impression: ajoute 2dir backend pour tester

impression/2dir_backend

@@ -0,0 +1,148 @@
+#!/bin/bash
+#
+# /usr/lib/cups/backend/2dir
+#
+# (c) September 2007  Kurt Pfeifle <pfeifle@kde.org>
+#                                  <kurt.pfeifle@infotec.com>
+#     Network printing consultant Linux/Unix/Windows/Samba/CUPS
+#
+# License: GNU GPLv2 or GPLv3 (your choice)
+# Warranty: None at all; you may need to fix included defects on your own.
+#
+
+backend=${0}
+jobid=${1}
+cupsuser=${2}
+jobtitle=${3}
+jobcopies=${4}
+joboptions=${5}
+jobfile=${6}
+printtime=$(date +%Y-%b-%d-%H-%M-%S)
+
+# the following messages should appear in /var/log/cups/error_log,
+# depending on what "LogLevel" setting your cupsd.conf carries:
+echo "INFO: backend=${backend}"       1>&2
+echo "INFO: jobid=${jobid}"           1>&2
+echo "INFO: cupsuser=${cupsuser}"     1>&2
+echo "INFO: jobtitle=${jobtitle}"     1>&2
+echo "INFO: jobcopies=${jobcopies}"   1>&2
+echo "INFO: joboptions=${joboptions}" 1>&2
+echo "INFO: jobfile=${jobfile}"       1>&2
+echo "INFO: printtime=${printtime}"   1>&2
+echo "EMERG:  This is a \"emergency\" level log message" 1>&2
+echo "ALERT:  This is a \"alert\" level log message"     1>&2
+echo "CRIT:   This is a \"critical\" level log message"  1>&2
+echo "ERROR:  This is a \"error\" level log message"     1>&2
+echo "WARN:   This is a \"warn\" level log message"      1>&2
+echo "NOTICE: This is a \"notice\" level log message"    1>&2
+echo "INFO:   This is a \"info\" level log message"      1>&2
+echo "INFO:   This is a 2nd \"info\" level log message"  1>&2
+echo "INFO:   This is a 3rd \"info\" level log message"  1>&2
+echo "DEBUG:  This is a \"debug\" level log message"     1>&2
+
+
+# we are free to compose the output filename written by the 2dir backend
+# in whatever way we like... However, we must be careful when using the
+# $jobtitle part -- the job may originate from a web browser and contain
+# slashes and all kinds of illegal or problematic characters. Therefore
+# we prefer to radically convert every "weird" character to an underscore
+# for our current purpose...
+
+sanitized_jobtitle="$(echo ${jobtitle} | tr [[:blank:]:/%\&=+?\\\\#\'\`\´\*] _)"
+
+# the following lines would do (nearly) the same as the above, but slower
+# -- yet better readable (and the above may be in need of some fixing still):
+#sanitized_jobtitle="$(echo ${jobtitle} \
+#                |tr [:blank:] _ \
+#                |tr : _ \
+#                |tr \"\ \" _ \
+#                |tr / _ \
+#                |tr % _ \
+#                |tr \' _ \
+#                |tr \` _ \
+#                |tr \´ _ \
+#                |tr \' _ \
+#                |tr \& _ \
+#                |tr \* _ \
+#                |tr \# _ \
+#                |tr = _ \
+#                |tr + _ \
+#                |tr ? _ \
+#                |tr \\\\ _ )"
+##               # last line to get rid of "backslashes"...
+
+# now for our final job output name:
+outname=${jobid}_${printtime}_${sanitized_jobtitle}
+# we include the $printtime part to have a uniq name in case the same job
+# is tested with different settings to be kept for comparing. It is also
+# useful for aligning debug efforts to CUPS' error_log entries.
+
+
+# we will read the output directory from the printers $DEVICE_URI environment
+# variable that should look s.th. like "2dir:/path/to/a/directory" and write
+# our printfile as $outname there....
+
+# Now do the real work:
+case ${#} in
+      0)
+         # this case is for "backend discovery mode"
+         echo "file 2dir \"KDEPrint Devel Dept.\" \"2dir backend to test CUPS and help KDEPrint development\""
+         exit 0
+         ;;
+      5)
+         if [ ! -e ${DEVICE_URI#2dir:} ]; then
+           mkdir -p ${DEVICE_URI#2dir:}
+           # You may want to change this to 777 to allow you
+           # to periodically delete the generated files:
+           chmod 755 ${DEVICE_URI#2dir:}
+           # WARNING! WARNING! WARNING! Don't use these file permissions
+           # on a production print server! This is for development convenience
+           # only! WARNING, security risk!
+         fi
+
+         # backend needs to read from stdin if number of arguments is 5
+         cat - > ${DEVICE_URI#2dir:}/${outname}
+
+         # Make sure everyone can read it
+         chmod 644 ${DEVICE_URI#2dir:}/${outname}
+         # WARNING! WARNING! WARNING! Don't use these file permissions
+         # on a production print server! This is for development convenience
+         # only! WARNING, security risk!
+         ;;
+      6)
+         if [ ! -e ${DEVICE_URI#2dir:} ]; then
+           mkdir -p ${DEVICE_URI#2dir:}
+           # You may want to change this to 777 to allow you
+           # to periodically delete the generated files:
+           chmod 755 ${DEVICE_URI#2dir:}
+           # WARNING! WARNING! WARNING! Don't use these file permissions
+           # on a production print server! This is for development convenience
+           # only! WARNING, security risk!
+         fi
+
+         # backend needs to read from file if number of arguments is 6
+         cat ${6} > ${DEVICE_URI#2dir:}/${outname}
+
+         # Make sure everyone can read it
+         chmod 644 ${DEVICE_URI#2dir:}/${outname}
+         ;;
+      1|2|3|4|*)
+         # these cases are unsupported
+         echo " "
+         echo " Usage: 2dir job-id user title copies options [file]"
+         echo " "
+         echo " (Install as CUPS backend in /usr/lib/cups/backend/2dir)"
+         echo " (Use as 'device URI' like \"2dir:/path/to/writeable/directory\" for printer installation.)"
+         exit 0
+esac
+
+echo 1>&2
+
+# we reach this line only if we actually "printed something"
+echo "NOTICE: processed Job ${jobid} to file ${DEVICE_URI#2dir:}/${outname}" 1>&2
+echo "NOTICE: End of \"${0}\" run...."                                       1>&2
+echo "NOTICE: ---------------------------------------------------------"     1>&2
+echo 1>&2
+exit 0
+
+################# end "2dir" ##############################################