Telodendria/tools/bin/send-patch

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#!/usr/bin/env sh
#
# send-patch: "The Telodendria Patch Sender"
#
# This is a simple script for posting patch files to
# a single room(generally the Telodendria patch room.)
. "$(pwd)/tools/lib/common.sh"
# Path to the patch to send.
PATCHFILE="$1"
# Tries to decompose the name and the HS from an MXID using
# sed.
UR_NAME="$(echo "$MXID" | sed "s/\@\(.*\)\:\(.*\)/\1/")"
HS_NAME="$(echo "$MXID" | sed "s/\@\(.*\)\:\(.*\)/\2/")"
# Prompts the user for a password, while disabling echo-ing.
readpwd() {
printf "$1"
stty -echo -ctlecho
read -r "$2"; echo
stty echo ctlecho
}
# Calls curl, setting the RETURN variable for the actual
# reply from the server and the ERROR_CODE variable for a
# HTTP error code.
curlec() {
RETURN="$(curl -w "\n%{http_code}" "$@" 2> /dev/null)"
ERROR_CODE="$(echo "$RETURN" | tail -n1)"
RETURN="$(echo "$RETURN" | sed '$d')"
}
# Prompts user to login and gives out an access token to use
# in the ACCESS_TOKEN variable
matrix_login() {
# Check authentication methods
echo "Checking authentication methods..."
curlec "$HS_BASE/_matrix/client/v3/login"
AUTH_METHODS=$RETURN
if [ $ERROR_CODE -ne 200 ]; then
echo "Homeserver does not support login."
exit 1;
fi;
SUPPORTS_PASSWORD="$(echo "$AUTH_METHODS" | jq -r '.flows[].type' | grep "m.login.password" | wc -l)"
if [ $SUPPORTS_PASSWORD -lt 1 ]; then
echo "Homeserver does not support password authentication."
exit 1;
fi;
# Homeserver does support password authentication, so request
# them one.
if [ -z "$MXPW" ]; then
readpwd "Enter your Matrix password: " MXPW
fi
# Tries to login using the "Telodendria Patch Script" device
# name
JSON="$(jq --null-input \
--arg username "$UR_NAME" \
--arg password "$MXPW" \
--arg idtype "m.id.user" \
--arg passwordtype "m.login.password" \
'{
"identifier": {
"type": $idtype,
"user": $username
},
"initial_device_display_name": "Telodendria Patch Script",
"type": $passwordtype,
"password": $password
}')"
curlec -X POST $HS_BASE/_matrix/client/v3/login --data "$JSON"
LOGIN=$RETURN
if [ $ERROR_CODE -ne 200 ]; then
echo "Login failed."
exit 1;
fi;
ACCESS_TOKEN="$(echo "$LOGIN" | jq -r .access_token)"
}
# Logs out of Matrix using the ACFESS_TOKEN environment variable
matrix_logout() {
if [ -z "$ACCESS_TOKEN" ]; then
echo "No access token"
exit 1
fi
curlec -X POST $HS_BASE/_matrix/client/v3/logout -H "Authorization: Bearer $ACCESS_TOKEN"
LOGOUT=$RETURN
if [ $ERROR_CODE -ne 200 ]; then
echo "Logout failed."
exit 1
fi;
echo "Logged out."
}
send_patch() {
if [ -z "$ACCESS_TOKEN" ]; then
matrix_login
DO_LOGOUT=1
fi
# We are sucessfully logged in as our user, now let's
# try to upload and post our patch
echo "$PATCHFILE"
curlec -X POST "$HS_BASE/_matrix/media/v3/upload" \
-H "Content-Type: text/x-patch" \
-H "Authorization: Bearer $ACCESS_TOKEN" \
-T "$PATCHFILE"
MXCID=$RETURN
if [ $ERROR_CODE -ne 200 ]; then
echo "Upload failed."
matrix_logout
exit 1;
fi;
MXCID="$(echo "$MXCID" | jq -r .content_uri)"
echo "MXC ID: $MXCID"
JSON="$(jq --null-input \
--arg name "$(basename "$PATCHFILE")" \
--arg mxc "$MXCID" \
--arg msgtype "m.file" \
--arg size "$(wc -c "$PATCHFILE" | cut -d" " -f1)" \
'{
"body": $name,
"filename": $name,
"info": {
"mimetype": "text/x-patch",
"size": $size
},
"msgtype": $msgtype,
"url": $mxc
}')"
curl \
-X PUT \
-H "Authorization: Bearer $ACCESS_TOKEN" \
"$HS_BASE/_matrix/client/v3/rooms/$PATCHES_ROOM/send/m.room.message/$(date +%s)" \
--data "$JSON" 2> /dev/null > /dev/null && echo "Patch sent."
# Log out if we generated an access token
if [ "$DO_LOGOUT" -eq "1" ]; then
matrix_logout
fi
}
# Check if the patch file is valid.
if [ "$(basename "$PATCHFILE" .patch)" = "$PATCHFILE" ] || [ ! -f "$PATCHFILE" ]; then
echo "Format: $0 file.patch"
exit 1
fi
echo "Sending file '$PATCHFILE'"
echo "Checking homeserver's real address using .well-known..."
curlec "https://$HS_NAME/.well-known/matrix/client"
case "$ERROR_CODE" in
"200")
WELL_KNOWN=$RETURN
if [ -z "$WELL_KNOWN" ]; then
echo "well-known test returned 200 but no correct input was given."
exit 1
fi
# well-known entry is correct, we can now store our base endpoint
HS_BASE="$(printf "$WELL_KNOWN" | jq -r '.["m.homeserver"].base_url')" && send_patch
;;
* )
echo "$ERROR_CODE"
echo "well-known test failed."
printf "Please enter your homeserver base URL: "
read -r HS_BASE; echo
send_patch
;;
esac