)); +joinable!(simple_posts -> threads (thread_id)); + +allow_tables_to_appear_in_same_query!(posts, threads, users, simple_posts,); diff --git a/web/converse/static/highlight.css b/web/converse/static/highlight.css new file mode 100644 index 000000000000..791932b87eaf --- /dev/null +++ b/web/converse/static/highlight.css @@ -0,0 +1,99 @@ +/* + +github.com style (c) Vasily Polovnyov <vast@whiteants.net> + +*/ + +.hljs { + display: block; + overflow-x: auto; + padding: 0.5em; + color: #333; + background: #f8f8f8; +} + +.hljs-comment, +.hljs-quote { + color: #998; + font-style: italic; +} + +.hljs-keyword, +.hljs-selector-tag, +.hljs-subst { + color: #333; + font-weight: bold; +} + +.hljs-number, +.hljs-literal, +.hljs-variable, +.hljs-template-variable, +.hljs-tag .hljs-attr { + color: #008080; +} + +.hljs-string, +.hljs-doctag { + color: #d14; +} + +.hljs-title, 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+.thread-author { + font-style: italic; + font-size: 85%; +} + +@media only screen and (min-width: 768px) { + .converse main { + padding-top: 10px; + padding-bottom: 10px; + } +} + +.mdl-list__item-text-body { + max-height: 40px; +} + +.thread-divider:after { + border-bottom: 1px solid rgba(0,0,0,.13); + content:""; + position: absolute; + width: 80%; +} + +html, body { + margin: 0; + padding: 0; +} +.converse .mdl-layout__header-row { + padding-left: 40px; +} +.converse .mdl-layout.is-small-screen .mdl-layout__header-row h3 { + font-size: inherit; +} +.converse .mdl-card { + height: auto; + display: -webkit-flex; + display: -ms-flexbox; + display: flex; + -webkit-flex-direction: column; + -ms-flex-direction: column; + flex-direction: column; +} +.converse .mdl-card > * { + height: auto; +} +.converse .mdl-card .mdl-card__supporting-text { + margin: 40px; + -webkit-flex-grow: 1; + -ms-flex-positive: 1; + flex-grow: 1; + padding: 0; + color: inherit; + width: calc(100% - 80px); +} +.mdl-demo.converse .mdl-card__supporting-text h4 { + margin-top: 0; + margin-bottom: 20px; +} +.converse .mdl-card__actions { + margin: 0; + padding: 4px 40px; + color: inherit; +} +.converse section.section--center { + max-width: 860px; +} +.converse .mdl-card .avatar-card { + display: flex; + flex-direction: column; + text-align: center; + margin-top: 30px; +} +.desktop-avatar { + width: 80px; + margin-right: auto; + margin-left: auto; +} +.mobile-avatar { + width: 30px; + border-radius: 8px; + margin-bottom: 5px; +} +.mobile-date { + text-decoration: none; +} +.converse .mdl-card .post-box { + margin: 20px; +} +.converse .mdl-card .post-actions { + display: flex; + padding-right: 5px; +} +.post-action { + margin: 5px; + margin-bottom: 10px; +} +.converse section.post-section { + padding: 5px; +} +.post-date { + text-decoration: none; + font-size: 80%; +} +.mdl-layout__content { + flex: 1 0 auto; +} +.converse .reply-box { + padding-top: 10px; +} +.search-result { + margin: 8px; +} +.search-result .mdl-button { + margin: 3px; +} diff --git a/web/converse/templates/index.html b/web/converse/templates/index.html new file mode 100644 index 000000000000..07d6e7bfcf09 --- /dev/null +++ b/web/converse/templates/index.html @@ -0,0 +1,80 @@ +<!doctype html> +<html lang="en"> + <head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0"> + <title>Converse: Index</title> + + <!-- TODO --> + <meta http-equiv="Content-Security-Policy" content="script-src https://code.getmdl.io 'self';"> + <!-- <link rel="shortcut icon" href="images/favicon.png"> --> + + <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Ubuntu"> + <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons"> + <link rel="stylesheet" href="https://code.getmdl.io/1.3.0/material.blue_grey-orange.min.css" /> + <link rel="stylesheet" href="/static/styles.css"> + </head> + <body class="converse mdl-base mdl-color-text--grey-700 mdl-color--grey-100"> + <div class="mdl-layout mdl-layout--fixed-header mdl-js-layout mdl-color--grey-100"> + <header class="mdl-layout__header mdl-layout__header--scroll mdl-color--primary-dark"> + <div class="mdl-layout__header-row"> + <a href="/" class="mdl-layout-title mdl-color-text--blue-grey-50 cvs-title">Converse</a> + <div class="mdl-layout-spacer"></div> + <div class="mdl-textfield mdl-js-textfield mdl-textfield--floating-label mdl-color-text--blue-grey-50 search-field"> + <form method="get" action="/search"> + <input class="mdl-textfield__input" type="search" id="search-query" aria-label="Search" name="query"> + <label class="mdl-textfield__label mdl-color-text--blue-grey-100" for="search-query">Search query...</label> + <input type="submit" hidden /> + </form> + </div> + + <a href="/thread/new"> + <button class="mdl-button mdl-js-button mdl-button--raised mdl-button--accent mdl-js-ripple-effect"> + New Thread + </button> + </a> + </div> + </header> + <main class="mdl-layout__content"> + <section class="section--center mdl-grid mdl-grid--no-spacing mdl-shadow--2dp"> + <div class="mdl-card mdl-cell mdl-cell--12-col"> + <div class="mdl-card__supporting-text mdl-grid"> + <h4 class="mdl-cell mdl-cell--12-col">Latest threads:</h4> + <ul class="mdl-list"> + {% for thread in threads %} + <li class="mdl-list__item thread-list-item mdl-list__item--three-line"> + <a class="thread-link mdl-color-text--grey-800" href="/thread/{{ thread.id }}"> + <span class="mdl-list__item-primary-content {% if loop.index < threads.len() %}thread-divider{% endif %}"> + <button class="mdl-button mdl-js-button mdl-button--fab mdl-button--mini-fab mdl-button--colored mdl-list__item-icon"> + <i class="material-icons"> + {% if thread.sticky %} + announcement + {% else if thread.closed %} + lock + {% else %} + library_books + {% endif %} + </i> + </button> + <span class="thread-title">{{ thread.title }}<span class="thread-author"> by {{ thread.author_name }}</span></span> + <span class="mdl-list__item-text-body"> + Last reply by {{ thread.post_author }} on {{ thread.posted }}. + </span> + </span> + </a> + </li> + {% endfor %} + </ul> + </div> + </div> + </section> + </main> + <footer class="mdl-mini-footer"> + <div class="mdl-mini-footer--right-section"> + <p>Powered by <a href="https://code.tvl.fyi/about/web/converse">Converse</a></p> + </div> + </footer> + </div> + <script src="https://code.getmdl.io/1.3.0/material.min.js"></script> + </body> +</html> diff --git a/web/converse/templates/post.html b/web/converse/templates/post.html new file mode 100644 index 000000000000..8ea2df1cd344 --- /dev/null +++ b/web/converse/templates/post.html @@ -0,0 +1,124 @@ +{# + This template is shared by the new thread, reply and post-editing pages. + + The main display differences between the different editing styles are the + headline of the page ("Submit new thread", "Reply to thread", "Edit post") + and whether or not the subject line field is displayed in the input form. + + Every one of these pages can have a variable length list of alerts submitted + into the template, which will be rendered as Boostrap alert boxes above the + user input form. +#} + +<!doctype html> +<html lang="en"> + <head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0"> + <title>Converse: Post</title> + + <meta http-equiv="Content-Security-Policy" content="script-src https://code.getmdl.io 'self';"> + <!-- <link rel="shortcut icon" href="images/favicon.png"> --> + + <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Ubuntu"> + <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons"> + <link rel="stylesheet" href="https://code.getmdl.io/1.3.0/material.blue_grey-orange.min.css" /> + <link rel="stylesheet" href="/static/styles.css"> + </head> + <body class="converse mdl-base mdl-color-text--grey-700 mdl-color--grey-100"> + <div class="mdl-layout mdl-layout--fixed-header mdl-js-layout mdl-color--grey-100"> + <header class="mdl-layout__header mdl-layout__header--scroll mdl-color--primary-dark"> + <div class="mdl-layout__header-row"> + <a href="/" class="mdl-layout-title mdl-color-text--blue-grey-50 cvs-title"> + {% match mode %} + {% when EditingMode::NewThread %} + Converse: Submit new thread + {% when EditingMode::PostReply %} + Converse: Reply to thread + {% when EditingMode::EditPost %} + Converse: Edit post + {% endmatch %} + </a> + <div class="mdl-layout-spacer"></div> + <a href="/"> + <button class="mdl-button mdl-js-button mdl-button--raised mdl-button--accent mdl-js-ripple-effect"> + Back to index + </button> + </a> + </div> + </header> + <main class="mdl-layout__content mdl-grid"> + <div class="mdl-card mdl-shadow--2dp mdl-cell--8-col"> + {% match mode %} + {% when EditingMode::NewThread %} + <form action="/thread/submit" method="post"> + {% when EditingMode::PostReply %} + <form action="/thread/reply" method="post"> + {% when EditingMode::EditPost %} + <form action="/post/edit" method="post"> + {% endmatch %} + {% match mode %} + {% when EditingMode::PostReply %} + <input type="hidden" id="thread_id" name="thread_id" value="{{ id.unwrap() }}"> + {% when EditingMode::EditPost %} + <input type="hidden" id="thread_id" name="post_id" value="{{ id.unwrap() }}"> + {% else %} + {# no post ID when making a new thread #} + {% endmatch %} + <div class="mdl-card__supporting-text"> + {% for alert in alerts %} + <span class="mdl-chip mdl-color--red-200"> + <span class="mdl-chip__text">{{ alert }} </span> + </span> + {% endfor %} + {% if mode == EditingMode::NewThread %} + <div class="mdl-textfield mdl-js-textfield mdl-textfield--floating-label mdl-cell--12-col"> + <input class="mdl-textfield__input" type="text" id="title" name="title" aria-label="thread title" required {% match title %}{% when Some with (title_text) %}value="{{ title_text }}"{% else %}{# Nothing! #}{% endmatch %}> + <label class="mdl-textfield__label" for="title">Thread title</label> + </div> + {% endif %} + <div class="mdl-textfield mdl-js-textfield mdl-textfield--floating-label mdl-cell--12-col"> + <textarea class="mdl-textfield__input" type="text" rows="25" id="post" name="post" aria-label="post content" required> + {%- match post -%} + {%- when Some with (post_text) -%} + {{- post_text -}} + {%- else -%} + {# Nothing! #} + {%- endmatch -%} + </textarea> + <label class="mdl-textfield__label" for="body">Content ...</label> + </div> + </div> + <div class="mdl-card__actions"> + <input class="mdl-button mdl-button--raised mdl-button--colored mdl-js-button mdl-js-ripple-effect" type="submit" value="Submit!"> + </div> + </form> + </div> + <div class="mdl-card mdl-shadow--2dp mdl-cell--4-col"> + <div class="mdl-card__title mdl-card--border"> + Quick Markdown primer: + </div> + <div class="mdl-card__supporting-text"> + <p> + Remember that you can use <a href="https://daringfireball.net/projects/markdown/basics"><strong>Markdown</strong></a> when + writing your posts: + </p> + <p><i>*italic text*</i></p> + <p><strong>**bold text**</strong></p> + <p><s>~strikethrough text~</s></p> + <p><code>[link text](https://some.link.com/)</code></p> + <p><code></code></p> + <p>Use <code>*</code> or <code>-</code> to enumerate lists.</p> + <p>See Markdown documentation for more information!</p> + </div> + </div> + </main> + <footer class="mdl-mini-footer"> + <div class="mdl-mini-footer--right-section"> + <p>Powered by <a href="https://code.tvl.fyi/about/web/converse">Converse</a></p> + </div> + </footer> + </div> + <script src="https://code.getmdl.io/1.3.0/material.min.js"></script> + </body> +</html> diff --git a/web/converse/templates/search.html b/web/converse/templates/search.html new file mode 100644 index 000000000000..418440e028ce --- /dev/null +++ b/web/converse/templates/search.html @@ -0,0 +1,67 @@ +<!doctype html> +<html lang="en"> + <head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0"> + <title>Converse: Search results</title> + + <!-- TODO --> + <meta http-equiv="Content-Security-Policy" content="script-src https://code.getmdl.io 'self';"> + <!-- <link rel="shortcut icon" href="images/favicon.png"> --> + + <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Ubuntu"> + <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons"> + <link rel="stylesheet" href="https://code.getmdl.io/1.3.0/material.blue_grey-orange.min.css" /> + <link rel="stylesheet" href="/static/styles.css"> + </head> + <body class="converse mdl-base mdl-color-text--grey-700 mdl-color--grey-100"> + <div class="mdl-layout mdl-layout--fixed-header mdl-js-layout mdl-color--grey-100"> + <header class="mdl-layout__header mdl-layout__header--scroll mdl-color--primary-dark"> + <div class="mdl-layout__header-row"> + <a href="/" class="mdl-layout-title mdl-color-text--blue-grey-50 cvs-title">Converse</a> + <div class="mdl-layout-spacer"></div> + <div class="mdl-textfield mdl-js-textfield mdl-textfield--floating-label mdl-color-text--blue-grey-50 search-field"> + <form method="get" action="/search"> + <input class="mdl-textfield__input" type="search" id="search-query" aria-label="Search" name="query"> + <label class="mdl-textfield__label mdl-color-text--blue-grey-100" for="search-query">Search query...</label> + <input type="submit" hidden /> + </form> + </div> + + <a href="/"> + <button class="mdl-button mdl-js-button mdl-button--raised mdl-button--accent mdl-js-ripple-effect"> + Back to index + </button> + </a> + </div> + </header> + <main class="mdl-layout__content"> + <section class="section--center mdl-grid"> + <div class="mdl-cell--12-col"> + <h4>Search results for '{{ query }}':</h4> + </div> + {% for result in results %} + <div class="mdl-card mdl-cell--6-col search-result mdl-shadow--2dp"> + <div class="mdl-card__supporting-text"> + <p>Posted in '{{ result.title }}' by {{ result.author }}:</p> + <p>{{ result.headline|safe }}</p> + </div> + <div class="mdl-card__actions mdl-card--border post-actions"> + <div class="mdl-layout-spacer"></div> + <a class="mdl-button mdl-js-button mdl-button--fab mdl-button--mini-fab mdl-button--colored" href="/thread/{{ result.thread_id }}#post-{{ result.post_id }}"> + <i class="material-icons">arrow_forward</i> + </a> + </div> + </div> + {% endfor %} + </section> + </main> + <footer class="mdl-mini-footer"> + <div class="mdl-mini-footer--right-section"> + <p>Powered by <a href="https://code.tvl.fyi/about/web/converse">Converse</a></p> + </div> + </footer> + </div> + <script src="https://code.getmdl.io/1.3.0/material.min.js"></script> + </body> +</html> diff --git a/web/converse/templates/thread.html b/web/converse/templates/thread.html new file mode 100644 index 000000000000..66ec23de1f0a --- /dev/null +++ b/web/converse/templates/thread.html @@ -0,0 +1,111 @@ +<!doctype html> +<html lang="en"> + <head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0"> + <title>Converse: {{ title }}</title> + + <!-- TODO --> + <meta http-equiv="Content-Security-Policy" content="script-src https://code.getmdl.io 'self';"> + <!-- <link rel="shortcut icon" href="images/favicon.png"> --> + + <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Ubuntu"> + <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Ubuntu+Mono"> + <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons"> + <link rel="stylesheet" href="https://code.getmdl.io/1.3.0/material.blue_grey-orange.min.css" /> + <link rel="stylesheet" href="/static/styles.css"> + <!-- Syntax highlighting for code --> + <link rel="stylesheet" href="/static/highlight.css"> + <style>img { max-width:100%; height:auto; }</style> + <script src="/static/highlight.js"></script> + </head> + <body class="converse mdl-base mdl-color-text--grey-700 mdl-color--grey-100"> + <div class="mdl-layout mdl-layout--fixed-header mdl-js-layout mdl-color--grey-100"> + <header class="mdl-layout__header mdl-color--primary-dark"> + <div class="mdl-layout__header-row"> + <a href="/" class="mdl-layout-title mdl-color-text--blue-grey-50 cvs-title">Converse: {{ title }}</a> + <div class="mdl-layout-spacer"></div> + <a href="/"> + <button class="mdl-button mdl-js-button mdl-button--raised mdl-button--accent mdl-js-ripple-effect"> + Back to index + </button> + </a> + </div> + </header> + <main class="mdl-layout__content"> + {% for post in posts -%} + <section id="post-{{ post.id }}" class="section--center mdl-grid mdl-grid--no-spacing"> + <!-- card to display avatars on desktop --> + <div class="mdl-card mdl-shadow--2dp mdl-cell--2-col mdl-cell--hide-phone mdl-cell--hide-tablet avatar-box"> + <div class="avatar-card"> + <img class="desktop-avatar" src="https://www.gravatar.com/avatar/{{ post.author_gravatar }}?d=monsterid&s=160" /> + <p class="user-name">{{ post.author_name }}</p> + </div> + </div> + <!-- card for main post content --> + <div class="mdl-card mdl-shadow--2dp post-box mdl-cell--10-col"> + <!-- card section for displaying user & post information on mobile --> + <div class="mdl-card__supporting-text mdl-card--border mdl-cell--hide-desktop mdl-color-text--blue-grey-500 mobile-user"> + <img class="mobile-avatar" src="https://www.gravatar.com/avatar/{{ post.author_gravatar }}?d=monsterid"/> + <span> {{ post.author_name }} posted on </span> + <a class="mdl-color-text--blue-grey-500 mobile-date" href="/thread/{{ id }}#post-{{ post.id }}">{{ post.posted }}</a> + </div> + <!-- card section to display post date on desktop --> + <div class="mdl-card__menu mdl-cell--hide-phone mdl-cell--hide-tablet"> + <a class="post-date mdl-color-text--blue-grey-500" href="/thread/{{ id }}#post-{{ post.id }}">{{ post.posted }}</a> + </div> + <!-- card section for actual post content --> + <div class="mdl-card__supporting-text post-box">{{ post.body|safe }}</div> + <!-- card section for post actions --> + <div class="mdl-card__actions post-actions"> + <div class="mdl-layout-spacer"></div> + + {% if post.editable %} + <a href="/post/{{ post.id }}/edit" class="mdl-button mdl-js-button mdl-button--accent" id="edit-post-{{ post.id }}" aria-label="Edit post"> + <i class="material-icons">edit</i> + <span class="mdl-tooltip mdl-tooltip--top" for="edit-post-{{ post.id }}">Edit post</span> + </a> + {% endif %} + <button class="mdl-button mdl-js-button mdl-button--accent" id="quote-post-{{ post.id }}" aria-label="Quote post" disabled> + <i class="material-icons">reply</i> + <span class="mdl-tooltip mdl-tooltip--top" for="quote-post-{{ post.id }}">Quote post</span> + </button> + </div> + </div> + </section> + {% endfor %} + + <!-- section for writing a response on the same page --> + <section id="post-reply" class="section--center mdl-grid mdl-grid--no-spacing reply-box"> + <div class="mdl-card mdl-shadow--2dp mdl-cell--12-col"> + {% if closed %} + <div class="mdl-card__supporting-text"> + This thread is <b>closed</b> and can no longer be responded to. + </div> + {% else %} + <form id="reply-form" action="/thread/reply" method="post"> + <input type="hidden" id="thread_id" name="thread_id" value="{{ id }}"> + + <div class="mdl-card__supporting-text"> + <div class="mdl-textfield mdl-js-textfield mdl-textfield--floating-label mdl-cell--12-col"> + <textarea class="mdl-textfield__input" type="text" rows="8" id="post" name="post" aria-label="reply content"></textarea> + <label class="mdl-textfield__label" for="post">Write a reply</label> + </div> + <button class="mdl-button mdl-button--raised mdl-button--primary mdl-js-button mdl-js-ripple-effect" type="submit"> + Post! + </button> + </div> + </form> + {% endif %} + </div> + </section> + </main> + <footer class="mdl-mini-footer"> + <div class="mdl-mini-footer--right-section"> + <p>Powered by <a href="https://code.tvl.fyi/about/web/converse">Converse</a></p> + </div> + </footer> + </div> + <script src="https://code.getmdl.io/1.3.0/material.min.js"></script> + </body> +</html> diff --git a/web/converse/todo.org b/web/converse/todo.org new file mode 100644 index 000000000000..379f10753ae5 --- /dev/null +++ b/web/converse/todo.org @@ -0,0 +1,13 @@ +* DONE Pin *-versions in cargo.toml +* DONE Markdown support +* DONE Post ordering as expected +* DONE Stickies! +* DONE Search +* DONE Post editing +* TODO Configurable number of DB workers +* TODO Match certain types of Diesel errors (esp. for "not found") +* TODO Sketch out categories vs. tags system +* TODO Quote button +* TODO Multiquote buttons +* TODO Pagination +* TODO Multi-thread guest accounts |