init backend

backend/.gitignore

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+.stack-work/
+*~

backend/CHANGELOG.md

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+# Changelog for `jitsi-rooms`
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to the
+[Haskell Package Versioning Policy](https://pvp.haskell.org/).
+
+## Unreleased
+
+## 0.1.0.0 - YYYY-MM-DD

backend/LICENSE

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+Copyright Author name here (c) 2023
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Author name here nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

backend/README.md

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+# jitsi-rooms

backend/Setup.hs

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+import Distribution.Simple
+main = defaultMain

backend/app/Main.hs

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+module Main (main) where
+
+import Lib
+
+main :: IO ()
+main = someFunc

backend/jitsi-rooms.cabal

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+cabal-version: 1.12
+
+-- This file has been generated from package.yaml by hpack version 0.35.1.
+--
+-- see: https://github.com/sol/hpack
+
+name:           jitsi-rooms
+version:        0.1.0.0
+description:    Please see the README on GitHub at <https://github.com/githubuser/jitsi-rooms#readme>
+homepage:       https://github.com/githubuser/jitsi-rooms#readme
+bug-reports:    https://github.com/githubuser/jitsi-rooms/issues
+author:         Author name here
+maintainer:     example@example.com
+copyright:      2023 Author name here
+license:        BSD3
+license-file:   LICENSE
+build-type:     Simple
+extra-source-files:
+    README.md
+    CHANGELOG.md
+
+source-repository head
+  type: git
+  location: https://github.com/githubuser/jitsi-rooms
+
+library
+  exposed-modules:
+      Lib
+  other-modules:
+      Paths_jitsi_rooms
+  hs-source-dirs:
+      src
+  ghc-options: -Wall -Wcompat -Widentities -Wincomplete-record-updates -Wincomplete-uni-patterns -Wmissing-export-lists -Wmissing-home-modules -Wpartial-fields -Wredundant-constraints
+  build-depends:
+      base >=4.7 && <5
+  default-language: Haskell2010
+
+executable jitsi-rooms-exe
+  main-is: Main.hs
+  other-modules:
+      Paths_jitsi_rooms
+  hs-source-dirs:
+      app
+  ghc-options: -Wall -Wcompat -Widentities -Wincomplete-record-updates -Wincomplete-uni-patterns -Wmissing-export-lists -Wmissing-home-modules -Wpartial-fields -Wredundant-constraints -threaded -rtsopts -with-rtsopts=-N
+  build-depends:
+      base >=4.7 && <5
+    , jitsi-rooms
+  default-language: Haskell2010
+
+test-suite jitsi-rooms-test
+  type: exitcode-stdio-1.0
+  main-is: Spec.hs
+  other-modules:
+      Paths_jitsi_rooms
+  hs-source-dirs:
+      test
+  ghc-options: -Wall -Wcompat -Widentities -Wincomplete-record-updates -Wincomplete-uni-patterns -Wmissing-export-lists -Wmissing-home-modules -Wpartial-fields -Wredundant-constraints -threaded -rtsopts -with-rtsopts=-N
+  build-depends:
+      base >=4.7 && <5
+    , jitsi-rooms
+  default-language: Haskell2010

backend/package.yaml

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+name:                jitsi-rooms
+version:             0.1.0.0
+github:              "githubuser/jitsi-rooms"
+license:             BSD3
+author:              "Author name here"
+maintainer:          "example@example.com"
+copyright:           "2023 Author name here"
+
+extra-source-files:
+- README.md
+- CHANGELOG.md
+
+# Metadata used when publishing your package
+# synopsis:            Short description of your package
+# category:            Web
+
+# To avoid duplicated efforts in documentation and dealing with the
+# complications of embedding Haddock markup inside cabal files, it is
+# common to point users to the README.md file.
+description:         Please see the README on GitHub at <https://github.com/githubuser/jitsi-rooms#readme>
+
+dependencies:
+- base >= 4.7 && < 5
+
+ghc-options:
+- -Wall
+- -Wcompat
+- -Widentities
+- -Wincomplete-record-updates
+- -Wincomplete-uni-patterns
+- -Wmissing-export-lists
+- -Wmissing-home-modules
+- -Wpartial-fields
+- -Wredundant-constraints
+
+library:
+  source-dirs: src
+
+executables:
+  jitsi-rooms-exe:
+    main:                Main.hs
+    source-dirs:         app
+    ghc-options:
+    - -threaded
+    - -rtsopts
+    - -with-rtsopts=-N
+    dependencies:
+    - jitsi-rooms
+
+tests:
+  jitsi-rooms-test:
+    main:                Spec.hs
+    source-dirs:         test
+    ghc-options:
+    - -threaded
+    - -rtsopts
+    - -with-rtsopts=-N
+    dependencies:
+    - jitsi-rooms

backend/src/Lib.hs

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+module Lib
+    ( someFunc
+    ) where
+
+someFunc :: IO ()
+someFunc = putS
+

backend/stack.yaml

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+# This file was automatically generated by 'stack init'
+#
+# Some commonly used options have been documented as comments in this file.
+# For advanced use and comprehensive documentation of the format, please see:
+# https://docs.haskellstack.org/en/stable/yaml_configuration/
+
+# Resolver to choose a 'specific' stackage snapshot or a compiler version.
+# A snapshot resolver dictates the compiler version and the set of packages
+# to be used for project dependencies. For example:
+#
+# resolver: lts-3.5
+# resolver: nightly-2015-09-21
+# resolver: ghc-7.10.2
+#
+# The location of a snapshot can be provided as a file or url. Stack assumes
+# a snapshot provided as a file might change, whereas a url resource does not.
+#
+# resolver: ./custom-snapshot.yaml
+# resolver: https://example.com/snapshots/2018-01-01.yaml
+resolver:
+  url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/20/6.yaml
+
+# User packages to be built.
+# Various formats can be used as shown in the example below.
+#
+# packages:
+# - some-directory
+# - https://example.com/foo/bar/baz-0.0.2.tar.gz
+#   subdirs:
+#   - auto-update
+#   - wai
+packages:
+- .
+# Dependency packages to be pulled from upstream that are not in the resolver.
+# These entries can reference officially published versions as well as
+# forks / in-progress versions pinned to a git hash. For example:
+#
+# extra-deps:
+# - acme-missiles-0.3
+# - git: https://github.com/commercialhaskell/stack.git
+#   commit: e7b331f14bcffb8367cd58fbfc8b40ec7642100a
+#
+# extra-deps: []
+
+# Override default flag values for local packages and extra-deps
+# flags: {}
+
+# Extra package databases containing global packages
+# extra-package-dbs: []
+
+# Control whether we use the GHC we find on the path
+# system-ghc: true
+#
+# Require a specific version of stack, using version ranges
+# require-stack-version: -any # Default
+# require-stack-version: ">=2.7"
+#
+# Override the architecture used by stack, especially useful on Windows
+# arch: i386
+# arch: x86_64
+#
+# Extra directories used by stack for building
+# extra-include-dirs: [/path/to/dir]
+# extra-lib-dirs: [/path/to/dir]
+#
+# Allow a newer minor version of GHC than the snapshot specifies
+# compiler-check: newer-minor

backend/stack.yaml.lock

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+# This file was autogenerated by Stack.
+# You should not edit this file by hand.
+# For more information, please see the documentation at:
+#   https://docs.haskellstack.org/en/stable/lock_files
+
+packages: []
+snapshots:
+- completed:
+    sha256: 4905c93319aa94aa53da8f41d614d7bacdbfe6c63a8c6132d32e6e62f24a9af4
+    size: 649315
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/20/6.yaml
+  original:
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/20/6.yaml

backend/test/Spec.hs

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+main :: IO ()
+main = putStrLn "Test suite not yet implemented"

prodsody/mod_jitsi_rooms.lua

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+---@diagnostic disable: deprecated
+local it = require "util.iterators";
+local json = require "util.json";
+local array = require "util.array";
+local iterators = require "util.iterators";
+local jid = require "util.jid";
+
+local async_handler_wrapper = module:require "util".async_handler_wrapper;
+local get_room_from_jid = module:require "util".get_room_from_jid;
+local muc_domain_prefix = module:get_option_string("muc_mapper_domain_prefix", "conference");
+local domain_name = "meet.jitsi"
+
+function debug_table_recursive(aTable, depth)
+    if (depth > 5) then
+        return ""
+    end
+    local result = {}
+    for key, value in pairs(aTable) do
+        --log("debug", key);
+        if (type(value) == "table")
+        then
+            table.insert(result, string.format("\"%s\":%s", tostring(key), debug_table_recursive(value, depth + 1)))
+        elseif (type(value) == "function")
+        then
+            --table.insert(result, string.format("\"%s\":%s", tostring(key), debug_table_recursive(it.join(value))))
+        else
+            table.insert(result, string.format("\"%s\":\"%s\"", tostring(key), tostring(value)))
+            --log("debug", key);
+        end
+    end
+    return "{" .. table.concat(result, ",") .. "}"
+end
+
+function get_participants_for_room(room_name)
+
+    local room_address = jid.join(room_name, muc_domain_prefix .. "." .. domain_name);
+    local room = get_room_from_jid(room_address);
+    local occupants_json = array();
+    if room then
+        local occupants = room._occupants;
+        if occupants then
+            participant_count = iterators.count(room:each_occupant());
+            for _, occupant in room:each_occupant() do
+                -- filter focus as we keep it as hidden participant
+                if string.sub(occupant.nick, -string.len("/focus")) ~= "/focus" then
+                    for _, pr in occupant:each_session() do
+                        local nick = pr:get_child_text("nick", "http://jabber.org/protocol/nick") or "";
+                        local email = pr:get_child_text("email") or "";
+                        local avatarURL = pr:get_child_text("avatarURL") or "" -- does not work :(
+                        occupants_json:push({
+                            jid = tostring(occupant.nick),
+                            email = tostring(email),
+                            display_name = tostring(nick),
+                            avatarURL = tostring(avatarURL)
+                        });
+                    end
+                end
+            end
+        end
+        log("debug",
+            "there are %s occupants in room", tostring(participant_count));
+        return occupants_json
+    else
+        log("debug", "no such room exists");
+    end
+    return occupants_json
+end
+
+function get_all_rooms_with_participants()
+
+    local sessions = prosody.full_sessions;
+
+    local someTable = (it.join(it.keys(sessions)));
+    local actual_rooms = someTable[1][2]
+
+    local roomNames = {}
+    for _, v in pairs(actual_rooms) do
+        table.insert(roomNames, v["jitsi_web_query_room"])
+    end
+
+    local rooms_with_participants = {}
+    for _, room_name in pairs(roomNames) do
+        rooms_with_participants[room_name] = get_participants_for_room(room_name)
+    end
+    return json.encode(rooms_with_participants)
+end
+
+--- Handles request for retrieving the room participants details
+-- @param event the http event, holds the request query
+-- @return GET response, containing a json with participants details
+function handle_get_sessions(event)
+    handle_room_event()
+    return { status_code = 200; body = get_all_rooms_with_participants() };
+end
+
+function module.load()
+    -- Ensure that mod_http is loaded:
+    --
+    module:depends("http");
+
+    -- Now publish our HTTP 'app':
+    module:log("info", "Hello! You can reach me at: %s", module:http_url());
+    module:provides("http", {
+        route = {
+            ["GET"] = function(event) return async_handler_wrapper(event, handle_get_sessions) end;
+
+        };
+    });
+end
+
+-------- event stuff
+--
+--
+--
+--
+--
+--
+--
+--
+--
+
+local http = require "net.http";
+local is_healthcheck_room = module:require "util".is_healthcheck_room;
+--- Start non-blocking HTTP call
+-- @param url URL to call
+-- @param options options table as expected by net.http where we provide optional headers, body or method.
+local function async_http_request(url, options)
+    local completed = false;
+    local timed_out = false;
+
+    local function cb_(response_body, response_code)
+        if not timed_out then -- request completed before timeout
+            completed = true;
+
+            module:log("debug", "%s %s returned code %s", options.method, url, response_code);
+        end
+    end
+
+    http.request(url, options, cb_);
+end
+
+--- Checks if event is triggered by healthchecks or focus user.
+function is_system_event(event)
+    if is_healthcheck_room(event.room.jid) then
+        return true;
+    end
+
+    if event.occupant and jid.node(event.occupant.jid) == "focus" then
+        return true;
+    end
+
+    return false;
+end
+
+function handle_room_event(event)
+    module:log('info', "hallo irgendwas ist passiert");
+    if is_system_event(event) then
+        return;
+    end
+
+    async_http_request("https://www.toptal.com/developers/postbin/1673793686086-1283829133026",
+        {
+            method = "POST",
+            body = get_all_rooms_with_participants()
+        })
+
+end
+
+--Helper function to wait till a component is loaded before running the given callback
+function run_when_component_loaded(component_host_name, callback)
+    local function trigger_callback()
+        module:log('info', 'Component loaded %s', component_host_name);
+        callback(module:context(component_host_name), component_host_name);
+    end
+
+    if prosody.hosts[component_host_name] == nil then
+        module:log('debug', 'Host %s not yet loaded. Will trigger when it is loaded.', component_host_name);
+        prosody.events.add_handler('host-activated', function(host)
+            if host == component_host_name then
+                trigger_callback();
+            end
+        end);
+    else
+        trigger_callback();
+    end
+end
+
+-- Helper function to wait till a component's muc module is loaded before running the given callback
+function run_when_muc_module_loaded(component_host_module, component_host_name, callback)
+    local function trigger_callback()
+        module:log('info', 'MUC module loaded for %s', component_host_name);
+        callback(prosody.hosts[component_host_name].modules.muc, component_host_module);
+    end
+
+    if prosody.hosts[component_host_name].modules.muc == nil then
+        module:log('debug', 'MUC module for %s not yet loaded. Will trigger when it is loaded.', component_host_name);
+        prosody.hosts[component_host_name].events.add_handler('module-loaded', function(event)
+            if (event.module == 'muc') then
+                trigger_callback();
+            end
+        end);
+    else
+        trigger_callback()
+    end
+end
+
+local main_muc_component_host = muc_domain_prefix .. "." .. domain_name
+-- Handle events on main muc module
+run_when_component_loaded(main_muc_component_host, function(host_module, host_name)
+    run_when_muc_module_loaded(host_module, host_name, function(main_muc, main_module)
+        main_muc_service = main_muc; -- so it can be accessed from breakout muc event handlers
+
+        -- the following must run after speakerstats (priority -1)
+        main_module:hook("muc-room-created", handle_room_event, -3); -- must run after handle_main_room_created
+        main_module:hook("muc-occupant-joined", handle_room_event, -2);
+        main_module:hook("muc-occupant-left", handle_room_event, -2);
+        main_module:hook("muc-room-destroyed", handle_room_event, -2);
+    end);
+end);