├── .gitignore ├── .gitlab-ci.yml ├── Dockerfile ├── LICENSE ├── README.md ├── data └── .gitkeep ├── examples ├── GUI_screenshot.png ├── ansible-tower.jinja2 ├── ansible-tower.json ├── example.nginx.conf ├── github.jinja2 ├── github.json ├── github_screenshot.png ├── gitlab.jinja2 ├── gitlab.json ├── grafana.jinja2 ├── grafana.json └── jinja2-to-json.sh ├── main.py ├── profiles.html └── requirements.txt /.gitignore: -------------------------------------------------------------------------------- 1 | .python-version 2 | db.sqlite3 3 | /__pycache__/ 4 | -------------------------------------------------------------------------------- /.gitlab-ci.yml: -------------------------------------------------------------------------------- 1 | # This file is a template, and might need editing before it works on your project. 2 | # To contribute improvements to CI/CD templates, please follow the Development guide at: 3 | # https://docs.gitlab.com/ee/development/cicd/templates.html 4 | # This specific template is located at: 5 | # https://gitlab.com/gitlab-org/gitlab/-/blob/master/lib/gitlab/ci/templates/Docker.gitlab-ci.yml 6 | 7 | # Build a Docker image with CI/CD and push to the GitLab registry. 8 | # Docker-in-Docker documentation: https://docs.gitlab.com/ee/ci/docker/using_docker_build.html 9 | # 10 | # This template uses one generic job with conditional builds 11 | # for the default branch and all other (MR) branches. 12 | 13 | docker-build: 14 | # Use the official docker image. 15 | image: docker:latest 16 | stage: build 17 | services: 18 | - docker:dind 19 | before_script: 20 | - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY 21 | # Default branch leaves tag empty (= latest tag) 22 | # All other branches are tagged with the escaped branch name (commit ref slug) 23 | script: 24 | - | 25 | if [[ "$CI_COMMIT_BRANCH" == "$CI_DEFAULT_BRANCH" ]]; then 26 | tag="" 27 | echo "Running on default branch '$CI_DEFAULT_BRANCH': tag = 'latest'" 28 | else 29 | tag=":$CI_COMMIT_REF_SLUG" 30 | echo "Running on branch '$CI_COMMIT_BRANCH': tag = $tag" 31 | fi 32 | - docker build --pull -t "$CI_REGISTRY_IMAGE${tag}" . 33 | - docker push "$CI_REGISTRY_IMAGE${tag}" 34 | # Run this job in a branch where a Dockerfile exists 35 | rules: 36 | - if: $CI_COMMIT_BRANCH 37 | exists: 38 | - Dockerfile 39 | -------------------------------------------------------------------------------- /Dockerfile: -------------------------------------------------------------------------------- 1 | # syntax=docker/dockerfile:1 2 | 3 | FROM python:alpine 4 | COPY requirements.txt ./ 5 | RUN apk add --no-cache --virtual .build-deps gcc g++ musl-dev \ 6 | && pip install --no-cache-dir -r requirements.txt \ 7 | && apk del .build-deps gcc g++ musl-dev 8 | RUN mkdir -p /app/data 9 | COPY main.py /app 10 | COPY profiles.html /app 11 | WORKDIR /app 12 | EXPOSE 8000/tcp 13 | CMD uvicorn --host 0.0.0.0 --port 8000 main:app 14 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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Limitation of Liability. 601 | 602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 610 | SUCH DAMAGES. 611 | 612 | 17. Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | {one line to give the program's name and a brief idea of what it does.} 635 | Copyright (C) {year} {name of author} 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | {project} Copyright (C) {year} {fullname} 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Matrix Webhook Receiver [![Matrix](https://img.shields.io/matrix/matrix-webhook-receiver:matrix.org?logo=matrix&label=chat&server_fqdn=matrix.org&style=for-the-badge)](https://matrix.to/#/#matrix-webhook-receiver:matrix.org) 2 | 3 | Companion "receiver" to [matrix-appservice-webhooks](https://github.com/turt2live/matrix-appservice-webhooks) for [\[matrix\]](https://matrix.org). 4 | 5 | Do you like to receive notifications in matrix? 6 | 7 | Matrix Webhook Receiver (MWR) is an add-on for the [matrix-appservice-webhooks](https://github.com/turt2live/matrix-appservice-webhooks) bridge. [Webhooks](https://en.wikipedia.org/wiki/Webhook) are essentially web interfaces for applications to "push" data to. 8 | The bridge can receive messages in a certain format, which is nice if the notifying app can be configured. Often it cannot. 9 | 10 | This is where MWR comes in: 11 | It can receive any (JSON) content, optionally reformat it nicely (customizable!), and forward it to the webhooks bridge which will post it to a room for you. If you are running any software service, chances are it can notify you via webhooks! 12 | 13 | ![example screenshot](examples/github_screenshot.png) 14 | 15 | The above example is from this project's [official \[matrix\] room](https://matrix.to/#/#matrix-webhook-receiver:matrix.org) with `msgtype` set to `notice` in a dark mode element desktop client. 16 | 17 | # Installation 18 | 19 | ### Requirements 20 | 21 | - Permission to create webhooks using a [matrix-appservice-webhooks](https://github.com/turt2live/matrix-appservice-webhooks) bridge running on a matrix server. You may want to run your own. This is very easy if you use the excellent [matrix-docker-ansible-deploy](https://github.com/spantaleev/matrix-docker-ansible-deploy) playbook: just enable the appservice. Since the upstream bridge is currently partly broken in that it does not support you to set avatars for your webhooks, I can recommend the fork [redoonetworks/matrix-appservice-webhooks](https://github.com/redoonetworks/matrix-appservice-webhooks) which I also use myself because let's face it: avatars are nice. 22 | 23 | - A server that is reachable over the internet (or at least your sending apps and your matrix server) 24/7 with open firewall, port forwarding, a fixed IP or dynamic DNS. It does not need to be your matrix server! 24 | 25 | - Use a reverse proxy like [nginx](https://nginx.com) to enable HTTP basic auth. Use HTTPS (e.g. [Let's Encrypt](https://letsencrypt.org)) to secure your credentials and data from anyone listening in. This is especially relevant for the profile management endpoints `/set`, `/delete/*`, `/profiles`, `/profile/*`, since otherwise anyone can edit your settings and send spam using your receiver. Any other endpoints should not require authentication since not all apps support it - your `whid` acts as authentication to post messages. There is an [nginx example](examples/example.nginx.conf) for your convenience. 26 | 27 | Set the environment variable `URL_PREFIX` if your reverse proxy is serving the app somewhere else than `/`, e.g. in the following case `URL_PREFIX="/webhooks"`. 28 | 29 | Since this app is built with [FastAPI](https://fastapi.tiangolo.com), it also hosts its own documentation at `docs`, e.g. https://example.org/webhooks/docs. 30 | 31 | ### With Python/pip 32 | 33 | 1. `git clone` this repo 34 | 2. create a virtual environment 35 | 3. `pip install -r requirements.txt` 36 | 4. run with `uvicorn main:app` 37 | 5. if your port 8000 is occupied, use `--port ` 38 | 39 | ### With Docker 40 | 41 | To begin, `git clone` this repo and `cd matrix-webhook-receiver`. 42 | 43 | ```shell 44 | docker build --tag matrix-webhook-receiver:latest . 45 | docker run --name matrix-webhook-receiver --mount "type=bind,src=$PWD/data,dst=/app/data" -p 8000:8000 matrix-webhook-receiver:latest 46 | ``` 47 | 48 | # Usage 49 | 50 | ## Profile Setup 51 | 52 | To use this app, you need to create a profile first. An admin GUI ([screenshot](examples/GUI_screenshot.png)) is included for easy access: if your Matrix-Webhook-Receiver is reachable at https://example.org/webhooks/ then the admin GUI is at https://example.org/webhooks/profiles. 53 | 54 | Choose an existing profile from the list at the top or create a new one. Don't forget to save and test after editing. 55 | 56 | - `whid` (WebHookID) is the secret unique identifier for its profile and can be any (URL-encoded) string. If you don't include a `whid`, a new profile with a new `whid` will be created instead. To "edit" the `whid`, create a new profile with the new `whid` and delete the old one. It is possible to choose a custom `whid` upon profile creation, but take care: it also acts as a password for posting with that profile, so choose wisely and **keep it secret**. 57 | 58 | - `token` is the alphanumeric ID after the last `/` in your webhook URL. 59 | 60 | - `url` is the rest of the webhook URL, starting in `http://` or `https://` and ending in `/`. 61 | 62 | - `displayName` can be freely chosen and will appear as the account posting your message to [matrix]. 63 | 64 | - `avatar` (optional, default: `None`) is supposed to set the avatar of said account (HTTP(S) or MXC URL to an image), but is currently [broken upstream](https://github.com/turt2live/matrix-appservice-webhooks/issues/72). 65 | 66 | - `defaultFormat` (optional, default: `plain`) sets the default value for `format` (`plain` or `html`), see [upstream README](https://github.com/turt2live/matrix-appservice-webhooks). You may also set a Jinja2 template that generates one of these values, [see below](#advanced-templating). 67 | 68 | - `defaultEmoji` (optional, default: `True`) sets the default `emoji` conversion behaviour, see [upstream README](https://github.com/turt2live/matrix-appservice-webhooks). 69 | 70 | - `defaultMsgtype` (optional, default: `plain`) sets the default value `msgtype` (`plain`, `notice`, `emote`), see [upstream README](https://github.com/turt2live/matrix-appservice-webhooks). You may also set a Jinja2 template that generates one of these values, [see below](#advanced-templating). 71 | 72 | - `template` (optional, default: `None`) is a [Jinja2](jinja2docs.readthedocs.io) template string. When Matrix-Webhook-Receiver receives a [post request](#post) and a template is installed in the profile, then the request body will be applied to the template and the result posted to matrix. This allows a profile to format a machine readable JSON webhook body into a pretty human readable message. Continue reading for [some examples](#example-templates). 73 | 74 | To update a profile, select it from the list and load it, make your changes, and save. It is possible to copy a profile by loading it and deleting the `whid`. 75 | 76 | ### Advanced Templating 77 | 78 | The `defaultFormat`/`format` and `defaultMsgtype`/`msgtype` fields can also accept Jinja2 templates which will be evaluated using the the JSON data sent from your app when the webhook is called. 79 | 80 | This can be useful if you want to vary the values of these fields depending on the state of the app, but the app doesn't allow you to add custom fields to its JSON. 81 | 82 | For example, Grafana Alerts have the states "alerting" and "ok" among others. Imagine you want to receive a ping when an alert is going off, but only quiet notifications otherwise. 83 | Although Grafana doesn't allow us to customize its JSON, we can do this by setting `"defaultMsgtype":"{% if state == 'alerting' %}text{% else %}notice{% endif %}"` in our profile. 84 | 85 | ### Profile Setup Using the JSON API (advanced) 86 | 87 | If you want to manage profiles non-interactively, have a look at the automatic documentation (e.g. https://example.org/webhooks/docs) to learn what endpoint exist and accept what data. 88 | 89 | I will quickly demonstrate how to interact with the app using `curl` since that makes it obvious what is going on, but you can substitute your favorite tool or app for that as long as it can POST JSON. 90 | 91 | 1. get a webhook URL using [matrix-appservice-webhooks](https://github.com/turt2live/matrix-appservice-webhooks) (`!webhook`). Tip: since matrix-appservice-webhooks does not support encryption (yet), use an unencrypted client like [matrix.sh](https://github.com/fabianonline/matrix.sh) to create webhooks for encrypted rooms. 92 | 2. make a POST request like the following: 93 | ```shell 94 | curl -X POST --header 'Content-Type: application/json' --data '{"token":"your-webhook-token","url":"https://matrix.example.org/appservice-webhooks/api/v1/matrix/hook/","displayName":"Choose Wisely","avatar":"http://example.org/some-image.jpg","defaultFormat":"plain","defaultEmoji":true,"defaultMsgtype":"text"}' https://example.org/webhooks/set 95 | ``` 96 | 97 | 3. note the returned `whid`, you need it to POST messages later 98 | 4. to delete a profile, send a DELETE request like this: `curl -X DELETE https://example.org/webhooks/delete/your-whid`. 99 | 5. to update any info, repeat step 2 but add `"whid":"your-whid"` to the request body: 100 | ```shell 101 | curl -X POST --header 'Content-Type: application/json' --data '{"token":"your-webhook-token","url":"https://matrix.example.org/appservice-webhooks/api/v1/matrix/hook/","displayName":"New Name","avatar":"http://example.org/some-image.jpg","whid":"your-whid"}' https://example.org/webhooks/set 102 | ``` 103 | 104 | ## Post 105 | 106 | Now you are ready to go! Grab your `whid`-URL and enter it into your app's webhook settings as the target/payload URL. Set content type to `application/json` if needed. 107 | 108 | No secret or authorization is required unless your setup exceeds the settings mentioned above. 109 | 110 | You may include the following fields in the JSON to override profile settings according to the [above explanation](#profile-setup), e.g. when `defaultMsgtype` is `"notice"`, set `"msgtype": "text"` to send this single message as a regular text message. 111 | - `format` 112 | - `msgtype` 113 | - `emoji` 114 | 115 | ### Post Manually/Custom 116 | 117 | 1. make a POST like the following: `curl --header 'Content-Type: application/json' --data '{"payload":"hello world"}' https://example.org/webhooks/whid`. Don't forget to supply credentials if you set up authorization in your reverse proxy. 118 | 2. supply optional fields to diverge from your default profile settings: `curl --header 'Content-Type: application/json' --data '{"payload":":beetle:", "emoji":true, "msgtype":"notice"}' https://example.org/webhooks/whid` 119 | 120 | ## Example Templates 121 | 122 | Look at the Jinja2 templates for an impression of how the final message may look like in [matrix]. 123 | The same template is also used in the respective profile template. Fill it in and use with `curl --header 'Content-Type: application/json' --data "@template-name.json" https://example.org/webhooks/set` (add `--user name:password` or similar for your basic auth). 124 | 125 | - Ansible Tower/AWX Notifications (Webhook with default messages): [Jinja2 template](examples/ansible-tower.jinja2), [profile template](examples/ansible-tower.json) 126 | - GitLab (webhook):[Jinja2 template](examples/gitlab.jinja2), [profile template](examples/gitlab.json) 127 | - GitHub (webhook): [Jinja2 template](examples/github.jinja2), [profile template](examples/github.json) 128 | - Grafana Alerts (webhook): [Jinja2 template](examples/grafana.jinja2), [profile template](examples/grafana.json) 129 | - submit yours! 130 | 131 | ## Tips & Tricks 132 | 133 | ### Encryption? 134 | 135 | matrix-appservice-webhooks does not support sending your webhook messages encrypted at this time (everybody is looking forward to [end-to-bridge encrytion](https://www.youtube.com/watch?v=55P-NdDa-UI)!). However that does not mean you cannot receive webhook messages into your otherwise encrypted room: use an unencrypted client like [matrix.sh](https://github.com/fabianonline/matrix.sh) to create webhooks for encrypted rooms (i.e. to issue the `!webhook` command), then continue normally. Just keep in mind that the webhook messages are not encrypted, as the red shield icon will remind you in element. 136 | 137 | ### Avatars! 138 | 139 | Since the upstream bridge is currently partly broken in that it does not support you to set avatars for your webhooks, I can recommend using this fork which I myself use: https://github.com/redoonetworks/matrix-appservice-webhooks. 140 | 141 | It seems that the bridge will reupload the avatar even though it has not changed. You can circumvent this by using an MXC URL. You can get it by inspecting the event source of a "Webhook changed their display name" event or other image events in your [matrix] client. 142 | 143 | ### Noisy Notifications 144 | 145 | If you monitor something important using webhooks, you might want to receive "noisy notifications" about it when it fails. [Advanced Templating](#advanced-templating) of the `msgtype` allows you to toggle between `notice` (silent) and normal notifications. You go beyond that by including your "noisy keywords", such as your display name, username, `@room`, or any other custom defined keywords (check out your client's settings!) in a message (template). A `notice` will ignore the keyword and remain silent, but a `plain` message with a keyword will now be noisy. 146 | 147 | ## Related Projects 148 | 149 | - https://github.com/turt2live/matrix-appservice-webhooks: Does the groundwork for this project. 150 | - https://github.com/redoonetworks/matrix-appservice-webhooks: Updated fork of the above. 151 | - https://github.com/Half-Shot/matrix-hookshot: A bridge between Matrix and multiple project management services, such as GitHub, GitLab, and JIRA, as well as generic webhooks. 152 | - https://github.com/immanuelfodor/matrix-encrypted-webhooks: Will forward any POST data it receives to [matrix]. 153 | - https://github.com/Jaedotmoe/gh-bot: "Maybe the worst (but simplest) Matrix webhook bot for Github", GitLab and Gitea. 154 | - https://github.com/matrix-org/go-neb#github: A bot that supports a GitHub plugin which can receive webhooks. 155 | - https://github.com/nim65s/matrix-webhook: Webhook bot supporting GitHub, GitLab, Grafana, and generic webhooks. 156 | -------------------------------------------------------------------------------- /data/.gitkeep: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/HarHarLinks/matrix-webhook-receiver/1c7fe8135e2e61935dd07e5872daa131ce0758d5/data/.gitkeep -------------------------------------------------------------------------------- /examples/GUI_screenshot.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/HarHarLinks/matrix-webhook-receiver/1c7fe8135e2e61935dd07e5872daa131ce0758d5/examples/GUI_screenshot.png -------------------------------------------------------------------------------- /examples/ansible-tower.jinja2: -------------------------------------------------------------------------------- 1 | {{ name }} (Job #{{ id }}) of project {{ project }}
2 | on inventory {{ inventory }} with credential {{ credential }}
3 | started {{ started }}{% if finished in not None %} - finished {{ finished }}{% endif %} status {{ status }}
4 | {% if hosts is defined %} 5 |
    6 | {% for name,properties in hosts.items() %} 7 |
  • {{ name }}: {% for p,v in properties %}{{ p }}: {{ v }},{% endfor %}
    • 8 | {% endfor %} 9 |
10 | {% endif %} 11 | -------------------------------------------------------------------------------- /examples/ansible-tower.json: -------------------------------------------------------------------------------- 1 | { 2 | "token": "your-appservice-webhooks-token", 3 | "url": "https://matrix.example.org/appservice-webhooks/api/v1/matrix/hook/", 4 | "displayName": "AWX", 5 | "avatar": "https://avatars.githubusercontent.com/u/1507452?s=200&v=4", 6 | "template": "{{ name }} (Job #{{ id }}) of project {{ project }}
on inventory {{ inventory }} with credential {{ credential }}
started {{ started }}{% if finished is not None %} - finished {{ finished }}{% endif %} status {{ status }}
{% if hosts is defined %}
    {% for name,properties in hosts.items() %}
  • {{ name }}: {% for p,v in properties %}{{ p }}: {{ v }},{% endfor %}
    • {% endfor %}
{% endif %}", 7 | "defaultFormat": "html", 8 | "defaultEmoji": false, 9 | "defaultMsgtype": "notice" 10 | } 11 | -------------------------------------------------------------------------------- /examples/example.nginx.conf: -------------------------------------------------------------------------------- 1 | server { 2 | listen 443 ssl http2; 3 | listen [::]:443 ssl http2; 4 | server_name example.com; 5 | ssl_certificate fullchain.pem; 6 | ssl_certificate_key privkey.pem; 7 | 8 | location ~ ^/webhooks/(set|docs|profiles)$ { 9 | proxy_pass http://localhost:8000/$1; 10 | auth_basic "protected"; 11 | auth_basic_user_file webhooks.htpasswd; 12 | } 13 | 14 | location ~ ^/webhooks/delete/(.*)$ { 15 | proxy_pass http://localhost:8000/delete/$1; 16 | auth_basic "protected"; 17 | auth_basic_user_file webhooks.htpasswd; 18 | } 19 | 20 | location ~ ^/webhooks/profile/(.*)$ { 21 | proxy_pass http://localhost:8000/profile/$1; 22 | auth_basic "protected"; 23 | auth_basic_user_file webhooks.htpasswd; 24 | } 25 | 26 | location ~ ^/webhooks/(.*)$ { 27 | proxy_pass http://localhost:8000/$1; 28 | } 29 | } 30 | -------------------------------------------------------------------------------- /examples/github.jinja2: -------------------------------------------------------------------------------- 1 | {% if pusher is defined or release is defined or discussion is defined or issue is defined or hook is defined or zen is defined or pull_request is defined %} 2 | [{{ repository.full_name }}]
3 | ## event is a push 4 | {% if pusher is defined %} 5 | {% if sender.login == pusher.name %}{{ sender.login }}{% else %}{{ pusher.name }}{% endif %}{% if forced %} force{% endif %} pushed {{ after[:7] }} to {% if 'refs/heads/' in ref %}branch {{ ref|replace('refs/heads/', '') }}{% else %}{{ ref }}{% endif %}:
6 |
    7 | {% for c in commits %} 8 |
  • {{ c.author.name }}: {{ c.message }}
    • 9 | {% endfor %} 10 |
11 | ## event is a release 12 | {% elif release is defined %} 13 | {% if sender.id == release.author.id %}{{ sender.login }}{% else %}{{ release.author.name }}{% endif %} {{ action }} {{ release.tag_name }}{% if prerelease %} (prerelease){% endif %} based on {{ release.target_commitish }}
14 | ## event is a discussion 15 | {% elif discussion is defined %} 16 | {{ discussion.user.login }} {{ action }} discussion #{{ discussion.number }} {{ discussion.title }} [{{ state }}]{% if discussion.answer_html_url %} (go to answer){% endif %}
17 | ## event is an issue or issue_comment 18 | {% elif issue is defined %} 19 | {% if comment is defined %}{{ comment.user.login }}{% else %}{{ issue.user.login }}{% endif %} {{action}}{% if action in ['assigned', 'unassigned'] %} {{ issue.assignee.login }} to{% elif comment is defined %} a comment on {% endif %} issue #{{ issue.number }} {{ issue.title }} [{{ issue.state }}]{% if action in ['labeled', 'unlabeled'] %} {{ issue.label.name }}{% endif %}
20 | ## event is meta 21 | {% elif hook is defined %} 22 | {% if action == 'deleted' %} 23 | {{ sender.login }} {{ action }} webhook "{{ hook.name }}"
24 | {% elif zen is defined %} 25 | {{ sender.login }} created webhook "{{ hook.name }}"
26 | {{ zen }}
27 | ## event is pull_request, pull_request_review, pull_request_review_comment, pull_request_review_thread 28 | {% elif pull_request is defined %} 29 | {% if review is defined %} 30 | {{ review.user.login }} {{ action }} a review of 31 | {% elif comment is defined %} 32 | {{ comment.user.login }} {{ action }} a comment to a review of 33 | {% else %} 34 | {{ pull_request.user.login }} {{ action }} {% if merged is sameas true %}(merged) {% endif %} 35 | {% endif %} 36 | PR #{{ pull_request.number }} {{ pull_request.title }} [{{ pull_request.state }}]
37 | {% endif %} 38 | {% endif %} 39 | {% endif %} 40 | -------------------------------------------------------------------------------- /examples/github.json: -------------------------------------------------------------------------------- 1 | { 2 | "token": "your-appservice-webhooks-token", 3 | "url": "https://matrix.example.org/appservice-webhooks/api/v1/matrix/hook/", 4 | "displayName": "GitHub", 5 | "avatar": "https://github.githubassets.com/images/modules/logos_page/GitHub-Mark.png", 6 | "template": "{% if pusher is defined or release is defined or discussion is defined or issue is defined or hook is defined or zen is defined or pull_request is defined %}[{{ repository.full_name }}]
{% if pusher is defined %}{% if sender.login == pusher.name %}{{ sender.login }}{% else %}{{ pusher.name }}{% endif %}{% if forced %} force{% endif %} pushed {{ after[:7] }} to {% if 'refs/heads/' in ref %}branch {{ ref|replace('refs/heads/', '') }}{% else %}{{ ref }}{% endif %}:
{% elif release is defined %}{% if sender.id == release.author.id %}{{ sender.login }}{% else %}{{ release.author.name }}{% endif %} {{ action }} {{ release.tag_name }}{% if prerelease %} (prerelease){% endif %} based on {{ release.target_commitish }}
{% elif discussion is defined %}{{ discussion.user.login }} {{ action }} discussion #{{ discussion.number }} {{ discussion.title }} [{{ state }}]{% if discussion.answer_html_url %} (go to answer){% endif %}
{% elif issue is defined %}{% if comment is defined %}{{ comment.user.login }}{% else %}{{ issue.user.login }}{% endif %} {{action}}{% if action in ['assigned', 'unassigned'] %} {{ issue.assignee.login }} to{% elif comment is defined %} a comment on {% endif %} issue #{{ issue.number }} {{ issue.title }} [{{ issue.state }}]{% if action in ['labeled', 'unlabeled'] %} {{ issue.label.name }}{% endif %}
{% elif hook is defined %}{% if action == 'deleted' %}{{ sender.login }} {{ action }} webhook \"{{ hook.name }}\"
{% elif zen is defined %}{{ sender.login }} created webhook \"{{ hook.name }}\"
{{ zen }}
{% elif pull_request is defined %}{% if review is defined %}{{ review.user.login }} {{ action }} a review of{% elif comment is defined %}{{ comment.user.login }} {{ action }} a comment to a review of{% else %}{{ pull_request.user.login }} {{ action }} {% if merged is sameas true %}(merged) {% endif %}{% endif %}PR #{{ pull_request.number }} {{ pull_request.title }} [{{ pull_request.state }}]
{% endif %}{% endif %}{% endif %}", 7 | "defaultFormat": "html", 8 | "defaultEmoji": false, 9 | "defaultMsgtype": "notice" 10 | } 11 | -------------------------------------------------------------------------------- /examples/github_screenshot.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/HarHarLinks/matrix-webhook-receiver/1c7fe8135e2e61935dd07e5872daa131ce0758d5/examples/github_screenshot.png -------------------------------------------------------------------------------- /examples/gitlab.jinja2: -------------------------------------------------------------------------------- 1 | {% if object_kind in ['push', 'build'] %} 2 | {% if event_name is defined and event_name == 'push' %} 3 | [{{ project.path_with_namespace }}]
4 | {{ user_name }} pushed {{ checkout_sha[:7] }} to {% if 'refs/heads/' in ref %}branch {{ ref|replace('refs/heads/', '') }}{% else %}{{ ref }}{% endif %}
5 | {% if commits %} 6 | commits:
7 |
    8 | {% for c in (commits|sort(reverse=true, attribute='timestamp'))[:18] %} 9 |
  • {{ c.id[:7] }} {{ c.author.name }}: {{ c.title }}
    • 10 | {% endfor %} 11 | {% if (commits|length) is ge 20 %} 12 |
  • view more commits on GitLab
    • 13 | {% endif %} 14 |
15 | {% endif %} 16 | {% elif object_kind == 'build' %} 17 | [{{ project_name }}]
18 | CI build {{ build_status }} #{{ build_id }}
19 | ref {{ ref }} (HEAD commit {{ commit.sha[:7] }} "{{ commit.message|trim }}")
20 | using configuration {{ build_name }}{% if runner %} on runner {{ runner.description }}{% endif %}
21 | {% endif %} 22 | {% elif object_kind == 'pipeline' %}[{{ project.path_with_namespace }}]
23 | CI pipeline {{ object_attributes.detailed_status }} #{{ object_attributes.id }} ref {{ object_attributes.ref }} (commit {{ commit.id[:7] }} "{{ commit.message|trim }}")
24 | {% if builds %} 25 |
    26 | {% for build in builds %} 27 |
  1. #{{ build.id }} {{ build.name }}{% if build.runner is sameas true %} on runner {{ build.runner.description }}{% endif %}
    2. 28 | {% endfor %} 29 |
30 | {% endif %}{% endif %} 31 | -------------------------------------------------------------------------------- /examples/gitlab.json: -------------------------------------------------------------------------------- 1 | { 2 | "token": "your-appservice-webhooks-token", 3 | "url": "https://matrix.example.org/appservice-webhooks/api/v1/matrix/hook/", 4 | "displayName": "GitLab", 5 | "avatar": "https://i.gyazo.com/thumb/1000/566debcae9702858a0ae487543e58123-png.png", 6 | "template": "{% if object_kind in ['push', 'build'] %}{% if event_name is defined and event_name == 'push' %}[{{ project.path_with_namespace }}]
{{ user_name }} pushed {{ checkout_sha[:7] }} to {% if 'refs/heads/' in ref %}branch {{ ref|replace('refs/heads/', '') }}{% else %}{{ ref }}{% endif %}
{% if commits %}commits:
{% endif %}{% elif object_kind == 'build' and build_status in ['failed', 'success'] %}[{{ project_name }}]
CI build {{ build_status }} #{{ build_id }}
ref {{ ref }} (HEAD commit {{ commit.sha[:7] }} \"{{ commit.message|trim }}\")
using configuration {{ build_name }}{% if runner %} on runner {{ runner.description }}{% endif %}
{% endif %}{% elif object_kind == 'pipeline' %}[{{ project.path_with_namespace }}]
CI pipeline {{ object_attributes.detailed_status }} #{{ object_attributes.id }} ref {{ object_attributes.ref }} (commit {{ commit.id[:7] }} \"{{ commit.message|trim }}\")
{% if builds %}
    {% for build in builds %}
  1. #{{ build.id }} {{ build.name }}{% if build.runner is sameas true %} on runner {{ build.runner.description }}{% endif %}
    2. {% endfor %}
{% endif %}{% endif %}", 7 | "defaultFormat": "html", 8 | "defaultEmoji": false, 9 | "defaultMsgtype": "{% if build_status is defined and build_status == 'failed' %}plain{% else %}notice{% endif %}" 10 | } 11 | -------------------------------------------------------------------------------- /examples/grafana.jinja2: -------------------------------------------------------------------------------- 1 | {{ title }}
2 | {{ message }}
3 | {{ ruleName }}: {{ state }}
4 |
    5 | {% for e in evalMatches %} 6 |
  • {{ e.metric }}: {{ e.value }}{% if e.tags %} ({% for key, value in e.tags.items() %}{{ key|e }}: {{ value|e }},{% endfor %}){% endif %}
    • 7 | {% endfor %} 8 |
9 | -------------------------------------------------------------------------------- /examples/grafana.json: -------------------------------------------------------------------------------- 1 | { 2 | "token": "your-appservice-webhooks-token", 3 | "url": "https://matrix.example.org/appservice-webhooks/api/v1/matrix/hook/", 4 | "displayName": "Grafana", 5 | "avatar": "https://grafana.com/static/img/about/grafana_logo_swirl_fullcolor.jpg", 6 | "template": "{{ title }}
{{ message }}
{{ ruleName }}: {{ state }}
    {% for e in evalMatches %}
  • {{ e.metric }}: {{ e.value }}{% if e.tags %} ({% for key, value in e.tags.items() %}{{ key|e }}: {{ value|e }},{% endfor %}){% endif %}
    • {% endfor %}
", 7 | "defaultFormat": "html", 8 | "defaultEmoji": false, 9 | "defaultMsgtype": "{% if state == 'alerting' %}text{% else %}notice{% endif %}" 10 | } 11 | -------------------------------------------------------------------------------- /examples/jinja2-to-json.sh: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env bash 2 | # removes comment lines 3 | # escapes " double quotes 4 | # removes newlines 5 | 6 | < "$1" sed 's/^##.*$//gm' | sed 's/"/\\"/gm' | tr -d '\n' 7 | -------------------------------------------------------------------------------- /main.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | 3 | from sqlalchemy import create_engine 4 | from sqlalchemy.ext.declarative import declarative_base 5 | from sqlalchemy import Column, Integer, String, Boolean 6 | from sqlalchemy.orm import sessionmaker 7 | import requests 8 | from typing import Optional 9 | from fastapi import FastAPI, Response, Body, Request, Header 10 | from fastapi.responses import HTMLResponse 11 | from pydantic import BaseModel, HttpUrl, stricturl 12 | from urllib.parse import urlparse 13 | import hashlib 14 | import uuid 15 | import os 16 | import json 17 | from jinja2 import Environment, DebugUndefined 18 | 19 | 20 | engine = create_engine('sqlite:///data/db.sqlite3', connect_args={"check_same_thread": False}) 21 | Base = declarative_base() 22 | 23 | class Webhook(Base): 24 | __tablename__ = 'webhooks' 25 | 26 | whid = Column(String, primary_key=True) 27 | token = Column(String) 28 | url = Column(String) 29 | displayName = Column(String) 30 | avatar = Column(String) 31 | template = Column(String) 32 | defaultFormat = Column(String) 33 | defaultEmoji = Column(Boolean) 34 | defaultMsgtype = Column(String) 35 | 36 | class CreateWebhook(BaseModel): 37 | whid: Optional[str] = None 38 | token: str 39 | url: HttpUrl 40 | displayName: str 41 | template: Optional[str] = None 42 | avatar: Optional[stricturl(allowed_schemes={'http', 'https', 'mxc'})] = '' 43 | defaultFormat: Optional[str] = 'plain' # or html 44 | defaultEmoji: Optional[bool] = True 45 | defaultMsgtype: Optional[str] = 'plain' # or notice or emote 46 | 47 | Base.metadata.create_all(engine) 48 | Session = sessionmaker(bind=engine) 49 | session = Session() 50 | 51 | app = FastAPI( 52 | title="matrix-webhook-receiver", 53 | description="Companion receiver to matrix-appservice-webhooks for matrix.", 54 | version="1.1.0", 55 | contact={ 56 | "name": "HarHarLinks", 57 | "url": "https://github.com/HarHarLinks/matrix-webhook-receiver" 58 | }, 59 | redoc_url=None, 60 | root_path=os.environ.get('URL_PREFIX', '') 61 | ) 62 | 63 | jinja2_extensions=['jinja2.ext.loopcontrols'] 64 | 65 | @app.post('/set', status_code=201) 66 | def add(new_hook: CreateWebhook, response: Response): 67 | # verify template is valid jinja2 68 | if new_hook.template is not None: 69 | env = Environment(extensions=jinja2_extensions) 70 | try: 71 | env.parse(new_hook.template) 72 | except SyntaxError: 73 | response.status_code = 400 74 | return "invalid Jinja2 syntax" 75 | 76 | # create new token/primary key if not passed 77 | whid = new_hook.whid 78 | if whid is None or whid == '': 79 | whid = hashlib.sha256() 80 | whid.update(str(uuid.uuid4()).encode('utf-8')) 81 | whid = whid.hexdigest() 82 | 83 | # if the token exists update the db, else insert 84 | webhook = session.query(Webhook).filter_by(whid=whid).one_or_none() 85 | 86 | if webhook is None: 87 | session.add(Webhook(whid=whid, 88 | token=new_hook.token, 89 | url=str(new_hook.url), 90 | displayName=new_hook.displayName, 91 | avatar=str(new_hook.avatar), 92 | template=new_hook.template, 93 | defaultFormat=new_hook.defaultFormat, 94 | defaultEmoji=new_hook.defaultEmoji, 95 | defaultMsgtype=new_hook.defaultMsgtype)) 96 | else: 97 | webhook.token = new_hook.token 98 | webhook.url = str(new_hook.url) 99 | webhook.displayName = new_hook.displayName 100 | webhook.avatar = str(new_hook.avatar) 101 | webhook.template = new_hook.template 102 | webhook.defaultFormat = new_hook.defaultFormat 103 | webhook.defaultEmoji = new_hook.defaultEmoji 104 | webhook.defaultMsgtype = new_hook.defaultMsgtype 105 | 106 | session.commit() 107 | return {"whid": whid} 108 | 109 | @app.get('/profiles') 110 | def get_profiles(accept: Optional[str] = Header(None)): 111 | print(accept) 112 | if accept is not None and 'application/json' in accept: 113 | webhooks = session.query(Webhook) 114 | for webhook in webhooks: 115 | if urlparse(url=webhook.avatar).scheme not in ['http', 'https', 'mxc']: 116 | print(f"not a url: {webhook.avatar}") 117 | webhook.avatar = '' 118 | return list(webhooks) 119 | else: 120 | with open('profiles.html', 'r') as htmlpage: 121 | return HTMLResponse(content=htmlpage.read()) 122 | 123 | @app.get('/profile/{whid}') 124 | def get_profiles(whid: str): 125 | webhook = session.query(Webhook).filter_by(whid=whid).one_or_none() 126 | if urlparse(url=webhook.avatar).scheme not in ['http', 'https', 'mxc']: 127 | print(f"not a url: {webhook.avatar}") 128 | webhook.avatar = '' 129 | return webhook 130 | 131 | @app.delete('/delete/{whid}', status_code=204) 132 | def delete(whid: str): 133 | webhook = session.query(Webhook).filter_by(whid=whid).one_or_none() 134 | if webhook is not None: 135 | session.delete(webhook) 136 | session.commit() 137 | return Response(status_code=204) 138 | 139 | @app.post('/{whid}') 140 | def receive(whid: str, post: dict = Body(...)): 141 | # get data frame from db 142 | webhook = session.query(Webhook).filter_by(whid=whid).one_or_none() 143 | if webhook is None: 144 | return Response(status_code=404) 145 | 146 | env = Environment(undefined=DebugUndefined, extensions=jinja2_extensions) 147 | 148 | if webhook.template is None or webhook.template == '': 149 | # sadly the bridge converts the first newline char 150 | # right after the first opening curly brace 151 | # into a
for some reason, which isn't great. 152 | # when we prefix the message as we do here, instead 153 | # the newline char before the code block is converted, 154 | # working around the upstream bug 155 | payload = f"raw message:\n
{json.dumps(post, sort_keys=False, indent=4)}\n
\n" 156 | post['format'] = 'html' 157 | else: 158 | template = env.from_string(webhook.template) 159 | payload = template.render(post) 160 | 161 | if len(payload) == 0: 162 | return Response(status_code=400) 163 | 164 | format = post.get('format') or webhook.defaultFormat 165 | if format not in ('plain', 'html'): 166 | template = env.from_string(format) 167 | format = template.render(post) 168 | 169 | avatar = None if urlparse(url=webhook.avatar).scheme not in ['http', 'https', 'mxc'] else webhook.avatar 170 | 171 | if webhook.defaultMsgtype != 'plain': 172 | msgtype = webhook.defaultMsgtype 173 | if post.get('msgtype') is not None: 174 | msgtype = post.get('msgtype') 175 | if msgtype is not None and msgtype not in ('text', 'notice', 'emote'): 176 | template = env.from_string(msgtype) 177 | msgtype = template.render(post) 178 | 179 | data = { 180 | "text": payload, 181 | "format": format, 182 | "displayName": webhook.displayName, 183 | "emoji": webhook.defaultEmoji if post.get('emoji') is None else post.get('emoji') 184 | } 185 | if avatar is not None: 186 | data['avatar_url'] = avatar 187 | data['avatarUrl'] = avatar 188 | if msgtype is not None: 189 | data['msgtype'] = msgtype 190 | 191 | response = requests.post(webhook.url + webhook.token, json=data) 192 | return response.json() 193 | -------------------------------------------------------------------------------- /profiles.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 228 | 383 | Webhook Profiles 384 | 385 | 386 | 387 |

Matrix Webhook Receiver

388 |

389 | Documentation and source 390 |
391 | API Documentation 392 |

393 |
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395 |

Current Profiles

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View & Edit Profile

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501 | 502 | The template HTML gets cleaned with DOMPurify. 503 |
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509 | 510 | 511 | Fields with * are required. whid gets automatically populated when left empty. 512 |
513 |
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515 |
516 | 517 | 518 | -------------------------------------------------------------------------------- /requirements.txt: -------------------------------------------------------------------------------- 1 | uvicorn 2 | fastapi 3 | requests 4 | sqlalchemy 5 | jinja2 6 | --------------------------------------------------------------------------------