296 lines
7.6 KiB
Bash
Executable file
296 lines
7.6 KiB
Bash
Executable file
#!/usr/bin/env bash
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#set -x
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shopt -s extglob
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VERSION="0.3"
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LOG="true"
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AUTHORIZATION="X-Dummy: 1"
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version() {
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echo "matrix.sh $VERSION"
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echo "by Fabian Schlenz"
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}
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help() {
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version
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echo
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echo "Usage:"
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echo "$0 <options> <message>"
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echo "ACTIONS"
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echo " -l <server> Login to a server."
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echo " -L List rooms the matrix user joined or is invited to."
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echo " -s Select a default room."
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echo " -h This help."
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echo
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echo "OPTIONS"
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echo " -r <room_id> Which room to send the message to."
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echo " -H Enable HTML tags in message."
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echo " -P Wraps the given message into <pre> and escapes all other HTML special chars."
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echo
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echo "FILES (message will be ignored)"
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echo " -f <file> Send <file>."
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echo " -a <file> Send <file> as audio."
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echo " -i <file> Send <file> as image."
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echo " -v <file> Send <file> as video."
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echo
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echo "If <message> is \"-\", stdin is used."
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echo "See https://matrix.org/docs/spec/client_server/latest.html#m-room-message-msgtypes for a list of valid HTML tags for use with -H."
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echo
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}
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_curl() {
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curl -s --fail -H "$AUTHORIZATION" -H "User-Agent: matrix.sh/$VERSION" $*
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}
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die() {
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>&2 echo "$1"
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exit 1
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}
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log() {
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"$LOG" && echo $1
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}
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get() {
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url="$1"
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log "GET $url"
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response=`_curl "${MATRIX_HOMESERVER}${url}"`
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}
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query() {
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url="$1"
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data="$2"
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type="$3"
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log "POST $url"
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response=$( _curl -X$type -H "Content-Type: application/json" --data "$data" "${MATRIX_HOMESERVER}${url}" )
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if [ `jq -r .errcode <<<"$response"` != "null" ]; then
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echo
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>&2 echo "An error occurred. The matrix server responded with:"
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>&2 echo "`jq -r .errcode <<<"$response"` `jq -r .error <<<"$response"`"
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>&2 echo "Following request was sent to ${url}:"
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>&2 jq . <<<"$data"
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exit 1
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fi
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}
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post() {
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query "$1" "$2" "POST"
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}
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put() {
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query "$1" "$2" "PUT"
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}
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upload_file() {
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file="$1"
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content_type="$2"
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filename="$3"
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response=$( _curl -XPOST --data-binary "@$file" -H "Content-Type: $content_type" "${MATRIX_HOMESERVER}/_matrix/media/r0/upload?filename=${filename}" )
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}
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escape() {
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jq -s -R . <<<"$1"
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}
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############## Check for dependencies
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hash jq >/dev/null 2>&1 || die "jq is required, but not installed."
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hash curl >/dev/null 2>&1 || die "curl is required, but not installed."
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############## Logic
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login() {
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MATRIX_HOMESERVER="https://${MATRIX_HOMESERVER#https://}"
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identifier="`whoami`@`hostname` using matrix.sh"
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identifier=`escape "$identifier"`
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log "Trying homeserver: $MATRIX_HOMESERVER"
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if ! get "/_matrix/client/versions"; then
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if ! get "/.well-known/matrix/server"; then
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die "$MATRIX_HOMESERVER does not appear to be a matrix homeserver. Trying /.well-known/matrix/server failed. Please ask your homeserver's administrator for the correct address of the homeserver."
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fi
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MATRIX_HOMESERVER=`jq -r '.["m.server"]' <<<"$response"`
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MATRIX_HOMESERVER="https://${MATRIX_HOMESERVER#https://}"
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log "Delegated to home server $MATRIX_HOMESERVER."
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if ! get "/_matrix/client/versions"; then
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die "Delegation led us to $MATRIX_HOMESERVER, but it does not appear to be a matrix homeserver. Please ask your homeserver's administrator for the correct address of the server."
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fi
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fi
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read -p "Username on the server (just the local part, so e.g. 'bob'): " username
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read -sp "${username}'s password: " password
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echo
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post "/_matrix/client/r0/login" "{\"type\":\"m.login.password\", \"identifier\":{\"type\":\"m.id.user\",\"user\":\"${username}\"},\"password\":\"${password}\",\"initial_device_display_name\":$identifier}"
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data="MATRIX_TOKEN=\"`jq -r .access_token <<<"$response"`\"\nMATRIX_HOMESERVER=\"$SERVER\"\nMATRIX_USER=\"`jq -r .user_id <<<"$response"`\"\n"
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echo -e "$data" > ~/.matrix.sh
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chmod 600 ~/.matrix.sh
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source ~/.matrix.sh
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echo
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echo "Success. Access token saved to ~/.matrix.sh."
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echo "You should now use $0 -s to select a default room."
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}
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list_rooms() {
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echo "Getting Rooms..."
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get '/_matrix/client/r0/sync'
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echo "Joined rooms:"
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jq -r '.rooms.join | (to_entries[] | " \(.key) - \(((.value.state.events + .value.timeline.events)[] | select(.type=="m.room.name") | .content.name) // "<Unnamed>")") // " NONE"' <<<"$response"
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echo
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echo "Rooms I'm invited to:"
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jq -r '.rooms.invite | (to_entries[] | " \(.key) - \((.value.invite_state.events[] | select(.type=="m.room.name") | .content.name) // "Unnamed")") // " NONE"' <<<"$response"
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}
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select_room() {
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list_rooms
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echo "Which room do you want to use?"
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read -p "Enter the room_id (the thing at the beginning of the line): " room
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# The chosen could be a room we are only invited to. So we send a join command.
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# If we already are a member of this room, nothing will happen.
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post "/_matrix/client/r0/rooms/$room/join"
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echo -e "MATRIX_ROOM_ID=\"$room\"\n" >> ~/.matrix.sh
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echo
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echo "Saved default room to ~/.matrix.sh"
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}
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_send_message() {
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data="$1"
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txn=`date +%s%N`
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put "/_matrix/client/r0/rooms/$MATRIX_ROOM_ID/send/m.room.message/$txn" "$data"
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}
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send_message() {
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# Get the text. Try the last variable
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text="$1"
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[ "$text" = "-" ] || [ "$text" = "" ] && text=$(</dev/stdin)
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if $PRE; then
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text="${text//</<}"
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text="${text//>/>}"
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text="<pre>$text</pre>"
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HTML="true"
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fi
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text=`escape "$text"`
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if $HTML; then
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clean_body="${text//<+([a-zA-Z0-9\"\'= \/])>/}"
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clean_body=`escape "$clean_body"`
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data="{\"body\": $clean_body, \"msgtype\":\"m.text\",\"formatted_body\":$text,\"format\":\"org.matrix.custom.html\"}"
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else
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data="{\"body\": $text, \"msgtype\":\"m.text\"}"
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fi
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_send_message "$data"
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}
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send_file() {
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[ ! -e "$FILE" ] && die "File $FILE does not exist."
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# Query max filesize from server
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get "/_matrix/media/r0/config"
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max_size=`jq -r ".[\"m.upload.size\"]" <<<"$response"`
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size=$(stat -c%s "$FILE")
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if (( size > max_size )); then
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die "File is too big. Size is $size, max_size is $max_size."
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fi
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filename=`basename "$FILE"`
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log "filename: $filename"
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filename=`jq -s -R . <<<"$filename"`
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content_type=`file --brief --mime-type "$FILE"`
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log "content-type: $content_type"
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upload_file "$FILE" "$content_type" "$filename"
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uri=`jq -r .content_uri <<<"$response"`
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data="{\"body\":$filename, \"msgtype\":\"$FILETYPE\", \"filename\":$filename, \"url\":\"$uri\"}"
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_send_message "$data"
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}
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######## Program flow stuff
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[ -r ~/.matrix.sh ] && source ~/.matrix.sh
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ACTION="send_message"
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HTML="false"
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PRE="false"
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while getopts "l:shr:a:f:i:v:HPL" opt; do
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case $opt in
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l)
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ACTION="login"
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MATRIX_HOMESERVER="$OPTARG"
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;;
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L)
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ACTION="list_rooms"
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;;
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s)
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ACTION="select_room"
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;;
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h)
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ACTION="help"
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;;
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H)
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HTML="true"
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;;
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P)
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PRE="true"
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;;
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r)
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MATRIX_ROOM_ID="$OPTARG"
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;;
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f)
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ACTION="send_file"
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FILETYPE="m.file"
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FILE="$OPTARG"
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;;
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v)
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ACTION="send_file"
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FILETYPE="m.video"
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FILE="$OPTARG"
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;;
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i)
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ACTION="send_file"
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FILETYPE="m.image"
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FILE="$OPTARG"
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;;
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a)
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ACTION="send_file"
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FILETYPE="m.audio"
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FILE="$OPTARG"
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;;
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\?)
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die "Invalid option -$OPTARG"
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;;
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:)
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die "Option -$OPTARG requires an argument"
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;;
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esac
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done
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shift $((OPTIND - 1))
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[ -z $MATRIX_HOMESERVER ] && die "No homeserver set. Use -l <homeserver> to log into an account on the given server and persist those settings."
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if [ "$ACTION" = "login" ]; then
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login
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# Do not exit here. We want select_room to run as well.
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elif [ "$ACTION" = "help" ]; then
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help
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exit 1
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fi
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[ -z $MATRIX_TOKEN ] && die "No matrix token set. Use -l to login."
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AUTHORIZATION="Authorization: Bearer $MATRIX_TOKEN"
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if [ "$ACTION" = "select_room" ]; then
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select_room
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elif [ "$ACTION" = "list_rooms" ]; then
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list_rooms
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elif [ "$ACTION" = "send_file" ]; then
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send_file
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elif [ "$ACTION" = "send_message" ]; then
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send_message "$1"
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fi
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