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   1 #!/bin/sh
   2
   3 . "${_EXEC:-${0%/*}}/cgilite/cgilite.sh"
   4 . "${_EXEC:-${0%/*}}/cgilite/storage.sh"
   5 . "${_EXEC:-${0%/*}}/cgilite/json.sh"
   6
   7 [ "$_DATE" ] || _DATE="$(date +%s)"
   8
   9 debug "$REQUEST_METHOD  $REQUEST_URI    $SERVER_PROTOCOL        $_DATE"
  10
  11 ingest() {
  12   local J="$1" ztmp="${TMP:-/tmp}/zipfile_$$.zip"
  13
  14   # json_get "$J" title
  15   # json_get "$J" parts.comments
  16
  17   case $(json_get "$J" title) in
  18     *.md|*.txt|*.csv)
  19       printf %s "$content" |base64 -d
  20       ;;
  21     *.pdf)
  22       printf %s "$content" |base64 -d \
  23       | pdftotext - -
  24       ;;
  25     *.doc)
  26       printf %s "$content" |base64 -d \
  27       | catdoc /dev/stdin
  28       ;;
  29     *.xls)
  30       printf %s "$content" |base64 -d \
  31       | xls2csv /dev/stdin
  32       ;;
  33     *.ppt)
  34       printf %s "$content" |base64 -d \
  35       | catppt /dev/stdin
  36       ;;
  37     *.html|*.xml|*.svg)
  38       printf %s "$content" |base64 -d \
  39       | sed 's;<[^>]*>;;g'
  40       ;;
  41     *.docx)
  42       printf %s "$content" |base64 -d >"$ztmp"
  43       unzip -qc "$ztmp" word/document.xml \
  44       | head -c 128M | sed 's;<[^>]*>;;g'
  45       rm -- "$ztmp"
  46       ;;
  47     *.xlsx)
  48       printf %s "$content" |base64 -d >"$ztmp"
  49       unzip -qc "$ztmp" xl/sharedStrings.xml \
  50       | head -c 128M | sed 's;<[^>]*>; ;g'
  51       rm -- "$ztmp"
  52       ;;
  53     *.odt)
  54       printf %s "$content" |base64 -d >"$ztmp"
  55       unzip -qc "$ztmp" content.xml \
  56       | head -c 128M | sed 's;<[^>]*>;;g'
  57       rm -- "$ztmp"
  58       ;;
  59     *.ods|*.odp)
  60       printf %s "$content" |base64 -d >"$ztmp"
  61       unzip -qc "$ztmp" content.xml \
  62       | head -c 128M | sed 's;<[^>]*>; ;g'
  63       rm -- "$ztmp"
  64       ;;
  65     *):;;
  66   esac
  67 }
  68
  69 search() {
  70   local index="$1" words w num total freq doc date J
  71   shift 1; words="$@"
  72
  73   words="$(printf %s\\n "$words" | awk '
  74     BEGIN { # Field separator FS should include punctuation, including Unicode Block U+2000 - U+206F
  75             if ( length("¡") == 1 )  # Utf-8 aware AWK
  76             FS = "([] \\t\\n\\r!\"#'\''()*+,./:;<=>?\\\\^_`{|}~[-]|%[0-9A-Fa-f]{2}|'"$(printf '[\342\200\200-\342\201\257]')"')+";
  77             else                     # UTF-8 Hack
  78             FS = "([] \\t\\n\\r!\"#'\''()*+,./:;<=>?\\\\^_`{|}~[-]|%[0-9A-Fa-f]{2}|'"$(printf '\342\200[\200-\277]|\342\201[\201-\257]')"')+";
  79             fi
  80           }
  81       { for (n = 1; n <= NF; n++) printf "%s  ", tolower($n); }
  82   ')"
  83
  84   for w in ${words}; do
  85     [ ! -f "${index}/$w" ] && continue
  86
  87     while read num total freq doc date; do
  88       printf '%s-%i  %f\n' "${doc}" "${date}" "$freq"
  89     done <"${index}/$w"
  90   done \
  91   | awk '
  92         { cnt[$1]++; weight[$1] = weight[$1] ? weight[$1] + $2 : $2; }
  93     END { m = 0; for (d in cnt) m = ( m < cnt[d] ) ? cnt[d] : m;
  94           for (d in cnt) if ( cnt[d] == m ) printf "%f    %s\n", weight[d], d;
  95         }
  96   ' \
  97   | sort -nr \
  98   | while read freq doc; do
  99     date="${doc##*-}" doc="$(UNSTRING "${doc%-*}")"
 100
 101     if J="$(DBM "$_records" get "$doc")"; then
 102       [ "$date" -eq "$(json_get obj:"$J" _indexdate)" ] \
 103       && printf '%f     %s      %s\n' \
 104          "$freq" "$(STRING "$doc")" "$(STRING "$J")"
 105     fi
 106   done
 107 }
 108
 109 _INDEX="${PATH_INFO#/}" _INDEX="${_INDEX%%/*}"
 110 _records="${_DATA}/${_INDEX}/_0_DOCS"
 111
 112 if   [ "$REQUEST_METHOD" = "PUT" ]; then
 113   _doc="${PATH_INFO#"/${_INDEX}/_doc"}"
 114
 115   J="$(head -c "${CONTENT_LENGTH:-0}")"
 116   # Don't use json parser to get content field
 117   # Content can be very large and the json parser is slow
 118   content="$(printf %s\\n "$J" |sed -E '
 119     :X; $bY; N; bX; :Y;
 120     s;^.*,[ \t\r\n]*"content"[ \t\r\n]*:[ \t\r\n]*";;
 121     s;".*$;;
 122     s;\\;;g;
 123   ')"
 124   J="$(printf %s\\n "$J" |sed -E '
 125     :X; $bY; N; bX; :Y;
 126     s;,[ \t\r\n]*"content"[ \t\r\n]*:[ \t\r\n]*"[^"]*";;
 127   ')"
 128   J="$(json_load "${J}")"
 129
 130   debug "Content: ${#content} bytes"
 131   debug "$(json_dump "$J")"
 132
 133   if [ "${#content}" -gt 0 ]; then
 134     ingest "$J" "$content"\
 135     | "${_EXEC}/concordance.sh" \
 136       "$_DATA/$_INDEX/" "$(STRING "$_doc")      $_DATE"
 137   fi
 138
 139   J="${J#obj:}"
 140   J="$(DB2 "$J" set _indexdate num:"$_DATE")"
 141
 142   if [ "${#content}" -eq 0 ]; then
 143     printf '%s: %s\r\n' "Status" "200 OK"
 144     result="updated"
 145   elif DBM "$_records" insert "$_doc" "$J"; then
 146     printf '%s: %s\r\n' "Status" "201 Created" "Location" "/${_INDEX}/_doc/$(URL "$_doc")" \
 147     result="created"
 148   elif DBM "$_records" update "$_doc" "$J"; then
 149     printf '%s: %s\r\n' "Status" "200 OK"
 150     result="updated"
 151   else
 152     printf '%s\r\n' "Status: 500 Internal Server Error" ""
 153     exit 0
 154   fi
 155
 156   cat <<-EOF
 157         X-elastic-product: Elasticsearch\r
 158         content-type: application/vnd.elasticsearch+json;compatible-with=8\r
 159         \r
 160         { "_index": $(json_dump str:"${_INDEX}"),
 161           "_id": $(json_dump str:"$_doc"),
 162           "result": "$result",
 163           "_indexdate": $_DATE
 164         }
 165         EOF
 166   exit 0
 167
 168 elif [ "$REQUEST_METHOD" = "DELETE" ]; then
 169   _doc="${PATH_INFO#"/${_INDEX}/_doc"}"
 170
 171   if   DBM "$_records" get "$_doc"; then
 172     if   DBM "$_records" delete "$_doc"; then
 173       printf '%s: %s\r\n' "Status" "200 OK"
 174       result="deleted"
 175     else
 176       printf '%s\r\n' "Status: 500 Internal Server Error" ""
 177       exit 0
 178     fi
 179   else
 180     printf '%s: %s\r\n' "Status" "404 Not Found"
 181     result="not_found"
 182   fi
 183
 184   cat <<-EOF
 185         X-elastic-product: Elasticsearch\r
 186         content-type: application/vnd.elasticsearch+json;compatible-with=8\r
 187         \r
 188         { "_index": $(json_dump str:"${_INDEX}"),
 189           "_id": $(json_dump str:"$_doc"),
 190           "result": "$result",
 191           "_indexdate": $_DATE
 192         }
 193         EOF
 194   exit 0
 195
 196 elif [ "$REQUEST_METHOD" = "POST" ]; then
 197   J="$(json_load "$(head -c "${CONTENT_LENGTH:-0}")")"
 198   J="$(json_get "$J" query.bool.must.bool.should)"
 199
 200   words="$(
 201     for j in $(DB2 "$J" iterate @); do
 202       json_get "$(UNSTRING "$j")" match_phrase_prefix.content
 203     done 2>/dev/null
 204   )"
 205
 206   results="@    $(
 207     search "${_DATA}/${_INDEX}" $words \
 208     | while read -r score id source; do
 209       S="$(DB2   "" set _index  str:"${_INDEX}")"
 210       S="$(DB2 "$S" set _id     str:"$(UNSTRING "${id#/}")")"
 211       S="$(DB2 "$S" set _score  num:"$score")"
 212       S="$(DB2 "$S" set _source obj:"$(UNSTRING "$source")")"
 213       printf 'obj:%s\t' "$(STRING "$S")"
 214     done
 215   )"
 216   results="${results%   }"
 217
 218   cat <<-EOF
 219         Status: 200 OK\r
 220         X-elastic-product: Elasticsearch\r
 221         Content-Type: application/vnd.elasticsearch+json;compatible-with=8\r
 222         \r
 223         { "took":0,
 224           "timed_out":false,
 225           "_shards":{"total":1,"successful":1,"skipped":0,"failed":0},
 226           "hits": {
 227             "total":{"value": $(DB2 "$results" count @) ,"relation":"eq"},
 228             "max_score": $(json_get "arr:$results" '[0]._score' 2>&- || printf 0),
 229             "hits": $(json_dump "arr:$results")
 230           }
 231         }
 232         EOF
 233
 234 elif [ "$REQUEST_METHOD" = "HEAD" ]; then
 235   accept="$(HEADER Accept)"
 236   [ ! "${accept#*"vnd.elasticsearch+json"*}" ] \
 237   && ctype="${accept}" || ctype="application/json"
 238
 239   cat <<-EOF
 240         HTTP/1.1 200 OK\r
 241         X-elastic-product: Elasticsearch\r
 242         content-type: ${ctype}\r
 243         \r
 244         EOF
 245   exit 0
 246
 247 elif [ "$REQUEST_METHOD" = "GET" ]; then
 248   accept="$(HEADER Accept)"
 249   [ ! "${accept#*"vnd.elasticsearch+json"*}" ] \
 250   && ctype="${accept}" || ctype="application/json"
 251
 252   cat <<-EOF
 253         HTTP/1.1 200 OK\r
 254         X-elastic-product: Elasticsearch\r
 255         content-type: ${ctype}\r
 256         \r
 257         EOF
 258
 259   if [ "$PATH_INFO" = "/${_INDEX}/" ]; then
 260   cat <<-EOF
 261         { $(json_dump str:"${_INDEX}"): {
 262             "aliases":{},
 263             "mappings": {
 264               "properties": {
 265                 "content": {"type":"text","fields":{"keyword":{"type":"keyword","ignore_above":256}}},
 266                 "hash":{"type":"text","fields":{"keyword":{"type":"keyword","ignore_above":256}}},
 267                 "metatags":{"type":"text","fields":{"keyword":{"type":"keyword","ignore_above":256}}},
 268                 "owner":{"type":"text","fields":{"keyword":{"type":"keyword","ignore_above":256}}},
 269                 "parts":{"properties":{"comments":{"type":"text","fields":{"keyword":{"type":"keyword","ignore_above":256}}}}},
 270                 "provider":{"type":"text","fields":{"keyword":{"type":"keyword","ignore_above":256}}},
 271                 "share_names":{"properties":{"paul":{"type":"text","fields":{"keyword":{"type":"keyword","ignore_above":256}}}}},
 272                 "source":{"type":"text","fields":{"keyword":{"type":"keyword","ignore_above":256}}},
 273                 "title":{"type":"text","fields":{"keyword":{"type":"keyword","ignore_above":256}}}
 274               }
 275             },
 276             "settings": {
 277               "index": {
 278                 "routing":{"allocation":{"include":{"_tier_preference":"data_content"}}},
 279                 "number_of_shards":"1",
 280                 "provided_name": $(json_dump str:"${_INDEX}"),
 281                 "creation_date": "$(stat -c %W "${_DATA}/${_INDEX}")",
 282                 "number_of_replicas":"1",
 283                 "uuid":"0000000000000000000000",
 284                 "version":{"created":"8500010"}
 285               }
 286             }
 287           }
 288         }
 289         EOF
 290   else
 291     cat <<-EOF
 292         { "name" : "head",
 293           "cluster_name" : "elasticsearch",
 294           "version" : {
 295             "number" : "8.12.1",
 296             "lucene_version" : "9.9.2",
 297             "minimum_wire_compatibility_version" : "7.17.0",
 298             "minimum_index_compatibility_version" : "7.0.0"
 299           },
 300           "tagline" : "You Know, for Search"
 301         }
 302         EOF
 303   fi
 304   exit 0
 305
 306 else
 307   printf '%s\r\n' "Status: 500 Internal Server Error" ""
 308   exit 0
 309 fi