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 # printf 'POST: %s\n' "$cgilite_post" >>debug
   8 # printf 'action: %s\n' "$(GET action)" >>debug
   9
  10 wget="$(which wget)"
  11 wget(){ "$wget" -T 5 -t 1 -q -U '' $@; }
  12 checkid(){ grep -m 1 -xE '[0-9a-zA-Z:_]{12}'; }
  13
  14 genid(){
  15   # generate random ID
  16   head -c9 /dev/urandom \
  17   | uuencode -m - \
  18   | sed -n '2{y;+/;:_;;p}'
  19 }
  20
  21 timeid(){
  22   # generate time based ID
  23   d=$(date +%s)
  24   { printf $(
  25       while [ "$d" -gt 0 ]; do
  26         printf \\%o $((d % 256))
  27         d=$((d / 256))
  28       done
  29     ) | tac
  30     head -c5 /dev/urandom
  31   } \
  32   | uuencode -m - \
  33   | sed -n '2{y;+/;:_;;p}'
  34 }
  35
  36 getFavicon(){
  37   url="$1"
  38   bid="$2"
  39   prot=${url%%://*}
  40   domain="${url#*://}"
  41   domain="${domain%%/*}"
  42   ubase="${prot}://${domain}"
  43   file="${BDB}/favicons/${bid}.ico"
  44
  45   mkdir -p "${BDB}/favicons/" && chmod a+rx "${BDB}/favicons/"
  46
  47   favinfo="$(
  48     wget -O- "$url" \
  49     | head -c4096 \
  50     | sed -rn \
  51       's;^.*(<[Ll][Ii][Nn][Kk]( [^>]*)? [Rr][Re][Ll]='\''([Ss][Hh][Oo][Rr][Tt][Cc][Uu][Tt] )?[Ii][Cc][Oo][Nn]'\''[^>]*>).*$;\1;;
  52        s;^.*(<[Ll][Ii][Nn][Kk]( [^>]*)? [Rr][Re][Ll]="([Ss][Hh][Oo][Rr][Tt][Cc][Uu][Tt] )?[Ii][Cc][Oo][Nn]"[^>]*>).*$;\1;;
  53        tX; b; :X;
  54        s;^.*<([^>]+) [Hh][Rr][Ee][Ff]="([^"]+)".*$:\2;;
  55        s;^.*<([^>]+) [Hh][Rr][Ee][Ff]='\''([^'\'']+)'\''.*$:\2;;
  56        tY; b; :Y; p
  57       '
  58   )"
  59
  60   # printf 'Shortcut icon for %s is %s\n' "$url" "$favinfo" >>debug
  61   [ -z "$favinfo" ] && favinfo="${ubase}/favicon.ico"
  62   case "$favinfo" in
  63     http://*|https://*|//*) wget -O "$file" "$favinfo"
  64     ;;
  65     /*) wget -O "$file" "${ubase}/${favinfo}"
  66     ;;
  67     *) wget -O "$file" "${url%/*}/${favinfo}"
  68     ;;
  69   esac
  70   [ -f "${file}.1" ] && mv "${file}.1" "$file"
  71   chmod a+r "$file"
  72 }
  73
  74 list_folders(){
  75   head -qn1 "${BDB}"/????????????.bm \
  76   | sort -nk3 \
  77   | cut -f1,2
  78 }
  79
  80 order_files(){
  81   n=1000
  82   list_folders \
  83   | while read fid nan; do
  84     file="${BDB}/${fid}.bm"
  85     sed -ri "1s;^(([^\t]+\t){2})[^\t]+(.*)$;\1${n}\3;;" "$file"
  86     n=$((n + 1000))
  87   done
  88 }
  89
  90 COKID="$(COOKIE id |checkid)"
  91 QRYID="$(GET    id |checkid)"
  92 BDB="users/${COKID}"
  93
  94 if [ -n "$QRYID" ]; then
  95   printf 'Status: 303 See Other\r\n'
  96   printf 'Location: %s\r\n' "${SCRIPT_NAME}?${QUERY_STRING#id=????????????}"
  97   SET_COOKIE +8640000 "id=${QRYID}"
  98   printf '\r\n'
  99   exit 0
 100 elif [ -z "$COKID" -a -z "$QRYID" ]; then
 101   printf 'Content-Type: text/html; charset=utf-8\r\n\r\n'
 102
 103   cat <<-EOF
 104         <!DOCTYPE HTML>
 105         <HTML><head>
 106           <title>Bookman - New Collection</title>
 107         </head><body id="newcollection">
 108           <h1>You have not yet set up a collection on this server.</h1>
 109           Click <a href="${SCRIPT_NAME}?action=newid">here</a> to start a new collection.
 110         </body></HTML>
 111         EOF
 112   exit 0
 113 elif ! [ -d "${BDB}" ]; then
 114   printf 'Status: 404 Not Found\r\n'
 115   printf 'Content-Type: text/html; charset=utf-8\r\n\r\n'
 116
 117   cat <<-EOF
 118         <!DOCTYPE HTML>
 119         <HTML><head>
 120           <title>Bookman - 404</title>
 121         </head><body id="missingcollection">
 122           <h1>The collection you requested does not exist on this server.</h1>
 123           Click <a href="${SCRIPT_NAME}?action=newid">here</a> to start a new collection.
 124         </body></HTML>
 125         EOF
 126   exit 0
 127 fi
 128
 129 case "$(GET action)" in
 130   newid)
 131     NEWID="$(genid)"
 132
 133     { git init "users/${NEWID}" || mkdir -p "users/${NEWID}"; } >&-
 134
 135     printf 'Status: 303 See Other\r\n'
 136     printf 'Location: %s\r\n' "${SCRIPT_NAME}?id=${NEWID}"
 137     SET_COOKIE +8640000 "id=${NEWID}"
 138     printf '\r\n'
 139     exit 0
 140     ;;
 141   newfolder)
 142     name="$(POST name |head -n1)"
 143     fid="$(timeid)"
 144     order="$(
 145       head -qn1 "${BDB}"/????????????.bm \
 146       | cut -f3 \
 147       | sort -n \
 148       | tail -n1 \
 149       || printf 1
 150     )"
 151     order="$(((order + 1000) / 1000 * 1000))"
 152     if [ -n "$name" -a -d "${BDB}" ]; then
 153       printf '%s\t%s\t%s\n' "$fid" "$(HTML "$name")" "$order" >"${BDB}/${fid}.bm"
 154       git -C "${BDB}" add "${fid}.bm" >&-
 155       git -C "${BDB}" commit -m "New bookmark folder: ${name} (${fid})" -- "${fid}.bm" >&-
 156     fi
 157     REDIRECT "${SCRIPT_NAME}#${fid}"
 158     ;;
 159   modfolder)
 160     name="$(POST name |head -n1)"
 161     fid="$(POST fid | checkid)"
 162     file="${BDB}/${fid}.bm"
 163     if [ "$(POST control)" = confirm -a -n "$name" -a -f "$file" ]; then
 164       sed -ri "1s'^(${fid}\t)[^\t]+(\t.+)$'\1${name}\2';" "$file"
 165       git -C "${BDB}" add "${fid}.bm" >&-
 166       git -C "${BDB}" commit -m "Renamed folder ${fid} to '${name}'" -- "${fid}.bm" >&-
 167     fi
 168     REDIRECT "${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" = "____________" ]; then
 177         rm -f "$file" "${file%.bm}.cache" >&-
 178         git -C "${BDB}" commit -m "Deleted folder ${fid}" -- "${fid}.bm" >&-
 179       elif tail -n+2 "$file" >>"$tfile"; then
 180         rm -f "$file" "${file%.bm}.cache" >&-
 181         git -C "${BDB}" commit -m "Deleted folder ${fid}" -- "${fid}.bm" "${target}.bm" >&-
 182       fi
 183     fi
 184     REDIRECT "${SCRIPT_NAME}#${target}"
 185     ;;
 186   movefolder)
 187     fid="$(POST fid | checkid)"
 188     target="$(POST target | checkid)"
 189     file="${BDB}/${fid}.bm"
 190     tfile="${BDB}/${target}.bm"
 191     if [ "$target" = "____________" -a -f "$file" -a "$(POST control)" = confirm ]; then
 192       read nan1 nan2 last nan3 <"${BDB}/$(list_folders |tail -n1 |cut -f1).bm"
 193       sed -ri "1s;^(([^\t]+\t){2})[^\t]+(.*)$;\1$((${last:-0} + 1000))\3;;" "$file"
 194     elif [ -f "$tfile" -a -f "$file" -a "$(POST control)" = confirm ]; then
 195       read nan1 nan2 tid nan3 <"$tfile"
 196       sed -ri "1s;^(([^\t]+\t){2})[^\t]+(.*)$;\1$((${tid:-1} -1))\2;;" "$file"
 197       order_files
 198     fi
 199     git -C "${BDB}" commit -a -m "Modified folder order (moved ${fid})" >&-
 200     REDIRECT "${SCRIPT_NAME}#${fid}"
 201     ;;
 202   newbookmark)
 203     fid="$(POST fid | checkid)"
 204     name="$(POST name |head -n1)"
 205     url="$(POST url |head -n1)"
 206     file="${BDB}/${fid}.bm"
 207     bid="$(timeid)"
 208     ctl="$(POST control)"
 209     [ "$url" = "${url#*://}" ] && url="http://$url"
 210
 211     if [ -n "$name" -a -n "$url" -a -f "${file}" -a "$ctl" = "confirm" ]; then
 212       printf '%s\t%s\t%s\n' "$bid" "$(HTML "$name")" "$url" >>"${file}"
 213       git -C "${BDB}" commit -m "New Bookmark: ${name} in ${fid}" -- "${fid}.bm" >&-
 214       getFavicon "$url" "$bid"
 215       REDIRECT "${SCRIPT_NAME}#${fid}"
 216     elif [ "$ctl" = "confirm" ]; then
 217       REDIRECT "${SCRIPT_NAME}?newbm=${fid}&nbmurl=${url}&nbmname=${name}"
 218     else
 219       REDIRECT "${SCRIPT_NAME}#${fid}"
 220     fi
 221     ;;
 222   modbookmark)
 223     bid="$(POST bid | checkid)"
 224     name="$(POST name |head -n1)"
 225     url="$(POST url |head -n1)"
 226     file="$(grep -lm1 "^${bid}" "${BDB}"/????????????.bm |head -n1)"
 227     if [ -n "$name" -a -n "$url" -a "$(POST control)" = confirm -a -w "$file" ]; then
 228       sed -rni "/^${bid}\t/!p; /^${bid}\t/i${bid}\t$(HTML "$name")\t${url}" "$file"
 229       git -C "${BDB}" commit -m "Modified Bookmark: ${name} (${bid}) in ${file##*/}" -- "${file##*/}" >&-
 230     fi
 231     getFavicon "$url" "$bid"
 232     REDIRECT "${SCRIPT_NAME}#${fid}"
 233     ;;
 234   movebookmark)
 235     bid="$(POST bid | checkid)"
 236     fid="$(POST target | checkid)"
 237     sfile="$(grep -lm1 "^${bid}" "${BDB}"/????????????.bm |head -n1)"
 238     tfile="${BDB}/${fid}.bm"
 239
 240     if [ "$(POST control)" = confirm -a -n "$bid" -a -w "$sfile" -a -w "$tfile" ]; then
 241       grep -m1 "^${bid}" "$sfile" >>"$tfile" \
 242       && sed -ri "0,/^${bid}/{/^${bid}/d;}" "$sfile"
 243       git -C "${BDB}" commit -m "Moved Bookmark ${bid} from ${sfile##*/} to ${tfile##*/}" \
 244           -- "${sfile##*/}" "${tfile##*/}" >&-
 245     fi
 246     REDIRECT "${SCRIPT_NAME}#${fid}"
 247     ;;
 248   bmup)
 249     fid="$(GET fid |checkid)"
 250     bid="$(GET bid |checkid)"
 251     file="${BDB}/${fid}.bm"
 252
 253     if [ -n "$bid" -a -n "$fid" ] && grep -q "^${bid}" "$file"; then
 254       sed -ri ":X;\$bY;N;bX;:Y; s;(\n[^\n]+)(\n${bid}\t[^\n]+);\2\1;;" "$file"
 255       git -C "${BDB}" commit -m "Modified bookmark order in ${fid} (raised ${bid})" -- "${fid}.bm" >&-
 256     fi
 257     REDIRECT "${SCRIPT_NAME}#${fid}"
 258     ;;
 259   bmdn)
 260     fid="$(GET fid |checkid)"
 261     bid="$(GET bid |checkid)"
 262     file="${BDB}/${fid}.bm"
 263
 264     if [ -n "$bid" -a -n "$fid" ] && grep -q "^${bid}" "$file"; then
 265       sed -ri ":X;\$bY;N;bX;:Y; s;(\n${bid}\t[^\n]+)(\n[^\n]+);\2\1;;" "$file"
 266       git -C "${BDB}" commit -m "Modified bookmark order in ${fid} (lowered ${bid})" -- "${fid}.bm" >&-
 267     fi
 268     REDIRECT "${SCRIPT_NAME}#${fid}"
 269     ;;
 270   query)
 271     fid="$(POST fid |checkid)"
 272     bid="$(POST bid |checkid)"
 273     file="${BDB}/${fid}.bm"
 274     query="$(URL "$(POST query)")"
 275
 276
 277     url="$(grep -m1 "^${bid}" "$file" |cut -f3-)"
 278     urlpfx="${url%\{@\}*}"
 279     urlsfx="${url#*\{@\}}"
 280
 281     REDIRECT "${urlpfx}${query}${urlsfx}"
 282     ;;
 283 esac
 284
 285 bookmarkgen(){
 286   fid="$(GET newbm |checkid)"
 287   name="$(GET nbmname)"
 288   url="$(GET nbmurl)"
 289   file="${BDB}/${fid}.bm"
 290
 291   if [ -z "$name" -a -n "$url" ]; then
 292     name="$(wget -O- "$url" \
 293             | head -c4096 \
 294             | sed -rn ':X;$bY;N;bX;:Y; s;^.*<title[^>]*>([^<]+)<.*$;\1;p;'
 295           )"
 296   fi
 297
 298   if [ -n "$fid" -o -n "$name" -o -n "$url" ]; then
 299     [ "$url" = "${url#*://}" ] && url="http://$url"
 300     cat <<-EOF
 301         <form class="dialog newbookmark" method="POST" action="${SCRIPT_NAME}?action=newbookmark">
 302           <h1>New Bookmark</h1>
 303           <label>Folder:</label>
 304           <select name="fid">
 305             $(list_folders |while read id n; do
 306               [ "$id" = "$fid" ] \
 307               && printf '<option value="%s" selected="selected">%s</option>' "$id" "$n" \
 308               || printf '<option value="%s">%s</option>' "$id" "$n"
 309             done)
 310             $(printf '<option value="%s">%s</option>' $(list_folders))
 311           </select>
 312           <label>Name:</label>
 313           <input type="text" name="name" value="$(HTML ${name})")" placeholder="Name" />
 314           <label>URL:</label>
 315           <input type="text" name="url"  value="$(HTML "${url}")")" placeholder="URL" />
 316           <button type="submit" name="control" value="confirm">OK</button>
 317           <button type="submit" name="control" value="cancel">Cancel</button>
 318         </form>
 319         EOF
 320   fi
 321 }
 322
 323 bookmarkmod(){
 324   bmod="$(GET bmodify |checkid)"
 325   bmove="$(GET bmove |checkid)"
 326
 327   if [ -n "$bmod" ]; then
 328     file="$(grep -lm1 "^${bmod}" "${BDB}/"????????????.bm |head -n1)"
 329     read bid name url <<-EOF
 330         $(grep -m1 "^${bmod}" "$file")
 331         EOF
 332     cat <<-EOF
 333         <form class="dialog modbookmark" method="POST" action="${SCRIPT_NAME}?action=modbookmark">
 334           <input type="hidden" name="bid" value="${bid}" />
 335           <h1>Modify: ${name}</h1>
 336           <label class="tab">Modify</label>
 337           <a class="tab" href="${SCRIPT_NAME}?bmove=${bid}">Move</a>
 338           <label>Name:</label>
 339           <input type="text" name="name" value="${name}")" placeholder="Name" />
 340           <label>URL:</label>
 341           <input type="text" name="url"  value="$(HTML "${url}")")" placeholder="URL" />
 342           <button type="submit" name="control" value="confirm">OK</button>
 343           <button type="submit" name="control" value="cancel">Cancel</button>
 344         </form>
 345         EOF
 346   elif [ -n "$bmove" ]; then
 347     file="$(grep -lm1 "^${bmove}" "${BDB}/"????????????.bm |head -n1)"
 348     read bid name url <<-EOF
 349         $(grep -m1 "^${bmove}" "$file")
 350         EOF
 351     cat <<-EOF
 352         <form class="dialog modbookmark" method="POST" action="${SCRIPT_NAME}?action=movebookmark">
 353           <input type="hidden" name="bid" value="${bid}" />
 354           <h1>Move: ${name}</h1>
 355           <a class="tab" href="${SCRIPT_NAME}?bmodify=${bid}">Modify</a>
 356           <label class="tab">Move</label>
 357           <label>Move to Folder:</label>
 358           <select name="target">
 359             $(printf '<option value="%s">%s</option>' $(list_folders))
 360           </select>
 361           <button type="submit" name="control" value="confirm">OK</button>
 362           <button type="submit" name="control" value="cancel">Cancel</button>
 363         </form>
 364         EOF
 365   fi
 366 }
 367
 368 show_bookmarks(){
 369   fid="$1"
 370   bmodify="$(GET bmodify |checkid)"
 371
 372   tail -n+2 "${BDB}/${fid}.bm" \
 373   | while read bid name url; do
 374     if [ "${url%\{@\}*}" = "${url}" ]; then
 375       cat <<-EOF
 376         <div class="bookmark">
 377           <a class="modify" href="${SCRIPT_NAME}?bmodify=${bid}">Modify</a>
 378           <a class="link" target="_blank" href="$(HTML "${url}")")">
 379             <img alt="@" src="${BDB}/favicons/${bid}.ico"/>${name}
 380           </a>
 381           <a class="bmove" href="${SCRIPT_NAME}?action=bmup&fid=${fid}&bid=${bid}">Move up</a>
 382           <a class="bmove" href="${SCRIPT_NAME}?action=bmdn&fid=${fid}&bid=${bid}">Move down</a>
 383         </div>
 384         EOF
 385     else
 386       cat <<-EOF
 387         <form class="bookmark" target="_blank" method="POST" action="${SCRIPT_NAME}?action=query">
 388           <a class="modify" href="${SCRIPT_NAME}?bmodify=${bid}">Modify</a>
 389           <input type="hidden" name="fid" value="$fid" />
 390           <input type="hidden" name="bid" value="$bid" />
 391           <img alt="${name}" src="${BDB}/favicons/${bid}.ico"/>
 392           <input name="query" placeholder="$name"/>
 393           <a class="bmove" href="${SCRIPT_NAME}?action=bmup&fid=${fid}&bid=${bid}">Move up</a>
 394           <a class="bmove" href="${SCRIPT_NAME}?action=bmdn&fid=${fid}&bid=${bid}">Move down</a>
 395         </form>
 396         EOF
 397     fi
 398   done
 399 }
 400
 401 foldermod(){
 402   fmodify="$(GET fmodify |checkid )"
 403   fdelete="$(GET fdelete |checkid )"
 404   fmove="$(GET fmove |checkid )"
 405
 406   if [ -n "$fmodify" ]; then
 407     read fid fname order <"${BDB}/${fmodify}.bm"
 408     cat <<-EOF
 409         <form class="dialog modfolder rename" method="POST" action="${SCRIPT_NAME}?action=modfolder">
 410           <h1>Rename Folder: ${fname}</h1>
 411           <input type="hidden" name="fid" value="${fid}" />
 412           <label class="tab">Rename</label>
 413           <a class="tab"
 414             href="${SCRIPT_NAME}?fdelete=${fid}">Delete</a>
 415           <a class="tab"
 416             href="${SCRIPT_NAME}?fmove=${fid}">Move</a>
 417           <input type="text" name="name" value="${fname}" />
 418           <button type="submit" name="control" value="confirm">OK</button>
 419           <button type="submit" name="control" value="cancel">Cancel</button>
 420         </form>
 421         EOF
 422   elif [ -n "$fdelete" ]; then
 423     read fid fname order <"${BDB}/${fdelete}.bm"
 424     cat <<-EOF
 425         <form class="dialog modfolder delete" method="POST" action="${SCRIPT_NAME}?action=delfolder">
 426           <h1>Delete Folder: ${fname}</h1>
 427           <input type="hidden" name="fid" value="${fid}" />
 428           <a class="tab" href="${SCRIPT_NAME}?fmodify=${fid}">Rename</a>
 429           <label class="tab">Delete</label>
 430           <a class="tab"
 431             href="${SCRIPT_NAME}?fmove=${fid}">Move</a>
 432           <label>Pass Bookmarks on to:</label>
 433           <select name="target">
 434             $(printf '<option value="%s">%s</option>' $(list_folders |grep -v "^${fid}"))
 435             <option value="____________">(discard)</option>
 436           </select>
 437           <button type="submit" name="control" value="confirm">OK</button>
 438           <button type="submit" name="control" value="cancel">Cancel</button>
 439         </form>
 440         EOF
 441   elif [ -n "$fmove" ]; then
 442     read fid fname order <"${BDB}/${fmove}.bm"
 443     cat <<-EOF
 444         <form class="dialog modfolder move" method="POST" action="${SCRIPT_NAME}?action=movefolder">
 445           <h1>Move Folder: ${fname}</h1>
 446           <input type="hidden" name="fid" value="${fid}" />
 447           <a class="tab" href="${SCRIPT_NAME}?fmodify=${fid}">Rename</a>
 448           <a class="tab" href="${SCRIPT_NAME}?fdelete=${fid}">Delete</a>
 449           <label class="tab">Move</label>
 450           <label>Move before folder:</label>
 451           <select name="target">
 452             $(printf '<option value="%s">%s</option>' $(list_folders |grep -v "^${fid}"))
 453             <option value="____________">(last)</option>
 454           </select>
 455           <button type="submit" name="control" value="confirm">OK</button>
 456           <button type="submit" name="control" value="cancel">Cancel</button>
 457         </form>
 458         EOF
 459   fi
 460 }
 461
 462 show_folders(){
 463   list_folders \
 464   | while read fid fname order; do
 465     file="${BDB}/${fid}.bm"
 466     cache="${BDB}/${fid}.cache"
 467     if [ "${cache}" -nt "${file}" -a "${cache}" -nt "$0" ]; then
 468       cat "$cache"
 469     else
 470       tee "$cache" <<-EOF
 471         <section class="folder" id="${fid}">
 472           <h1>${fname}</h1>
 473           <a class="modify" href="${SCRIPT_NAME}?fmodify=${fid}">Modify folder "${fname}"</a>
 474           $(show_bookmarks "$fid")
 475           <a class="new bookmark" href="${SCRIPT_NAME}?newbm=${fid}">New Bookmark</a>
 476         </section>
 477         EOF
 478     fi
 479   done
 480 }
 481
 482 SET_COOKIE +8640000 "id=${COKID}"      # Refresh Cookie
 483 printf 'Content-Type: text/html; charset=utf-8\r\n\r\n'
 484
 485 cat <<EOF
 486 <!DOCTYPE HTML>
 487 <HTML><head>
 488   <title>Bookman - Your Collection</title>
 489   <link rel="stylesheet" type="text/css" href="bookmarks.css" />
 490 </head><body id="collection">
 491   $(foldermod)
 492   $(bookmarkmod)
 493   $(bookmarkgen)
 494   $(show_folders)
 495   <form class="newfolder" method="POST" action="${SCRIPT_NAME}?action=newfolder">
 496     <input type="text" name="name" value="" placeholder="New Folder" />
 497     <button type="submit">New</button>
 498   </form>
 499   <footer>
 500     <a href="${SCRIPT_NAME}?id=${COKID}">Permalink for this Collection</a>
 501   </footer>
 502 </body></HTML>
 503 EOF
 504
 505 #set filetype=sh