slitaz-base-files annotate rootfs/usr/lib/slitaz/httphelper.sh @ rev 139

Add libtaz and httphelper man a like documentation
author Christophe Lincoln <pankso@slitaz.org>
date Tue Apr 24 10:26:35 2012 +0200 (2012-04-24)
parents 333e86ef0a8f
children 4b43ed13b73e
rev   line source
pankso@127 1 #!/bin/sh
pankso@127 2 #
pankso@127 3 # SliTaz Helper for SHell CGI scripts - See httphelper function
pankso@127 4 #
pankso@127 5 # This helper is used in TazPanel, Pizza and other SliTaz CGI tools and
pankso@127 6 # services. The goal is to maintain it according to the needs of the
pankso@127 7 # project and Busybox httpd server applet since it is used for URL
pankso@127 8 # [en|de]coding.
pankso@127 9 #
pankso@139 10 # Documentation: man httphelper or /usr/share/doc/slitaz/httpelper.txt
pankso@139 11 #
pankso@127 12 # Copyright (C) SliTaz 2012 - GNU gpl v2
pankso@127 13 #
pankso@127 14
pankso@127 15 alias urlencode='busybox httpd -e'
pankso@127 16 alias urldecode='busybox httpd -d'
pankso@127 17
pankso@127 18 # Send headers.
pankso@127 19 header() {
pankso@127 20 local i
pankso@127 21 [ -z "$1" ] && set -- "Content-type: text/html"
pankso@127 22 for i in "$@" ""
pankso@127 23 do
pankso@127 24 echo -e "$i\r"
pankso@127 25 done
pankso@127 26 }
pankso@127 27
pankso@127 28 http_urlencode() {
pankso@127 29 sed -e "s|%|%25|g;s|!|%21|g;s|\*|%2A|g;s|'|%27|g;s|(|%28|g" \
pankso@127 30 -e "s|)|%29|g;s|;|%3B|g;s|:|%3A|g;s|@|%40|g;s|&|%26|g" \
pankso@127 31 -e "s|=|%3D|g;s|+|%2B|g;s|\$|%24|g;s|,|%2C|g;s|/|%2F|g" \
pankso@127 32 -e "s|\?|%3F|g;s|#|%25|g;s|\[|%5B|g;s|\]|%5D|g;s| |+|g"
pankso@127 33 }
pankso@127 34
pankso@127 35 htmlentities() {
pankso@127 36 echo $1 | sed 's|&|\&amp;|g;s|<|\&lt;|g;s|>|\&gt;|g;s|"|\&quot;|g'
pankso@127 37 }
pankso@127 38
pankso@127 39 # MD5 crypt a string such as password (httpd -m dont give same result ?)
pankso@127 40 md5crypt() {
pankso@127 41 echo -n "$1" | md5sum | awk '{print $1}'
pankso@127 42 }
pankso@127 43
pankso@127 44 # MD5 crypt a string. Stronger crypto than MD5
pankso@127 45 sha512crypt() {
pankso@127 46 echo -n "$1" | sha512sum | awk '{print $1}'
pankso@127 47 }
pankso@127 48
pankso@127 49 _ARRAY()
pankso@127 50 {
pankso@127 51 [ -z "$2" ] && eval echo \$${1}__NAMES ||
pankso@127 52 [ -n "$(eval echo \$${1}__NAMES)" ] && eval echo \$${1}_${2}_${3:-1}
pankso@127 53 }
pankso@127 54
pankso@127 55 GET() { _ARRAY GET "$1" $2; }
pankso@127 56 POST() { _ARRAY POST "$1" $2; }
pankso@127 57 FILE() { _ARRAY FILE "$1" $2; }
pankso@127 58 COOKIE() { _ARRAY COOKIE "$1" $2; }
pankso@127 59
pankso@127 60 httpinfo()
pankso@127 61 {
pankso@127 62 local i
pankso@127 63 local j
pankso@127 64 local x
pankso@127 65 for i in SERVER_PROTOCOL SERVER_SOFTWARE SERVER_NAME SERVER_PORT AUTH_TYPE \
pankso@127 66 GATEWAY_INTERFACE REMOTE_HOST REMOTE_ADDR REMOTE_PORT \
pankso@127 67 HTTP_REFERER HTTP_HOST HTTP_USER_AGENT HTTP_ACCEPT \
pankso@127 68 HTTP_ACCEPT_LANGUAGE HTTP_COOKIE AUTH_TYPE REMOTE_USER REMOTE_IDENT \
pankso@127 69 REQUEST_METHOD REQUEST_URI QUERY_STRING CONTENT_LENGTH CONTENT_TYPE \
pankso@127 70 SCRIPT_NAME SCRIPT_FILENAME PATH_INFO PATH_TRANSLATED \
pankso@127 71 USER HOME LOGNAME SHELL PWD ; do
pankso@127 72 eval x=\$$i
pankso@127 73 [ -n "$x" ] && echo "$i='$x'"
pankso@127 74 done
pankso@127 75 for x in GET POST COOKIE ; do
pankso@127 76 for i in $($x) ; do
pankso@127 77 if [ $($x $i count) -gt 1 ]; then
pankso@127 78 for j in $(seq 1 $($x $i count)); do
pankso@127 79 echo "$x($i,$j)='$($x $i $j)'"
pankso@127 80 done
pankso@127 81 else
pankso@127 82 echo "$x($i)='$($x $i)'"
pankso@127 83 fi
pankso@127 84 done
pankso@127 85 done
pankso@127 86 for i in $(FILE) ; do
pankso@127 87 for j in name size type tmpname ; do
pankso@127 88 echo "FILE($i,$j)='$(FILE $i $j)'"
pankso@127 89 done
pankso@127 90 done
pankso@127 91 }
pankso@127 92
pankso@127 93 read_query_string()
pankso@127 94 {
pankso@127 95 local i
pankso@127 96 local names
pankso@127 97 local cnt
pankso@127 98 names=""
pankso@127 99 IFS="&"
pankso@127 100 for i in $2 ; do
pankso@127 101 var=${i%%[^A-Za-z_0-9]*}
pankso@127 102 case " $names " in
pankso@127 103 *\ $var\ *) eval cnt=\$${1}_${var}_count ;;
pankso@127 104 *) cnt=0
pankso@127 105 names="$names $var" ;;
pankso@127 106 esac
pankso@127 107 eval ${1}_${var}_count=$((++cnt))
pankso@127 108 eval ${1}_${var}_$cnt=\'$(busybox httpd -d "${i#*=}" | sed "s/'/\'\\\\\'\'/g")\'
pankso@127 109 done
pankso@127 110 unset IFS
pankso@127 111 eval ${1}__NAMES=\'${names# }\'
pankso@127 112 }
pankso@127 113
pankso@127 114 [ -z "$GET__NAMES" ] && read_query_string GET "$QUERY_STRING"
pankso@127 115 [ -z "$COOKIE_NAMES" ] &&
pankso@127 116 read_query_string COOKIE "$(echo "$HTTP_COOKIE" | sed 's/; /\&/g')"
pankso@127 117
pankso@127 118 ddcut()
pankso@127 119 {
pankso@127 120 page=4096
pankso@127 121 skip=$1
pankso@127 122 count=$(($2 - $1 -2))
pankso@127 123 tmp=$(($skip / $page))
pankso@127 124 [ $tmp -ne 0 ] && dd bs=$page skip=$tmp count=0
pankso@127 125 skip=$(($skip - ($tmp * $page) ))
pankso@127 126 dd bs=1 skip=$skip count=0
pankso@127 127 tmp=$(( ($page - $skip) % $page ))
pankso@127 128 if [ $tmp -ne 0 -a $tmp -le $count ]; then
pankso@127 129 dd bs=1 count=$tmp
pankso@127 130 count=$(($count - $tmp))
pankso@127 131 fi
pankso@127 132 tmp=$(($count / $page))
pankso@127 133 [ $tmp -ne 0 ] && dd bs=$page count=$tmp
pankso@127 134 dd bs=1 count=$(($count - ($tmp * $page) ))
pankso@127 135 }
pankso@127 136
pankso@127 137 if [ "$REQUEST_METHOD$POST__NAMES" == "POST" ]; then
pankso@127 138 prefix=/tmp/httpd_post
pankso@127 139 mkdir $prefix$$
pankso@127 140 now=$(stat -c %Y $prefix$$)
pankso@127 141 for i in $prefix* ; do
pankso@127 142 [ $(stat -c %Y $i) -lt $(($now - 3600)) ] && rm -rf $i
pankso@127 143 done
pankso@127 144 post=$prefix$$/post
pankso@127 145 n=1
pankso@127 146 cat > ${post}0
pankso@127 147 read args < ${post}0
pankso@127 148 delim="${args%?}"
pankso@127 149 case "$delim" in
pankso@127 150 -*) awk "/$delim/ { o+=index(\$0,\"$delim\")-1; print o }
pankso@127 151 { o+=1+length() }" < ${post}0 | while read offset; do
pankso@127 152 if [ $offset -ne 0 ]; then
pankso@127 153 ddcut $last $offset < ${post}0 > $post$n 2> /dev/null
pankso@127 154 n=$(($n+1))
pankso@127 155 fi
pankso@127 156 last=$offset
pankso@127 157 done
pankso@127 158 rm -f ${post}0
pankso@127 159 CR=`printf '\r'`
pankso@127 160 for i in $post* ; do
pankso@127 161 head -n 2 $i | grep -q filename= || echo '' >> $i
pankso@127 162 filename=
pankso@127 163 while read line; do
pankso@127 164 case "$line" in
pankso@127 165 *Content-Disposition*)
pankso@127 166 name=$(echo $line | sed 's/.* name="\([^"]*\)".*$/\1/')
pankso@127 167 name=${name%%[^A-Za-z_0-9]*}
pankso@127 168 case "$line" in
pankso@127 169 *filename=*) filename=$(echo $line | sed 's/.* filename="\([^"]*\)".*$/\1/') ;;
pankso@127 170 esac ;;
pankso@127 171 *Content-Type*)
pankso@127 172 type=$(echo $line | sed 's/.*-Type: \(.*\).$/\1/') ;;
pankso@127 173 $CR)
pankso@127 174 if [ -n "$filename" ]; then
pankso@127 175 tmp=$(mktemp $prefix$$/uploadXXXXXX)
pankso@127 176 cat > $tmp
pankso@127 177 FILE__NAMES="$FILE__NAMES $name"
pankso@127 178 FILE__NAMES="${FILE__NAMES# }"
pankso@127 179 eval FILE_${name}_tmpname=$tmp
pankso@127 180 eval FILE_${name}_name=$filename
pankso@127 181 eval FILE_${name}_size=$(stat -c %s $tmp)
pankso@127 182 eval FILE_${name}_type=$type
pankso@127 183 elif [ -n "$name" ]; then
pankso@127 184 eval cnt=\$POST_${name}_count
pankso@127 185 cnt=$(($cnt + 1))
pankso@127 186 eval var=\$POST_${name}_$cnt
pankso@127 187 while read line; do
pankso@127 188 [ -n "$var" ] && var="$var
pankso@127 189 "
pankso@127 190 var="$var$line"
pankso@127 191 done
pankso@127 192 eval POST_${name}_$cnt="\$var"
pankso@127 193 eval POST_${name}_count=$cnt
pankso@127 194 case " $POST__NAMES " in
pankso@127 195 *\ $name\ *) ;;
pankso@127 196 *) POST__NAMES="$POST__NAMES $name"
pankso@127 197 POST__NAMES="${POST__NAMES# }" ;;
pankso@127 198 esac
pankso@127 199 fi
pankso@127 200 break ;;
pankso@127 201 *)
pankso@127 202 esac
pankso@127 203 done < $i
pankso@127 204 rm -f $i
pankso@127 205 done
pankso@127 206 rmdir $(dirname $post) ;;
pankso@127 207 *) rm -rf $(dirname $post)
pankso@127 208 read_query_string POST "$args" ;;
pankso@127 209 esac
pankso@127 210 fi