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 "$2"
echo
stty echo ctlecho
}
# Makes an HTTP request, setting the RETURN variable for the
# actual reply from the server and the ERROR_CODE variable
# for a HTTP error code.
request() {
RETURN=$(http -i "$@" 2>/dev/null)
ERROR_CODE=$(echo "$RETURN" | head -n1 | awk '{print $2}')
RETURN=$(echo "$RETURN" | sed '1,/^[[:space:]]*$/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..."
request "$HS_BASE/_matrix/client/v3/login"
AUTH_METHODS=$RETURN
if [ $ERROR_CODE -ne 200 ]; then
echo "Homeserver does not support login."
exit 1
fi
if ! echo "$AUTH_METHODS" | grep "m.login.password" >/dev/null; then
echo "Homeserver does not support password authentication."
exit 1
fi
# Homeserver does support password authentication, so request
# them one.
if [ -z "$MXPW" ]; then
readpwd "Enter your Matrix password: " MXPW
fi
# Tries to login using the "Telodendria Patch Script" device
# name
JSON=$(
printf '{'
printf ' "identifier": {'
printf ' "type": "m.id.user",'
printf ' "user": %s' "$(json -e $UR_NAME)"
printf ' },'
printf ' "initial_device_display_name": "Telodendria Patch Script",'
printf ' "type": "m.login.password",'
printf ' "password": %s' "$(json -e "$MXPW")"
printf '}'
)
request -X POST -d "$JSON" $HS_BASE/_matrix/client/v3/login
LOGIN="$RETURN"
if [ $ERROR_CODE -ne 200 ]; then
echo "Login failed."
echo "$RETURN"
exit 1
fi
ACCESS_TOKEN=$(echo "$LOGIN" | json -s "access_token->@decode")
}
# Logs out of Matrix using the ACFESS_TOKEN environment variable
matrix_logout() {
if [ -z "$ACCESS_TOKEN" ]; then
echo "No access token"
exit 1
fi
request -X POST -H "Authorization: Bearer $ACCESS_TOKEN" "$HS_BASE/_matrix/client/v3/logout"
LOGOUT=$RETURN
if [ $ERROR_CODE -ne 200 ]; then
echo "Logout failed."
echo "$RETURN"
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"
request -X POST \
-H "Content-Type: text/x-patch" \
-H "Authorization: Bearer $ACCESS_TOKEN" \
-d "@$PATCHFILE" \
"$HS_BASE/_matrix/media/v3/upload"
MXCID=$RETURN
if [ $ERROR_CODE -ne 200 ]; then
echo "Upload failed."
echo "$RETURN"
matrix_logout
exit 1
fi
MXCID=$(echo "$MXCID" | json -s "content_uri->@decode")
echo "MXC ID: $MXCID"
JSON=$(
base=$(basename "$PATCHFILE")
printf '{'
printf ' "body": %s,' "$(json -e $base)"
printf ' "filename": %s,' "$(json -e $base)"
printf ' "info": {'
printf ' "mimetype": "text/x-patch",'
printf ' "size": %d' $(wc -c "$PATCHFILE" | awk '{print $1}')
printf ' },'
printf ' "msgtype": "m.file",'
printf ' "url": %s' "$(json -e $MXCID)"
printf '}'
)
http -X PUT -d "$JSON" -H "Authorization: Bearer $ACCESS_TOKEN" \
"$HS_BASE/_matrix/client/v3/rooms/$PATCHES_ROOM/send/m.room.message/$(date +%s)" \
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..."
request "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" | json -s "m.homeserver->base_url->@decode") && 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