A simple file server for handling XMPP http_upload requests. This server is meant to be used with the Prosody mod_http_upload_external module.
Despite the name, this server is also compatible with Ejabberd and Ejabberd's http_upload module!
Originally this software was written to circumvent memory limitations / issues with the Prosody-internal http_upload implementation at the time. These limitations do not exist, anymore. Still this software can be used with Ejabberd and Prosody as an alternative to the internal http_upload servers.
If you are using regular x86_64 Linux, you can download a finished binary for your system on the release page. No need to compile this application yourself.
If you're using something different than a x64 Linux, you need to compile this application yourself.
To compile the server, you need a full Golang development environment. This can be set up quickly: https://golang.org/doc/install#install
Then checkout this repo:
go install github.com/ThomasLeister/prosody-filerand switch to the new directory:
cd $GOPATH/src/github.com/ThomasLeister/prosody-filerThe application can now be build:
### Build static binary
./build.sh
### OR regular Go build
go build prosody-filer.goCreate a new user for Prosody Filer to run as:
adduser --disabled-login --disabled-password prosody-filerSwitch to the new user:
su - prosody-filerCopy
- the binary
prosody-filerand - config
config.example.toml
to /home/prosody-filer/. Rename the configuration to config.toml.
Make sure the prosody-filer binary is executable:
chmod u+x prosody-filer
Back in your root shell make sure mod_http_upload is disabled and mod_http_upload_external is enabled! Then configure the external upload module:
Component "uploads.myserver.tld" "http_upload_external"
http_upload_external_base_url = "https://uploads.myserver.tld/upload/"
http_upload_external_secret = "mysecret"
http_upload_external_file_size_limit = 50000000 -- 50 MBRestart Prosody when you are finished:
systemctl restart prosody
Although this tool is named after Prosody, it can be used with Ejabberd, too! Make sure you have a Ejabberd configuration similar to this:
mod_http_upload:
put_url: "https://uploads.@HOST@/upload"
external_secret: "mysecret"
max_size: 52428800Prosody Filer configuration is done via the config.toml file in TOML syntax. There's not much to be configured. The most important piece is the secret setting, which needs to match the secret defined in your mod_http_upload_external settings!
### IP address and port to listen to, e.g. "[::]:5050"
listenport = "[::1]:5050"
### Secret (must match the one in prosody.conf.lua!)
secret = "mysecret"
### Where to store the uploaded files
storeDir = "./upload/"
### Subdirectory for HTTP upload / download requests (usually "upload/")
uploadSubDir = "upload/"In addition to that, make sure that the nginx user or group can read the files uploaded via prosody-filer if you want to have them served by nginx directly.
To build container:
docker build . -t prosody-filer:latest
To run container use:
docker run -it --rm -v $PWD/config.example.toml:/config.toml prosody-filer -config /config.toml
Create a new Systemd service file: /etc/systemd/system/prosody-filer.service
[Unit]
Description=Prosody file upload server
[Service]
Type=simple
ExecStart=/home/prosody-filer/prosody-filer
Restart=always
WorkingDirectory=/home/prosody-filer
User=prosody-filer
Group=prosody-filer
# Group=nginx # if the files should get served by nginx directly:
[Install]
WantedBy=multi-user.target
Reload the service definitions, enable the service and start it:
systemctl daemon-reload
systemctl enable prosody-filer
systemctl start prosody-filer
Done! Prosody Filer is now listening on the specified port and waiting for requests.
- First, install go and build the static binary with
go install github.com/ThomasLeister/prosody-filer. The binary should be in~/go/bin/prosody-filer. - Create an user with
pw user add -n prosodyfiler -c 'Prosody Filer' -d /home/prosodyfiler -m -s /usr/sbin/nologinand copy the binary into/home/prosodyfiler/. - Put this rc script in
/etc/rc.d/prosody-filer:
#!/bin/sh
# PROVIDE: prosody_filer
# REQUIRE: FILESYSTEMS networking
# KEYWORDS: upload
. /etc/rc.subr
name="prosody_filer"
program_name="prosody-filer"
title="Prosody-Filer"
rcvar=prosody_filer_enable
prosody_filer_user="prosodyfiler"
prosody_filer_group="prosodyfiler"
prosody_filer_chdir="/home/prosodyfiler/"
pidfile="/home/prosodyfiler/${program_name}.pid"
required_files="/home/prosodyfiler/config.toml"
exec_path="/home/prosodyfiler/${program_name}"
output_file="/var/log/${program_name}.log"
command="/usr/sbin/daemon"
command_args="-r -t ${title} -o ${output_file} -P ${pidfile} -f ${exec_path}"
load_rc_config $name
- Execute
sysrc prosody_filer_enable=YES
You can now start the service via service prosody_filer start and check
it's log via /var/log/prosody-filer.log.
Create a new config file /etc/nginx/sites-available/uploads.myserver.tld:
server {
listen 80;
listen [::]:80;
listen 443 ssl;
listen [::]:443 ssl;
server_name uploads.myserver.tld;
ssl_certificate /etc/letsencrypt/live/uploads.myserver.tld/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/uploads.myserver.tld/privkey.pem;
client_max_body_size 50m;
location /upload/ {
if ( $request_method = OPTIONS ) {
add_header Access-Control-Allow-Origin '*';
add_header Access-Control-Allow-Methods 'PUT, GET, OPTIONS, HEAD';
add_header Access-Control-Allow-Headers 'Authorization, Content-Type';
add_header Access-Control-Allow-Credentials 'true';
add_header Content-Length 0;
add_header Content-Type text/plain;
return 200;
}
proxy_pass http://[::]:5050/upload/;
proxy_request_buffering off;
}
}Enable the new config:
ln -s /etc/nginx/sites-available/uploads.myserver.tld /etc/nginx/sites-enabled/
Check Nginx config:
nginx -t
Reload Nginx:
systemctl reload nginx
(not officially supported - user contribution!)
server {
listen 80;
listen [::]:80;
listen 443 ssl;
listen [::]:443 ssl;
server_name uploads.myserver.tld;
ssl_certificate /etc/letsencrypt/live/uploads.myserver.tld/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/uploads.myserver.tld/privkey.pem;
location /upload/ {
if ( $request_method = OPTIONS ) {
add_header Access-Control-Allow-Origin '*';
add_header Access-Control-Allow-Methods 'PUT, GET, OPTIONS, HEAD';
add_header Access-Control-Allow-Headers 'Authorization, Content-Type';
add_header Access-Control-Allow-Credentials 'true';
add_header Content-Length 0;
add_header Content-Type text/plain;
return 200;
}
root /home/prosody-filer;
autoindex off;
client_max_body_size 51m;
client_body_buffer_size 51m;
try_files $uri $uri/ @prosodyfiler;
}
location @prosodyfiler {
proxy_pass http://[::1]:5050;
proxy_buffering off;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header X-Forwarded-Host $host:$server_port;
proxy_set_header X-Forwarded-Server $host;
proxy_set_header X-Forwarded-For $remote_addr;
}
}(This configuration was provided by a user and has never been tested by the author of Prosody Filer. It might be outdated and might not work anymore)
<VirtualHost *:80>
ServerName upload.example.eu
RedirectPermanent / https://upload.example.eu/
</VirtualHost>
<VirtualHost *:443>
ServerName upload.example.eu
SSLEngine on
SSLCertificateFile "Path to the ca file"
SSLCertificateKeyFile "Path to the key file"
Header always set Public-Key-Pins: ''
Header always set Strict-Transport-Security "max-age=63072000; includeSubdomains; preload"
H2Direct on
<Location /upload>
Header always set Access-Control-Allow-Origin "*"
Header always set Access-Control-Allow-Headers "Content-Type"
Header always set Access-Control-Allow-Methods "OPTIONS, PUT, GET"
RewriteEngine On
RewriteCond %{REQUEST_METHOD} OPTIONS
RewriteRule ^(.*)$ $1 [R=200,L]
</Location>
SSLProxyEngine on
ProxyPreserveHost On
ProxyRequests Off
ProxyPass / http://localhost:5050/
ProxyPassReverse / http://localhost:5050/
</VirtualHost>
Prosody Filer has no immediate knowlegde over all the stored files and the time they were uploaded, since no database exists for that. Also Prosody is not capable to do auto deletion if mod_http_upload_external is used. Therefore the suggested way of purging the uploads directory is to execute a purge command via a cron job:
@daily find /home/prosody-filer/upload/ -mindepth 1 -type d -mtime +28 -print0 | xargs -0 -- rm -rf
This will delete uploads older than 28 days.
Get the log via
journalctl -f -u prosody-filer
If your XMPP clients uploads or downloads any file, there should be some log messages on the screen.
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