matrix_tools
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| - | ====== Matrix ====== | + | ====== Matrix Command Line Tools ====== |
| + | |||
| + | ===== Git ===== | ||
| + | You can [[https://coding.openguide.co.uk/gitweb/?p=matrix-cli;a=summary|view the repository]] or clone the code directory from my repository: | ||
| + | <code bash> | ||
| + | git clone https://coding.openguide.co.uk/git/gemini-php/ | ||
| + | </code> | ||
| + | |||
| ===== Documentation ===== | ===== Documentation ===== | ||
| * https://matrix.org/docs/api/client-server/#/ | * https://matrix.org/docs/api/client-server/#/ | ||
| Line 114: | Line 122: | ||
| ===== Matrix Bot ===== | ===== Matrix Bot ===== | ||
| - | The basis of my bot's interaction with Matrix is bascially the above code. Replace the echo line with with whatever you want to do (in my case, I look up a list of rules [i.e. pairs of regexes and their response functions] I use in IRC from a database and act accordingly). | + | The basis of my bot's interaction with Matrix is basically the above code. Replace the echo line with with whatever you want to do (in my case, I look up a list of rules [i.e. pairs of regexes and their response functions] I use in IRC from a database and act accordingly). |
| ===== Posting images to a room ===== | ===== Posting images to a room ===== | ||
| Media must first be uploaded to your homeserver, then you can send a new message, as above, using the ''m.image'' event type. Here is an example in PHP that works as a 'copy' command. | Media must first be uploaded to your homeserver, then you can send a new message, as above, using the ''m.image'' event type. Here is an example in PHP that works as a 'copy' command. | ||
| <code php matrix_cp.php> | <code php matrix_cp.php> | ||
| + | #!/usr/bin/php | ||
| + | # Usage example: matrix_cp /tmp/test.jpg glasgow | ||
| + | # this will send the test.jpg to the glasgow room | ||
| + | # this also supports remote URLs | ||
| + | <?php | ||
| + | $usage = "Usage: ".$argv[0]." filename room_name alt_text[optional]\n"; | ||
| + | $filename = ""; | ||
| + | $room_name = "#pythia"; | ||
| + | $alt_text = "Image attachment"; | ||
| + | $homeserver = "glasgow.social"; | ||
| + | $access_token = "access_token_goes_here" | ||
| + | // I have a lookup list of friendly room names to full IDs here | ||
| + | $channels["glasgow"] = "!BOrDFgeDdZZbUvfjjs:glasgow.social"; | ||
| + | if(!empty($argv[2])) | ||
| + | $room_name = $argv[2]; | ||
| + | if(!empty($argv[3])) | ||
| + | $alt_text = $argv[3]; | ||
| + | |||
| + | $room = $channels[$room_name]; | ||
| + | if(empty($room)) | ||
| + | die($room_name." not in room list"); | ||
| + | |||
| + | if(empty($argv[1])) | ||
| + | die("Filename is required. $usage"); | ||
| + | |||
| + | $filename = $argv[1]; | ||
| + | $image_data = file_get_contents($filename); | ||
| + | |||
| + | // this whole temporary file saving is all done to support mime_type lookups for remote URLs | ||
| + | $tmp_filename = "/tmp/".md5($argv[0].time()); | ||
| + | |||
| + | if(empty($image_data)) | ||
| + | die("Unable to read file location"); | ||
| + | file_put_contents($tmp_filename, $image_data); | ||
| + | $mime_type = mime_content_type($tmp_filename); | ||
| + | |||
| + | $url = "https://$homeserver/_matrix/media/r0/upload?access_token=$access_token"; | ||
| + | $ch = curl_init($url); | ||
| + | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); | ||
| + | curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: $mime_type")); | ||
| + | curl_setopt($ch, CURLOPT_POSTFIELDS, $image_data); | ||
| + | $response = curl_exec($ch); | ||
| + | |||
| + | if(!empty($response_json['content_uri'])) { | ||
| + | $url = "https://$homeserver/_matrix/client/r0/rooms/$room/send/m.room.message?access_token=$access_token"; | ||
| + | $msgtype = "m.image"; | ||
| + | $mxc_url = $response_json['content_uri']; | ||
| + | $ch = curl_init($url); | ||
| + | $payload = json_encode(array("msgtype"=>$msgtype, "body"=>$alt_text, "url"=>$mxc_url)); | ||
| + | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); | ||
| + | curl_setopt($ch, CURLOPT_POSTFIELDS, $payload); | ||
| + | $response = curl_exec($ch); | ||
| + | // SUCCESS. No output. | ||
| + | } else { | ||
| + | echo "Error uploading $filename. "; | ||
| + | echo implode(" : ", $response_json)."\n"; | ||
| + | } | ||
| </code> | </code> | ||
| + | You can copy this file to your bin directory and use it on the command line with: | ||
| - | in bash that first uploads the file, then posts it to the room. I've named it matrix_cp as it basically lets you copy a image to the room: | + | <code bash> |
| - | <code bash matrix_cp.sh> | + | matrix_cp /tmp/example.jpg glasgow "This is an example image" |
| - | #!/bin/bash | + | |
| - | # Usage: | + | |
| - | # ./matrix_cp filename room_id alt_text | + | |
| - | msgtype=m.text | + | |
| - | homeserver=glasgow.social | + | |
| - | room=!BOrDFgeDdZZbUvfjjs:glasgow.social | + | |
| - | access_token=put_your_user_access_token_here | + | |
| </code> | </code> | ||
| + | |||
| + | |||
matrix_tools.txt · Last modified: 2023/12/27 13:45 by admin
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