git.plutz.net Git - bookman/blob - index.cgi

   1 #!/bin/sh
   2
   3 exec 2>>error.log
   4
   5 . shcgi/cgilite.sh
   6 mkdir -p users
   7 #env >>debug
   8 printf 'POST: %s\n' "$cgilite_post" >>debug
   9 printf 'action: %s\n' "$(GET action)" >>debug
  10
  11 wget="$(which wget)"
  12 wget(){ "$wget" -T 5 -t 1 -q -U '' $@; }
  13 checkid(){ grep -m 1 -xE '[0-9a-zA-Z:_]{12}'; }
  14
  15 genid(){
  16   # generate random ID
  17   head -c9 /dev/urandom \
  18   | uuencode -m - \
  19   | sed -n '2{y;+/;:_;;p}'
  20 }
  21
  22 timeid(){
  23   # generate time based ID
  24   d=$(date +%s)
  25   { printf $(
  26       while [ "$d" -gt 0 ]; do
  27         printf \\%o $((d % 256))
  28         d=$((d / 256))
  29       done
  30     ) | tac
  31     head -c5 /dev/urandom
  32   } \
  33   | uuencode -m - \
  34   | sed -n '2{y;+/;:_;;p}'
  35 }
  36
  37 getFavicon(){
  38   url="$1"
  39   bid="$2"
  40   prot=${url%%://*}
  41   domain="${url#*://}"
  42   domain="${domain%%/*}"
  43   ubase="${prot}://${domain}"
  44   file="${BDB}/favicons/${bid}.ico"
  45
  46   mkdir -p "${BDB}/favicons/" && chmod a+rx "${BDB}/favicons/"
  47
  48   favinfo="$(
  49     wget -O- "$url" \
  50     | head -c4096 \
  51     | sed -rn \
  52       's;^.*(<[Ll][Ii][Nn][Kk]( [^>]*)? [Rr][Re][Ll]='\''([Ss][Hh][Oo][Rr][Tt][Cc][Uu][Tt] )?[Ii][Cc][Oo][Nn]'\''[^>]*>).*$;\1;;
  53        s;^.*(<[Ll][Ii][Nn][Kk]( [^>]*)? [Rr][Re][Ll]="([Ss][Hh][Oo][Rr][Tt][Cc][Uu][Tt] )?[Ii][Cc][Oo][Nn]"[^>]*>).*$;\1;;
  54        tX; b; :X;
  55        s;^.*<([^>]+) [Hh][Rr][Ee][Ff]="([^"]+)".*$:\2;;
  56        s;^.*<([^>]+) [Hh][Rr][Ee][Ff]='\''([^'\'']+)'\''.*$:\2;;
  57        tY; b; :Y; p
  58       '
  59   )"
  60
  61   printf 'Shortcut icon for %s is %s\n' "$url" "$favinfo" >>debug
  62   [ -z "$favinfo" ] && favinfo="${ubase}/favicon.ico"
  63   case "$favinfo" in
  64     http://*|https://*|//*) wget -O "$file" "$favinfo"
  65     ;;
  66     /*) wget -O "$file" "${ubase}/${favinfo}"
  67     ;;
  68     *) wget -O "$file" "${url%/*}/${favinfo}"
  69     ;;
  70   esac
  71   [ -f "${file}.1" ] && mv "${file}.1" "$file"
  72   chmod a+r "$file"
  73 }
  74
  75 list_folders(){
  76   head -qn1 "${BDB}"/????????????.bm \
  77   | sort -nk3 \
  78   | cut -f1,2
  79 }
  80
  81
  82 QRYID="$(GET    id |checkid)"
  83 COKID="$(COOKIE id |checkid)"
  84 BDB="users/${QRYID}"
  85
  86 case "$(GET action)" in
  87   newid)
  88     NEWID="$(genid)"
  89
  90     { git init "users/${NEWID}" || mkdir -p "users/${NEWID}"; } >&-
  91
  92     printf '%s 303 See Other\r\n' "$SERVER_PROTOCOL"
  93     printf 'Location: %s\r\n' "${SCRIPT_NAME}?id=${NEWID}"
  94     SET_COOKIE +8640000 "id=${NEWID}"
  95     printf '\r\n'
  96     exit 0
  97     ;;
  98   newfolder)
  99     name="$(POST name |head -n1)"
 100     fid="$(timeid)"
 101     order="$(
 102       head -qn1 "${BDB}"/????????????.bm \
 103       | cut -f3 \
 104       | sort -n \
 105       | tail -n1 \
 106       || printf 1
 107     )"
 108     order="$(((order + 1000) / 1000 * 1000))"
 109     if [ -n "$name" -a -d "${BDB}" ]; then
 110       printf '%s\t%s\t%s\n' "$fid" "$(HTML "$name")" "$order" >"${BDB}/${fid}.bm"
 111     fi
 112     REDIRECT "${SCRIPT_NAME}?id=${QRYID}#${fid}"
 113     ;;
 114   modfolder)
 115     name="$(POST name |head -n1)"
 116     fid="$(POST fid | checkid)"
 117     file="${BDB}/${fid}.bm"
 118     if [ "$(POST control)" = confirm -a -n "$name" -a -f "$file" ]; then
 119       order="$(head -n1 "$file" |cut -f3 || printf 1000)"
 120       printf '%s\t%s\t%s\n' "$fid" "$(HTML "$name")" "$order" >"${file%.bm}.tmp"
 121       tail -n+2 "$file" >>"${file%.bm}.tmp"
 122       mv "${file%.bm}.tmp" "$file"
 123     fi
 124     REDIRECT "${SCRIPT_NAME}?id=${QRYID}#${fid}"
 125     ;;
 126   newbookmark)
 127     fid="$(POST fid | checkid)"
 128     name="$(POST name |head -n1)"
 129     url="$(POST url |head -n1)"
 130     file="${BDB}/${fid}.bm"
 131     bid="$(timeid)"
 132     if [ -n "$name" -a -f "${file}" ]; then
 133       printf '%s\t%s\t%s\n' "$bid" "$(HTML "$name")" "$(HTML "$url")" >>"${file}"
 134     fi
 135     getFavicon "$url" "$bid"
 136     REDIRECT "${SCRIPT_NAME}?id=${QRYID}#${fid}"
 137     ;;
 138   modbookmark)
 139     bid="$(POST bid | checkid)"
 140     name="$(POST name |head -n1)"
 141     url="$(POST url |head -n1)"
 142     file="$(grep -lE "^${bid}" "${BDB}"/????????????.bm)"
 143     if [ -w "$file" -a -n "$name" -a -n "$url" ]; then
 144       bm="$(printf '%s\t%s\t%s' "$bid" "$(HTML "$name")" "$(HTML "$url")" |sed -r 's;[\&\;];\\&;g;')"
 145       sed -ri "s;^${bid}\t.*$;${bm};" "$file"
 146     fi
 147     getFavicon "$url" "$bid"
 148     REDIRECT "${SCRIPT_NAME}?id=${QRYID}#${fid}"
 149     ;;
 150 esac
 151
 152 if [ -z "$QRYID" -a -n "$COKID" ]; then
 153   REDIRECT "${SCRIPT_NAME}?id=${COKID}"
 154 elif [ -n "$QRYID" -a -z "$COKID" ]; then
 155   SET_COOKIE +8640000 "id=${QRYID}"
 156 fi
 157
 158 if [ -z "$QRYID" -a -z "$COKID" ]; then
 159   printf 'Content-Type: text/html; charset=utf-8\r\n\r\n'
 160
 161   cat <<-EOF
 162         <!DOCTYPE HTML>
 163         <HTML><head>
 164           <title>Bookman - New Collection</title>
 165         </head><body id="newcollection">
 166           <h1>You have not yet set up a collection on this server.</h1>
 167           Click <a href="${SCRIPT_NAME}?action=newid">here</a> to start a new collection.
 168         </body></HTML>
 169         EOF
 170   exit 0
 171 elif ! [ -d "users/${QRYID}" ]; then
 172   printf '%s 404 Not Found\r\n' "$SERVER_PROTOCOL"
 173   printf 'Content-Type: text/html; charset=utf-8\r\n\r\n'
 174
 175   cat <<-EOF
 176         <!DOCTYPE HTML>
 177         <HTML><head>
 178           <title>Bookman - 404</title>
 179         </head><body id="missingcollection">
 180           <h1>The collection you requested does not exist on this server.</h1>
 181           Click <a href="${SCRIPT_NAME}?action=newid">here</a> to start a new collection.
 182         </body></HTML>
 183         EOF
 184   exit 0
 185 fi
 186
 187 list_bookmarks(){
 188   fid="$1"
 189   bmodify="$(GET bmodify |checkid)"
 190
 191   tail -n+2 "${BDB}/${fid}.bm" \
 192   | while read bid name url; do
 193     if [ "${bid}" = "$bmodify" ]; then
 194       cat <<-EOF
 195         <form class="modbookmark" method="POST" action="${SCRIPT_NAME}?id=${QRYID}&action=modbookmark">
 196           <input type="hidden" name="bid" value="${bid}" />
 197           <input type="text" name="name" value="${name}")" placeholder="Name" />
 198           <input type="text" name="url"  value="${url}")" placeholder="URL" />
 199           <button type="submit">Modify</button>
 200         </form>
 201         EOF
 202     else
 203       cat <<-EOF
 204         <div class="bookmark">
 205           <a class="modify" href="${SCRIPT_NAME}?id=${QRYID}&bmodify=${bid}">Modify</a>
 206           <a class="link" href="${url}")"><img src="${BDB}/favicons/${bid}.ico"/>${name}</a>
 207         </div>
 208         EOF
 209     fi
 210   done
 211 }
 212
 213 foldermod(){
 214   fmodify="$(GET fmodify |checkid )"
 215   fdelete="$(GET fdelete |checkid )"
 216   fmove="$(GET fmove |checkid )"
 217
 218   if [ -n "$fmodify" ]; then
 219     read fid fname order <"${BDB}/${fmodify}.bm"
 220     cat <<-EOF
 221         <form class="modfolder rename" method="POST" action="${SCRIPT_NAME}?id=${QRYID}&action=modfolder">
 222           <h1>Rename Folder: ${fname}</h1>
 223           <input type="hidden" name="fid" value="${fid}" />
 224           <label class="tab">Rename</label>
 225           <a class="tab"
 226             href="${SCRIPT_NAME}?id=${QRYID}&fdelete=${fid}">Delete</a>
 227           <a class="tab"
 228             href="${SCRIPT_NAME}?id=${QRYID}&fmove=${fid}">Move</a>
 229           <input type="text" name="name" value="${fname}" />
 230           <button type="submit" name="control" value="confirm">OK</button>
 231           <button type="submit" name="control" value="cancel">Cancel</button>
 232         </form>
 233         EOF
 234   elif [ -n "$fdelete" ]; then
 235     read fid fname order <"${BDB}/${fdelete}.bm"
 236     cat <<-EOF
 237         <form class="modfolder delete" method="POST" action="${SCRIPT_NAME}?id=${QRYID}&action=delfolder">
 238           <h1>Delete Folder: ${fname}</h1>
 239           <input type="hidden" name="fid" value="${fid}" />
 240           <a class="tab" href="${SCRIPT_NAME}?id=${QRYID}&fmodify=${fid}">Rename</a>
 241           <label class="tab">Delete</label>
 242           <a class="tab"
 243             href="${SCRIPT_NAME}?id=${QRYID}&fmove=${fid}">Move</a>
 244           <label>Pass Bookmarks on to:</label>
 245           <select name="target">
 246             $(printf '<option value="%s">%s</option>' $(list_folders |grep -v "^${fid}"))
 247             <option value="____________">(none)</option>
 248           </select>
 249           <button type="submit" name="control" value="confirm">OK</button>
 250           <button type="submit" name="control" value="cancel">Cancel</button>
 251         </form>
 252         EOF
 253   elif [ -n "$fmove" ]; then
 254     read fid fname order <"${BDB}/${fmove}.bm"
 255     cat <<-EOF
 256         <form class="modfolder move" method="POST" action="${SCRIPT_NAME}?id=${QRYID}&action=modfolder">
 257           <h1>Move Folder: ${fname}</h1>
 258           <input type="hidden" name="fid" value="${fid}" />
 259           <a class="tab" href="${SCRIPT_NAME}?id=${QRYID}&fmodify=${fid}">Rename</a>
 260           <a class="tab" href="${SCRIPT_NAME}?id=${QRYID}&fdelete=${fid}">Delete</a>
 261           <label class="tab">Move</label>
 262           <label>Move before folder:</label>
 263           <select name="target">
 264             $(printf '<option value="%s">%s</option>' $(list_folders |grep -v "^${fid}"))
 265             <option value="____________">(last)</option>
 266           </select>
 267           <button type="submit" name="control" value="confirm">OK</button>
 268           <button type="submit" name="control" value="cancel">Cancel</button>
 269         </form>
 270         EOF
 271   fi
 272 }
 273
 274 show_folders(){
 275   list_folders \
 276   | while read fid fname order; do
 277     cat <<-EOF
 278         <section class="folder" id="${fid}">
 279           <h1>${fname}</h1>
 280           <a class="modify" href="${SCRIPT_NAME}?id=${QRYID}&fmodify=${fid}">Modify</a>
 281           $(list_bookmarks "$fid")
 282           <form class="newbookmark" method="POST" action="${SCRIPT_NAME}?id=${QRYID}&action=newbookmark">
 283             <input type="hidden" name="fid" value="${fid}" />
 284             <input type="text" name="name" value="" placeholder="Name" />
 285             <input type="text" name="url"  value="" placeholder="URL" />
 286             <button type="submit">New Bookmark</button>
 287           </form>
 288         </section>
 289         EOF
 290   done
 291 }
 292
 293 printf 'Content-Type: text/html; charset=utf-8\r\n\r\n'
 294 cat <<EOF
 295 <!DOCTYPE HTML>
 296 <HTML><head>
 297   <title>Bookman - Your Collection</title>
 298   <link rel="stylesheet" type="text/css" href="bookmarks.css" />
 299 </head><body id="collection">
 300   $(foldermod)
 301   $(show_folders)
 302   <form class="newfolder" method="POST" action="${SCRIPT_NAME}?id=${QRYID}&action=newfolder">
 303     <input type="text" name="name" value="" placeholder="New Folder" />
 304     <button type="submit">New</button>
 305   </form>
 306 </body></HTML>
 307 EOF
 308
 309 #set filetype=sh