listener.sh

   1 #!/bin/bash
   2 # DATA indices are defined by the mercuryms-send program, and are from mercuryms-sqlite
   3 # 0: MEDIA.ID
   4 # 1: MEDIA.PHONE_NUMBER
   5 # 2: MEDIA.URI
   6 while IFS='|' read -a DATA DATA_STR; do
   7     # Check if the phone number has an existing folder.
   8     # WebDAV responds to a PROPFIND with a 207 if a resource exists.
   9     # It responds 404 otherwise, but we will attempt to create on any other code.
  10     # AWK exits with inverted exit codes to use the && bash short circuit.
  11     curl --silent \
  12          --include \
  13          --user $USER:$($PW_COMMAND) \
  14          "$HOST/remote.php/dav/files/$USER/${DATA[1]}" \
  15          -X PROPFIND \
  16          --data '<?xml version="1.0" encoding="UTF-8"?>
  17  <d:propfind xmlns:d="DAV:">
  18    <d:prop>
  19      <d:resourcetype/>
  20    </d:prop>
  21  </d:propfind>' \
  22     | awk '/HTTP\// {if ($2 == "207") { exit 1; } else { exit 0; }}' \
  23     && curl --silent \
  24             --user $USER:$($PW_COMMAND) \
  25             -X MKCOL "$HOST/remote.php/dav/files/$USER/${DATA[1]}"
  26     # Download the media we were sent from the URI.
  27     # Upload it to Nextcloud and respond with the ID in the database
  28     # so that we can record success.
  29     IDENTIFIER=$(echo ${DATA[2]} | awk -F/ '{print $NF}')
  30     curl --silent \
  31          --location ${DATA[2]} \
  32     | curl --silent \
  33            --user $USER:$($PW_COMMAND) \
  34            --upload-file - \
  35            "$HOST/remote.php/dav/files/$USER/${DATA[1]}/$IDENTIFIER.jpg" && echo ${DATA[0]} received.
  36 done
  37
  38 exit 0