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 '%s 303 See Other\r\n' "$SERVER_PROTOCOL"
  96   printf 'Location: %s\r\n' "${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 '%s 404 Not Found\r\n' "$SERVER_PROTOCOL"
 115   printf 'Content-Type: text/html; charset=utf-8\r\n\r\n'
 116
 117   cat <<-EOF
 118         <!DOCTYPE HTML>
 119         <HTML><head>
 120           <title>Bookman - 404</title>
 121         </head><body id="missingcollection">
 122           <h1>The collection you requested does not exist on this server.</h1>
 123           Click <a href="${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 '%s 303 See Other\r\n' "$SERVER_PROTOCOL"
 136     printf 'Location: %s\r\n' "${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" = "____________" ] || tail -n+2 "$file" >>"$tfile"; then
 177         rm -f "$file" >&-
 178         git -C "${BDB}" commit -m "Deleted folder ${fid}" -- "${fid}.bm" "${target}.bm" >&-
 179       fi
 180     fi
 181     REDIRECT "${SCRIPT_NAME}#${target}"
 182     ;;
 183   movefolder)
 184     fid="$(POST fid | checkid)"
 185     target="$(POST target | checkid)"
 186     file="${BDB}/${fid}.bm"
 187     tfile="${BDB}/${target}.bm"
 188     if [ "$target" = "____________" -a -f "$file" -a "$(POST control)" = confirm ]; then
 189       read nan1 nan2 last nan3 <"${BDB}/$(list_folders |tail -n1 |cut -f1).bm"
 190       sed -ri "1s;^(([^\t]+\t){2})[^\t]+(.*)$;\1$((${last:-0} + 1000))\3;;" "$file"
 191     elif [ -f "$tfile" -a -f "$file" -a "$(POST control)" = confirm ]; then
 192       read nan1 nan2 tid nan3 <"$tfile"
 193       sed -ri "1s;^(([^\t]+\t){2})[^\t]+(.*)$;\1$((${tid:-1} -1))\2;;" "$file"
 194       order_files
 195     fi
 196     git -C "${BDB}" commit -a -m "Modified folder order (moved ${fid})" >&-
 197     REDIRECT "${SCRIPT_NAME}#${fid}"
 198     ;;
 199   newbookmark)
 200     fid="$(POST fid | checkid)"
 201     name="$(POST name |head -n1)"
 202     url="$(POST url |head -n1)"
 203     file="${BDB}/${fid}.bm"
 204     bid="$(timeid)"
 205     if [ -n "$name" -a -f "${file}" ]; then
 206       printf '%s\t%s\t%s\n' "$bid" "$(HTML "$name")" "$url" >>"${file}"
 207       git -C "${BDB}" commit -m "New Bookmark: ${name} in ${fid}" -- "${fid}.bm" >&-
 208     fi
 209     getFavicon "$url" "$bid"
 210     REDIRECT "${SCRIPT_NAME}#${fid}"
 211     ;;
 212   modbookmark)
 213     bid="$(POST bid | checkid)"
 214     name="$(POST name |head -n1)"
 215     url="$(POST url |head -n1)"
 216     file="$(grep -lm1 "^${bid}" "${BDB}"/????????????.bm |head -n1)"
 217     if [ -n "$name" -a -n "$url" -a "$(POST control)" = confirm -a -w "$file" ]; then
 218       sed -rni "/^${bid}\t/!p; /^${bid}\t/i${bid}\t$(HTML "$name")\t${url}" "$file"
 219       git -C "${BDB}" commit -m "Modified Bookmark: ${name} (${bid}) in ${file##*/}" -- "${file##*/}" >&-
 220     fi
 221     getFavicon "$url" "$bid"
 222     REDIRECT "${SCRIPT_NAME}#${fid}"
 223     ;;
 224   movebookmark)
 225     bid="$(POST bid | checkid)"
 226     fid="$(POST target | checkid)"
 227     sfile="$(grep -lm1 "^${bid}" "${BDB}"/????????????.bm |head -n1)"
 228     tfile="${BDB}/${fid}.bm"
 229
 230     if [ "$(POST control)" = confirm -a -n "$bid" -a -w "$sfile" -a -w "$tfile" ]; then
 231       grep -m1 "^${bid}" "$sfile" >>"$tfile" \
 232       && sed -ri "0,/^${bid}/{/^${bid}/d;}" "$sfile"
 233       git -C "${BDB}" commit -m "Moved Bookmark ${bid} from ${sfile##*/} to ${tfile##*/}" \
 234           -- "${sfile##*/}" "${tfile##*/}" >&-
 235     fi
 236     REDIRECT "${SCRIPT_NAME}#${fid}"
 237     ;;
 238   bmup)
 239     fid="$(GET fid |checkid)"
 240     bid="$(GET bid |checkid)"
 241     file="${BDB}/${fid}.bm"
 242
 243     if [ -n "$bid" -a -n "$fid" ] && grep -q "^${bid}" "$file"; then
 244       sed -ri ":X;\$bY;N;bX;:Y; s;(\n[^\n]+)(\n${bid}\t[^\n]+);\2\1;;" "$file"
 245       git -C "${BDB}" commit -m "Modified bookmark order in ${fid} (raised ${bid})" -- "${fid}.bm" >&-
 246     fi
 247     REDIRECT "${SCRIPT_NAME}#${fid}"
 248     ;;
 249   bmdn)
 250     fid="$(GET fid |checkid)"
 251     bid="$(GET bid |checkid)"
 252     file="${BDB}/${fid}.bm"
 253
 254     if [ -n "$bid" -a -n "$fid" ] && grep -q "^${bid}" "$file"; then
 255       sed -ri ":X;\$bY;N;bX;:Y; s;(\n${bid}\t[^\n]+)(\n[^\n]+);\2\1;;" "$file"
 256       git -C "${BDB}" commit -m "Modified bookmark order in ${fid} (lowered ${bid})" -- "${fid}.bm" >&-
 257     fi
 258     REDIRECT "${SCRIPT_NAME}#${fid}"
 259     ;;
 260   query)
 261     fid="$(POST fid |checkid)"
 262     bid="$(POST bid |checkid)"
 263     file="${BDB}/${fid}.bm"
 264     query="$(URL "$(POST query)")"
 265
 266
 267     url="$(grep -m1 "^${bid}" "$file" |cut -f3-)"
 268     urlpfx="${url%\{@\}*}"
 269     urlsfx="${url#*\{@\}}"
 270
 271     REDIRECT "${urlpfx}${query}${urlsfx}"
 272     ;;
 273 esac
 274
 275 bookmarkmod(){
 276   bmod="$(GET bmodify |checkid)"
 277   bmove="$(GET bmove |checkid)"
 278
 279   if [ -n "$bmod" ]; then
 280     file="$(grep -lm1 "^${bmod}" "${BDB}/"????????????.bm |head -n1)"
 281     read bid name url <<-EOF
 282         $(grep -m1 "^${bmod}" "$file")
 283         EOF
 284     cat <<-EOF
 285         <form class="modbookmark" method="POST" action="${SCRIPT_NAME}?action=modbookmark">
 286           <input type="hidden" name="bid" value="${bid}" />
 287           <h1>Modify: ${name}</h1>
 288           <label class="tab">Modify</label>
 289           <a class="tab" href="${SCRIPT_NAME}?bmove=${bid}">Move</a>
 290           <label>Name:</label>
 291           <input type="text" name="name" value="${name}")" placeholder="Name" />
 292           <label>URL:</label>
 293           <input type="text" name="url"  value="$(HTML "${url}")")" placeholder="URL" />
 294           <button type="submit" name="control" value="confirm">OK</button>
 295           <button type="submit" name="control" value="cancel">Cancel</button>
 296         </form>
 297         EOF
 298   elif [ -n "$bmove" ]; then
 299     file="$(grep -lm1 "^${bmove}" "${BDB}/"????????????.bm |head -n1)"
 300     read bid name url <<-EOF
 301         $(grep -m1 "^${bmove}" "$file")
 302         EOF
 303     cat <<-EOF
 304         <form class="modbookmark" method="POST" action="${SCRIPT_NAME}?action=movebookmark">
 305           <input type="hidden" name="bid" value="${bid}" />
 306           <h1>Move: ${name}</h1>
 307           <a class="tab" href="${SCRIPT_NAME}?bmodify=${bid}">Modify</a>
 308           <label class="tab">Move</label>
 309           <label>Move to Folder:</label>
 310           <select name="target">
 311             $(printf '<option value="%s">%s</option>' $(list_folders))
 312           </select>
 313           <button type="submit" name="control" value="confirm">OK</button>
 314           <button type="submit" name="control" value="cancel">Cancel</button>
 315         </form>
 316         EOF
 317   fi
 318 }
 319
 320 show_bookmarks(){
 321   fid="$1"
 322   bmodify="$(GET bmodify |checkid)"
 323
 324   tail -n+2 "${BDB}/${fid}.bm" \
 325   | while read bid name url; do
 326     if [ "${url%\{@\}*}" = "${url}" ]; then
 327       cat <<-EOF
 328         <div class="bookmark">
 329           <a class="modify" href="${SCRIPT_NAME}?bmodify=${bid}">Modify</a>
 330           <a class="link" target="_blank" href="$(HTML "${url}")")">
 331             <img alt="@" src="${BDB}/favicons/${bid}.ico"/>${name}
 332           </a>
 333           <a class="bmove" href="${SCRIPT_NAME}?action=bmup&fid=${fid}&bid=${bid}">Move up</a>
 334           <a class="bmove" href="${SCRIPT_NAME}?action=bmdn&fid=${fid}&bid=${bid}">Move down</a>
 335         </div>
 336         EOF
 337     else
 338       cat <<-EOF
 339         <form class="bookmark" target="_blank" method="POST" action="${SCRIPT_NAME}?action=query">
 340           <a class="modify" href="${SCRIPT_NAME}?bmodify=${bid}">Modify</a>
 341           <input type="hidden" name="fid" value="$fid" />
 342           <input type="hidden" name="bid" value="$bid" />
 343           <img alt="${name}" src="${BDB}/favicons/${bid}.ico"/>
 344           <input name="query" placeholder="$name"/>
 345           <a class="bmove" href="${SCRIPT_NAME}?action=bmup&fid=${fid}&bid=${bid}">Move up</a>
 346           <a class="bmove" href="${SCRIPT_NAME}?action=bmdn&fid=${fid}&bid=${bid}">Move down</a>
 347         </form>
 348         EOF
 349     fi
 350   done
 351 }
 352
 353 foldermod(){
 354   fmodify="$(GET fmodify |checkid )"
 355   fdelete="$(GET fdelete |checkid )"
 356   fmove="$(GET fmove |checkid )"
 357
 358   if [ -n "$fmodify" ]; then
 359     read fid fname order <"${BDB}/${fmodify}.bm"
 360     cat <<-EOF
 361         <form class="modfolder rename" method="POST" action="${SCRIPT_NAME}?action=modfolder">
 362           <h1>Rename Folder: ${fname}</h1>
 363           <input type="hidden" name="fid" value="${fid}" />
 364           <label class="tab">Rename</label>
 365           <a class="tab"
 366             href="${SCRIPT_NAME}?fdelete=${fid}">Delete</a>
 367           <a class="tab"
 368             href="${SCRIPT_NAME}?fmove=${fid}">Move</a>
 369           <input type="text" name="name" value="${fname}" />
 370           <button type="submit" name="control" value="confirm">OK</button>
 371           <button type="submit" name="control" value="cancel">Cancel</button>
 372         </form>
 373         EOF
 374   elif [ -n "$fdelete" ]; then
 375     read fid fname order <"${BDB}/${fdelete}.bm"
 376     cat <<-EOF
 377         <form class="modfolder delete" method="POST" action="${SCRIPT_NAME}?action=delfolder">
 378           <h1>Delete Folder: ${fname}</h1>
 379           <input type="hidden" name="fid" value="${fid}" />
 380           <a class="tab" href="${SCRIPT_NAME}?fmodify=${fid}">Rename</a>
 381           <label class="tab">Delete</label>
 382           <a class="tab"
 383             href="${SCRIPT_NAME}?fmove=${fid}">Move</a>
 384           <label>Pass Bookmarks on to:</label>
 385           <select name="target">
 386             $(printf '<option value="%s">%s</option>' $(list_folders |grep -v "^${fid}"))
 387             <option value="____________">(discard)</option>
 388           </select>
 389           <button type="submit" name="control" value="confirm">OK</button>
 390           <button type="submit" name="control" value="cancel">Cancel</button>
 391         </form>
 392         EOF
 393   elif [ -n "$fmove" ]; then
 394     read fid fname order <"${BDB}/${fmove}.bm"
 395     cat <<-EOF
 396         <form class="modfolder move" method="POST" action="${SCRIPT_NAME}?action=movefolder">
 397           <h1>Move Folder: ${fname}</h1>
 398           <input type="hidden" name="fid" value="${fid}" />
 399           <a class="tab" href="${SCRIPT_NAME}?fmodify=${fid}">Rename</a>
 400           <a class="tab" href="${SCRIPT_NAME}?fdelete=${fid}">Delete</a>
 401           <label class="tab">Move</label>
 402           <label>Move before folder:</label>
 403           <select name="target">
 404             $(printf '<option value="%s">%s</option>' $(list_folders |grep -v "^${fid}"))
 405             <option value="____________">(last)</option>
 406           </select>
 407           <button type="submit" name="control" value="confirm">OK</button>
 408           <button type="submit" name="control" value="cancel">Cancel</button>
 409         </form>
 410         EOF
 411   fi
 412 }
 413
 414 show_folders(){
 415   list_folders \
 416   | while read fid fname order; do
 417     file="${BDB}/${fid}.bm"
 418     cache="${BDB}/${fid}.cache"
 419     if [ "${cache}" -nt "${file}" ]; then
 420       cat "$cache"
 421     else
 422       tee "$cache" <<-EOF
 423         <section class="folder" id="${fid}">
 424           <h1>${fname}</h1>
 425           <a class="modify" href="${SCRIPT_NAME}?fmodify=${fid}">Modify folder "${fname}"</a>
 426           $(show_bookmarks "$fid")
 427           <form class="newbookmark" method="POST" action="${SCRIPT_NAME}?action=newbookmark">
 428             <input type="hidden" name="fid" value="${fid}" />
 429             <input type="text" name="name" value="" placeholder="Name" />
 430             <input type="text" name="url"  value="" placeholder="URL" />
 431             <button type="submit">New Bookmark</button>
 432           </form>
 433         </section>
 434         EOF
 435     fi
 436   done
 437 }
 438
 439 SET_COOKIE +8640000 "id=${COKID}"      # Refresh Cookie
 440 printf 'Content-Type: text/html; charset=utf-8\r\n\r\n'
 441
 442 cat <<EOF
 443 <!DOCTYPE HTML>
 444 <HTML><head>
 445   <title>Bookman - Your Collection</title>
 446   <link rel="stylesheet" type="text/css" href="bookmarks.css" />
 447 </head><body id="collection">
 448   $(foldermod)
 449   $(bookmarkmod)
 450   $(show_folders)
 451   <form class="newfolder" method="POST" action="${SCRIPT_NAME}?action=newfolder">
 452     <input type="text" name="name" value="" placeholder="New Folder" />
 453     <button type="submit">New</button>
 454   </form>
 455 </body></HTML>
 456 EOF
 457
 458 #set filetype=sh