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127 lines
3.9 KiB
Text
127 lines
3.9 KiB
Text
# Installation
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Build the server binary:
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CGO_ENABLED=0 go build -ldflags='-s -w'
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Create a server certificate:
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mkdir data
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openssl req -newkey rsa:2048 -nodes -keyout data/key.pem -x509 -days 365 -out data/cert.pem
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Set the server administrator's username and password (optional):
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echo 'god:topsecret' > data/passwd
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Configure the list of STUN and TURN servers (optional):
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vi data/ice-servers.json
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Set up a group
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mkdir groups
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vi groups/public.json
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{
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"public":true,
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"op":[{"username":"jch","password":"1234"}],
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"presenter":[{}],
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"max-users":100
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}
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Copy the necessary files to your server:
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rsync -a sfu static data groups server.example.org:/home/sfu/
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Run the server binary:
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ssh server.example.org
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cd /home/sfu/
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nohup ./sfu &
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# Locations
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There is a landing page at the root of the server. It contains a form
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for typing the name of a group, and a clickable list of public groups.
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Groups are available under `/group/groupname`. You may share this URL
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with others, there is no need to go through the landing page.
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Recordings can be accessed under `/recordings/groupname`. This is only
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available to the administrator of the group.
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Some statistics are available under `/stats`. This is only available to
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the server administrator.
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# Group definitions
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Groups are defined by files in the directory defined by the `-groups`
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command-line option, one per group. The group definition file does not
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contain the name of the group -- that makes it possible to set up a new
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group just by copying a template file.
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The group definition file contains a JSON directory with the following
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fields, all of which are optional.
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- `op`, `presenter`, `other`: each of these is an array of user
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definitions (see below) and specifies the users allowed to connect
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respectively with operator privileges, with presenter privileges, and
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as passive listeners;
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- `public`: if true, then the group is visible on the landing page;
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- `max-clients`: the maximum number of clients that may join the group at
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a time;
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- `allow-recording`: if true, then recording is allowed in this group;
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- `allow-anonymous`: if true, then users may connect with an empty
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username; this is not recommended, since anonymous users are not
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allowed to participate in the chat.
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A user definition is a dictionary with the following fields:
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- `username`: the username of the user; if omitted, any username is
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allowed;
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- `password`: the password of the user; if omitted, then any password
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(including the empty paassword) is allowed.
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For example
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{"username":"jch", "password":"topsecret"}
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specifies user *jch* with password *topsecret*, while
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{"password":"topsecret"}
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specifies that any username will do. The empty dictionary
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{}
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specifies that any username will do and that password are not verified.
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# Commands
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Typing a line starting with a slash `/` in the chat dialogue causes
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a command to be sent to the server. The following commands are available
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to all users:
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- `/me text`: sends a chat message starting with the sender's username;
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- `/leave`: equivalent to clicking the *Disconnect* button.
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The following commands are only available to users with operator
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privileges:
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- `/clear`: clears the chat history for all users;
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- `/lock`: prevents any new users from connecting to the group unless
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they have operator privileges;
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- `/unlock`: reverts the effect of `/lock`;
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- `/record`: start recording;
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- `/unrecord`: stop recording;
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- `/op user`: gives operator privileges to a user;
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- `/unop user`: takes away operator privileges;
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- `/present user`: gives presenter privileges to a user;
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- `/unpresent user`: takes away presenter privileges from a user and
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forcibly closes any presentations from that user that may be taking place;
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- `/kick user`: forcibly disconnects a user from the group.
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--- Juliusz Chroboczek <https://www.irif.fr/~jch/>
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