porting busy to confetti framework

[busy] / cgi.sh

diff --git a/cgi.sh b/cgi.sh
new file mode 100755 (executable)
index 0000000..d35b368
--- /dev/null
+++ b/cgi.sh
@@ -0,0 +1,54 @@
+#!/bin/zsh
+
+# Copyright 2014 Paul Hänsch
+#
+# This file is part of Confetti.
+# 
+# Confetti is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# Confetti is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+# 
+# You should have received a copy of the GNU Affero General Public License
+# along with Confetti.  If not, see <http://www.gnu.org/licenses/>. 
+
+declare -A _GET
+declare -A _POST
+declare -A _REF
+
+cgi_get() {  # parse HTTP GET string
+  echo "$QUERY_STRING" |tr '&' '\n' |while read query; do
+    key="$(echo -E "$query" |sed -r 's:^([a-zA-Z0-9_-]*)=(.*)$:\1:')"
+    val="$(echo -E "$query" |sed -r 's:^([a-zA-Z0-9_-]*)=(.*)$:\2:')"
+    _GET["$key"]="$(echo -e "$(echo -E "$val" |sed 's:+: :g;s:\\:\\\\:g;s:%:\\x:g')")"
+  done
+}
+
+cgi_post() {  # parse HTTP POST string
+  sed -u 1q |tr '&' '\n' |while read query; do
+    key="$(echo -E "$query" |sed -r 's:^([a-zA-Z0-9_-]*)=(.*)$:\1:')"
+    val="$(echo -E "$query" |sed -r 's:^([a-zA-Z0-9_-]*)=(.*)$:\2:')"
+    value="$(echo -e "$(echo -E "$val" |sed 's:+: :g;s:\\:\\\\:g;s:%:\\x:g;')")"
+    if [ -n "$_POST[\"$key\"]" ]; then
+      n=0
+      while [ -n "$_POST[\"$key$n\"]" ]; do n=$(($n + 1)); done
+      _POST["$key$n"]="$value"
+    else
+      _POST["$key"]="$value"
+    fi
+    #debug "_POST[$key] => $value"
+  done
+}
+
+cgi_refdata() { # Parse GET data from referer
+  echo "$HTTP_REFERER" |cut -d'?' -f2- |tr '&' '\n' |while read query; do
+    key="$(echo -E "$query" |sed -r 's:^([a-zA-Z0-9_-]*)=(.*)$:\1:')"
+    val="$(echo -E "$query" |sed -r 's:^([a-zA-Z0-9_-]*)=(.*)$:\2:')"
+    _REF["$key"]="$(echo -e "$(echo -E "$val" |sed 's:+: :g;s:\\:\\\\:g;s:%:\\x:g')")"
+  done
+}