Bash document import

#!/bin/sh
##############################################################################
# Copyright (c) 2013: Jörg Palmer, JoergPalmer @ OpenKM forums
#
# Script for importing a document into OpenKM via web services
# 1. Logon using an "import user"
# 2. Import the document into a pre-defined folder
# 3. Logoff the server
##############################################################################

### Configuration section, please adjust to your setup
OKM_ID="autoImport"                     # User ID / name
OKM_PW="Import42"                       # Password
### Configuration section ends here
### DO NOT CHANGE FROM HERE UNLESS YOU KNOW WHAT YOU ARE DOING!

# Constants definition
TOOLNAME="OpenKM_import"
VERSION="v1.0"

# Possible exit codes
EXIT_OK="0"                             # 0=success
EXIT_BAD_ARGS="1"                       # 1=wrong number of parameters
EXIT_BAD_LOGON="2"                      # 2=logon to OpenKM failed
EXIT_BAD_LOGOFF="3"                     # 3=Logoff from OpenKM failed

# LOG Level
LOG_ERR="0"                             # 0=only error messages
LOG_INFO="1"                            # 1=error messages and some infos
LOG_DEBUG="2"                           # 2=debug level logging


START=`date +%s`

usage() {
        cat << EOF
--------------------------------------------------------------------------------------
Script to import a document into an OpenKM server, using SOAP web services.
Please adjust the user id settings at the beginning of the script to your needs.

Copyright: Jörg Palmer
Version: $VERSION

Usage: OpenKM_import.sh  [-h] [-v] [-g] [-u url] [-p path] document

Options:

-h      : Display this help message
-v      : Increase the verbosity (this option can be used more than once)
-g      : Activate debug mode:
         - Set the verbosity to the highest possible
-u url  : Set the url to the OpenKM instance
         Default: http://localhost:8080/OpenKM
-p path : Set the taxonomy path to be imported to
         Default: /okm:root/imported

document : The file to be imported
--------------------------------------------------------------------------------------
EOF
}

#################################################
# Get an absolute path from a relative path to a file
#
# Param1 : Relative path
# Returns: 1 if the folder in which the file is located does not exist
#          0 otherwise
#################################################
absolutePath() {
   local wdsave absolutepath
   wdsave="$(pwd)"
   ! cd "$(dirname "$1")" 1> /dev/null 2> /dev/null && return 1
   absolutepath="$(pwd)/$(basename "$1")"
   cd "$wdsave"
   echo "$absolutepath"
   return 0
}

# Initialization the configuration parameters with default values
VERBOSITY="$LOG_ERR"                    # default verbosity level
OKM_URL="http://localhost:8080/OpenKM"  # OpenKM URL
OKM_PATH="/okm:root/imported"           # Taxonomy path to be imported to

# Parse optional command line arguments
while getopts ":hvgu:p:" opt; do
        case $opt in
                h) usage ; exit 0 ;;
                v) VERBOSITY=$(($VERBOSITY+1)) ;;
                g) VERBOSITY="10" ;;
                u) OKM_URL="$OPTARG" ;;
                p) OKM_PATH="$OPTARG" ;;
                \?)
                        echo "Invalid option: -$OPTARG" >&2
                        usage
                        exit $EXIT_BAD_ARGS ;;
                :)
                        echo "Option -$OPTARG requires an argument" >&2
                        usage
                        exit $EXIT_BAD_ARGS ;;
        esac
done

# Remove the optional arguments parsed above.
shift $((OPTIND-1))

# Check if the number of mandatory parameters
# provided is as expected
if [ "$#" -ne "1" ]; then
        echo "Document file name is missing! ($# arguments provided)" >&2
        usage
        exit $EXIT_BAD_ARGS
fi

[ $VERBOSITY -ge $LOG_INFO ] && echo "$TOOLNAME, version: $VERSION"

# Generate the document information
FILENAME="`absolutePath "$1"`"
FILENAME_BASE="${FILENAME##*/}"

[ $VERBOSITY -ge $LOG_INFO ] && echo "Document file: '$FILENAME', basename: '$FILENAME_BASE'"

# Logon
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Logging on to OpenKM Server '$OKM_URL' with '$OKM_ID'"
response_Auth_logon=$(curl --silent --header "Content-Type: text/xml;charset=UTF-8" \
 --header "SOAPAction:action" --data @- \
 --request POST "${OKM_URL}/services/OKMAuth" << EOF
   <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ws="http://ws.openkm.com">
      <soapenv:Header/>
      <soapenv:Body>
         <ws:login>
            <user>$OKM_ID</user>
            <password>$OKM_PW</password>
         </ws:login>
      </soapenv:Body>
   </soapenv:Envelope>
EOF
)

# Check for response code -> Got access token?
token=$(grep -oPm1 "(?<=<return>)[^<]+" <<< "$response_Auth_logon")
if [ -z "$token" ]; then
  echo "Error logging on to OpenKM server!" >&2
  echo "Response: "$response_Auth_logon >&2 && exit $EXIT_BAD_LOGON
else
  [ $VERBOSITY -ge $LOG_DEBUG ] && echo "Logon successful (Token: '"$token"')"
fi

# Content must be base64 -> read and encode
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Encoding input file as Base64"
content="`base64 "$FILENAME"`"

# Import the document
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Importing document '$FILENAME_BASE' to '$OKM_PATH/$FILENAME_BASE'"
response_Doc=$(curl --silent --header "Content-Type: text/xml;charset=UTF-8" \
 --header "SOAPAction:action" --data @- \
 --request POST "${OKM_URL}/services/OKMDocument" << EOF
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ws="http://ws.openkm.com">
   <soapenv:Header/>
   <soapenv:Body>
      <ws:createSimple>
         <token>$token</token>
         <docPath>$OKM_PATH/$FILENAME_BASE</docPath>
         <content>$content</content>
      </ws:createSimple>
   </soapenv:Body>
</soapenv:Envelope>
EOF
)

# Check for success
fault=$(grep -oPm1 "(?<=<faultcode>)[^<]+" <<< "$response_Doc")
if [ -n "$fault" ]; then
  echo "Error importing document: "$fault": '" \
         $(grep -oPm1 "(?<=<faultstring>)[^<]+" <<< "$response_Doc") \
         "' -> "$(grep -oPm1 "[^:]+Exception" <<< "$response_Doc") >&2
  echo "Response: "$response_Doc >&2
else
  uuid=$(grep -oPm1 "(?<=<uuid>)[^<]+" <<< "$response_Doc")
  [ $VERBOSITY -ge $LOG_DEBUG ] && echo "Document '$uuid' imported successfully"
fi

# Logoff
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Logging off from OpenKM server"
response_Auth_logoff=$(curl --silent --header "ConteONnt-Type: text/xml;charset=UTF-8" \
 --header "SOAPAction:action" --data @- \
 --request POST "${OKM_URL}/services/OKMAuth" << EOF
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ws="http://ws.openkm.com">
   <soapenv:Header/>
   <soapenv:Body>
      <ws:logout>
         <token>$token</token>
      </ws:logout>
   </soapenv:Body>
</soapenv:Envelope>
EOF
)

# Check for success
fault=$(grep -oPm1 "(?<=<faultcode>)[^<]+" <<< "$response_Auth_logoff")
if [ -n "$fault" ]; then
  echo "Error logging off from server: "$fault": '" \
         $(grep -oPm1 "(?<=<faultstring>)[^<]+" <<< "$response_Auth_logoff") \
         "' -> "$(grep -oPm1 "[^:]+Exception" <<< "$response_Auth_logoff") >&2
  echo "Response: "$response_Auth_logoff >&2
else
  [ $VERBOSITY -ge $LOG_DEBUG ] && echo "Logoff successful"
fi

END=`date +%s`
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Script took $(($END-$START)) seconds"

exit $EXIT_OK