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 order_files(){
  82   n=1000
  83   list_folders \
  84   | while read fid nan; do
  85     file="${BDB}/${fid}.bm"
  86     sed -ri "1s;^(([^\t]+\t){2})[^\t]+(.*)$;\1${n}\3;;" "$file"
  87     n=$((n + 1000))
  88   done
  89 }
  90
  91 COKID="$(COOKIE id |checkid)"
  92 QRYID="$(GET    id |checkid)"
  93 BDB="users/${COKID}"
  94
  95 if [ -n "$QRYID" ]; then
  96   printf '%s 303 See Other\r\n' "$SERVER_PROTOCOL"
  97   printf 'Location: %s\r\n' "${SCRIPT_NAME}"
  98   SET_COOKIE +8640000 "id=${QRYID}"
  99   printf '\r\n'
 100   exit 0
 101 elif [ -z "$COKID" -a -z "$QRYID" ]; then
 102   printf 'Content-Type: text/html; charset=utf-8\r\n\r\n'
 103
 104   cat <<-EOF
 105         <!DOCTYPE HTML>
 106         <HTML><head>
 107           <title>Bookman - New Collection</title>
 108         </head><body id="newcollection">
 109           <h1>You have not yet set up a collection on this server.</h1>
 110           Click <a href="${SCRIPT_NAME}?action=newid">here</a> to start a new collection.
 111         </body></HTML>
 112         EOF
 113   exit 0
 114 elif ! [ -d "${BDB}" ]; then
 115   printf '%s 404 Not Found\r\n' "$SERVER_PROTOCOL"
 116   printf 'Content-Type: text/html; charset=utf-8\r\n\r\n'
 117
 118   cat <<-EOF
 119         <!DOCTYPE HTML>
 120         <HTML><head>
 121           <title>Bookman - 404</title>
 122         </head><body id="missingcollection">
 123           <h1>The collection you requested does not exist on this server.</h1>
 124           Click <a href="${SCRIPT_NAME}?action=newid">here</a> to start a new collection.
 125         </body></HTML>
 126         EOF
 127   exit 0
 128 fi
 129
 130 case "$(GET action)" in
 131   newid)
 132     NEWID="$(genid)"
 133
 134     { git init "users/${NEWID}" || mkdir -p "users/${NEWID}"; } >&-
 135
 136     printf '%s 303 See Other\r\n' "$SERVER_PROTOCOL"
 137     printf 'Location: %s\r\n' "${SCRIPT_NAME}?id=${NEWID}"
 138     SET_COOKIE +8640000 "id=${NEWID}"
 139     printf '\r\n'
 140     exit 0
 141     ;;
 142   newfolder)
 143     name="$(POST name |head -n1)"
 144     fid="$(timeid)"
 145     order="$(
 146       head -qn1 "${BDB}"/????????????.bm \
 147       | cut -f3 \
 148       | sort -n \
 149       | tail -n1 \
 150       || printf 1
 151     )"
 152     order="$(((order + 1000) / 1000 * 1000))"
 153     if [ -n "$name" -a -d "${BDB}" ]; then
 154       printf '%s\t%s\t%s\n' "$fid" "$(HTML "$name")" "$order" >"${BDB}/${fid}.bm"
 155     fi
 156     REDIRECT "${SCRIPT_NAME}#${fid}"
 157     ;;
 158   modfolder)
 159     name="$(POST name |head -n1)"
 160     fid="$(POST fid | checkid)"
 161     file="${BDB}/${fid}.bm"
 162     if [ "$(POST control)" = confirm -a -n "$name" -a -f "$file" ]; then
 163       order="$(head -n1 "$file" |cut -f3 || printf 1000)"
 164       printf '%s\t%s\t%s\n' "$fid" "$(HTML "$name")" "$order" >"${file%.bm}.tmp"
 165       tail -n+2 "$file" >>"${file%.bm}.tmp"
 166       mv "${file%.bm}.tmp" "$file"
 167     fi
 168     REDIRECT "${SCRIPT_NAME}#${fid}"
 169     ;;
 170   delfolder)
 171     fid="$(POST fid | checkid)"
 172     target="$(POST target | checkid)"
 173     file="${BDB}/${fid}.bm"
 174     tfile="${BDB}/${target}.bm"
 175     if [ "$(POST control)" = confirm -a -f "$file" ]; then
 176       if [ "$target" = "____________" ] || tail -n+2 "$file" >>"$tfile"; then
 177         rm -f "$file"
 178       fi
 179     fi
 180     REDIRECT "${SCRIPT_NAME}#${target}"
 181     ;;
 182   movefolder)
 183     fid="$(POST fid | checkid)"
 184     target="$(POST target | checkid)"
 185     file="${BDB}/${fid}.bm"
 186     tfile="${BDB}/${target}.bm"
 187     if [ "$target" = "____________" -a -f "$file" -a "$(POST control)" = confirm ]; then
 188       read nan1 nan2 last nan3 <"${BDB}/$(list_folders |tail -n1 |cut -f1).bm"
 189       sed -ri "1s;^(([^\t]+\t){2})[^\t]+(.*)$;\1$((${last:-0} + 1000))\3;;" "$file"
 190     elif [ -f "$tfile" -a -f "$file" -a "$(POST control)" = confirm ]; then
 191       read nan1 nan2 tid nan3 <"$tfile"
 192       sed -ri "1s;^(([^\t]+\t){2})[^\t]+(.*)$;\1$((${tid:-1} -1))\2;;" "$file"
 193       order_files
 194     fi
 195     REDIRECT "${SCRIPT_NAME}#${fid}"
 196     ;;
 197   newbookmark)
 198     fid="$(POST fid | checkid)"
 199     name="$(POST name |head -n1)"
 200     url="$(POST url |head -n1)"
 201     file="${BDB}/${fid}.bm"
 202     bid="$(timeid)"
 203     if [ -n "$name" -a -f "${file}" ]; then
 204       printf '%s\t%s\t%s\n' "$bid" "$(HTML "$name")" "$(HTML "$url")" >>"${file}"
 205     fi
 206     getFavicon "$url" "$bid"
 207     REDIRECT "${SCRIPT_NAME}#${fid}"
 208     ;;
 209   modbookmark)
 210     bid="$(POST bid | checkid)"
 211     name="$(POST name |head -n1)"
 212     url="$(POST url |head -n1)"
 213     file="$(grep -lm1 "^${bid}" "${BDB}"/????????????.bm |head -n1)"
 214     if [ -n "$name" -a -n "$url" -a "$(POST control)" = confirm -a -w "$file" ]; then
 215       bm="$(printf '%s\t%s\t%s' "$bid" "$(HTML "$name")" "$(HTML "$url")" |sed -r 's;[\&\;];\\&;g;')"
 216       sed -ri "s;^${bid}\t.*$;${bm};" "$file"
 217     fi
 218     getFavicon "$url" "$bid"
 219     REDIRECT "${SCRIPT_NAME}#${fid}"
 220     ;;
 221   movebookmark)
 222     bid="$(POST bid | checkid)"
 223     fid="$(POST target | checkid)"
 224     sfile="$(grep -lm1 "^${bid}" "${BDB}"/????????????.bm |head -n1)"
 225     tfile="${BDB}/${fid}.bm"
 226
 227     if [ "$(POST control)" = confirm -a -n "$bid" -a -w "$sfile" -a -w "$tfile" ]; then
 228       grep -m1 "^${bid}" "$sfile" >>"$tfile" \
 229       && sed -ri "0,/^${bid}/{/^${bid}/d;}" "$sfile"
 230     fi
 231     REDIRECT "${SCRIPT_NAME}#${fid}"
 232     ;;
 233   bmup)
 234     fid="$(GET fid |checkid)"
 235     bid="$(GET bid |checkid)"
 236     file="${BDB}/${fid}.bm"
 237
 238     if [ -n "$bid" -a -n "$fid" ] && grep -q "^${bid}" "$file"; then
 239       sed -ri ":X;\$bY;N;bX;:Y; s;(\n[^\n]+)(\n${bid}\t[^\n]+);\2\1;;" "$file"
 240     fi
 241     REDIRECT "${SCRIPT_NAME}#${fid}"
 242     ;;
 243   bmdn)
 244     fid="$(GET fid |checkid)"
 245     bid="$(GET bid |checkid)"
 246     file="${BDB}/${fid}.bm"
 247
 248     if [ -n "$bid" -a -n "$fid" ] && grep -q "^${bid}" "$file"; then
 249       sed -ri ":X;\$bY;N;bX;:Y; s;(\n${bid}\t[^\n]+)(\n[^\n]+);\2\1;;" "$file"
 250     fi
 251     REDIRECT "${SCRIPT_NAME}#${fid}"
 252     ;;
 253 esac
 254
 255 bookmarkmod(){
 256   bmod="$(GET bmodify |checkid)"
 257   bmove="$(GET bmove |checkid)"
 258
 259   if [ -n "$bmod" ]; then
 260     file="$(grep -lm1 "^${bmod}" "${BDB}/"????????????.bm |head -n1)"
 261     read bid name url <<-EOF
 262         $(grep -m1 "^${bmod}" "$file")
 263         EOF
 264     cat <<-EOF
 265         <form class="modbookmark" method="POST" action="${SCRIPT_NAME}?action=modbookmark">
 266           <input type="hidden" name="bid" value="${bid}" />
 267           <h1>Modify: ${name}</h1>
 268           <label class="tab">Modify</label>
 269           <a class="tab" href="${SCRIPT_NAME}?bmove=${bid}">Move</a>
 270           <label>Name:</label>
 271           <input type="text" name="name" value="${name}")" placeholder="Name" />
 272           <label>URL:</label>
 273           <input type="text" name="url"  value="${url}")" placeholder="URL" />
 274           <button type="submit" name="control" value="confirm">OK</button>
 275           <button type="submit" name="control" value="cancel">Cancel</button>
 276         </form>
 277         EOF
 278   elif [ -n "$bmove" ]; then
 279     file="$(grep -lm1 "^${bmove}" "${BDB}/"????????????.bm |head -n1)"
 280     read bid name url <<-EOF
 281         $(grep -m1 "^${bmove}" "$file")
 282         EOF
 283     cat <<-EOF
 284         <form class="modbookmark" method="POST" action="${SCRIPT_NAME}?action=movebookmark">
 285           <input type="hidden" name="bid" value="${bid}" />
 286           <h1>Move: ${name}</h1>
 287           <a class="tab" href="${SCRIPT_NAME}?bmodify=${bid}">Modify</a>
 288           <label class="tab">Move</label>
 289           <label>Move to Folder:</label>
 290           <select name="target">
 291             $(printf '<option value="%s">%s</option>' $(list_folders))
 292           </select>
 293           <button type="submit" name="control" value="confirm">OK</button>
 294           <button type="submit" name="control" value="cancel">Cancel</button>
 295         </form>
 296         EOF
 297   fi
 298 }
 299
 300 show_bookmarks(){
 301   fid="$1"
 302   bmodify="$(GET bmodify |checkid)"
 303
 304   tail -n+2 "${BDB}/${fid}.bm" \
 305   | while read bid name url; do
 306     cat <<-EOF
 307         <div class="bookmark">
 308           <a class="modify" href="${SCRIPT_NAME}?bmodify=${bid}">Modify</a>
 309           <a class="link" href="${url}")"><img src="${BDB}/favicons/${bid}.ico"/>${name}</a>
 310           <a class="bmove" href="${SCRIPT_NAME}?action=bmup&fid=${fid}&bid=${bid}">move left</a>
 311           <a class="bmove" href="${SCRIPT_NAME}?action=bmdn&fid=${fid}&bid=${bid}">move right</a>
 312         </div>
 313         EOF
 314   done
 315 }
 316
 317 foldermod(){
 318   fmodify="$(GET fmodify |checkid )"
 319   fdelete="$(GET fdelete |checkid )"
 320   fmove="$(GET fmove |checkid )"
 321
 322   if [ -n "$fmodify" ]; then
 323     read fid fname order <"${BDB}/${fmodify}.bm"
 324     cat <<-EOF
 325         <form class="modfolder rename" method="POST" action="${SCRIPT_NAME}?action=modfolder">
 326           <h1>Rename Folder: ${fname}</h1>
 327           <input type="hidden" name="fid" value="${fid}" />
 328           <label class="tab">Rename</label>
 329           <a class="tab"
 330             href="${SCRIPT_NAME}?fdelete=${fid}">Delete</a>
 331           <a class="tab"
 332             href="${SCRIPT_NAME}?fmove=${fid}">Move</a>
 333           <input type="text" name="name" value="${fname}" />
 334           <button type="submit" name="control" value="confirm">OK</button>
 335           <button type="submit" name="control" value="cancel">Cancel</button>
 336         </form>
 337         EOF
 338   elif [ -n "$fdelete" ]; then
 339     read fid fname order <"${BDB}/${fdelete}.bm"
 340     cat <<-EOF
 341         <form class="modfolder delete" method="POST" action="${SCRIPT_NAME}?action=delfolder">
 342           <h1>Delete Folder: ${fname}</h1>
 343           <input type="hidden" name="fid" value="${fid}" />
 344           <a class="tab" href="${SCRIPT_NAME}?fmodify=${fid}">Rename</a>
 345           <label class="tab">Delete</label>
 346           <a class="tab"
 347             href="${SCRIPT_NAME}?fmove=${fid}">Move</a>
 348           <label>Pass Bookmarks on to:</label>
 349           <select name="target">
 350             $(printf '<option value="%s">%s</option>' $(list_folders |grep -v "^${fid}"))
 351             <option value="____________">(discard)</option>
 352           </select>
 353           <button type="submit" name="control" value="confirm">OK</button>
 354           <button type="submit" name="control" value="cancel">Cancel</button>
 355         </form>
 356         EOF
 357   elif [ -n "$fmove" ]; then
 358     read fid fname order <"${BDB}/${fmove}.bm"
 359     cat <<-EOF
 360         <form class="modfolder move" method="POST" action="${SCRIPT_NAME}?action=movefolder">
 361           <h1>Move Folder: ${fname}</h1>
 362           <input type="hidden" name="fid" value="${fid}" />
 363           <a class="tab" href="${SCRIPT_NAME}?fmodify=${fid}">Rename</a>
 364           <a class="tab" href="${SCRIPT_NAME}?fdelete=${fid}">Delete</a>
 365           <label class="tab">Move</label>
 366           <label>Move before folder:</label>
 367           <select name="target">
 368             $(printf '<option value="%s">%s</option>' $(list_folders |grep -v "^${fid}"))
 369             <option value="____________">(last)</option>
 370           </select>
 371           <button type="submit" name="control" value="confirm">OK</button>
 372           <button type="submit" name="control" value="cancel">Cancel</button>
 373         </form>
 374         EOF
 375   fi
 376 }
 377
 378 show_folders(){
 379   list_folders \
 380   | while read fid fname order; do
 381     cat <<-EOF
 382         <section class="folder" id="${fid}">
 383           <h1>${fname}</h1>
 384           <a class="modify" href="${SCRIPT_NAME}?fmodify=${fid}">Modify</a>
 385           $(show_bookmarks "$fid")
 386           <form class="newbookmark" method="POST" action="${SCRIPT_NAME}?action=newbookmark">
 387             <input type="hidden" name="fid" value="${fid}" />
 388             <input type="text" name="name" value="" placeholder="Name" />
 389             <input type="text" name="url"  value="" placeholder="URL" />
 390             <button type="submit">New Bookmark</button>
 391           </form>
 392         </section>
 393         EOF
 394   done
 395 }
 396
 397 SET_COOKIE +8640000 "id=${COKID}"      # Refresh Cookie
 398 printf 'Content-Type: text/html; charset=utf-8\r\n\r\n'
 399
 400 cat <<EOF
 401 <!DOCTYPE HTML>
 402 <HTML><head>
 403   <title>Bookman - Your Collection</title>
 404   <link rel="stylesheet" type="text/css" href="bookmarks.css" />
 405 </head><body id="collection">
 406   $(foldermod)
 407   $(bookmarkmod)
 408   $(show_folders)
 409   <form class="newfolder" method="POST" action="${SCRIPT_NAME}?action=newfolder">
 410     <input type="text" name="name" value="" placeholder="New Folder" />
 411     <button type="submit">New</button>
 412   </form>
 413 </body></HTML>
 414 EOF
 415
 416 #set filetype=sh