Mercurial > ec-dotfiles
annotate bin/moefetch @ 368:f26bc3818bf8
Added additional path for pkgsrc (NetBSD/DragonFly).
| author | Edho Arief <edho@myconan.net> | 
|---|---|
| date | Thu, 14 Jun 2012 11:20:30 +0700 | 
| parents | 391f2b64900e | 
| children | fc644e52df7c | 
| rev | line source | 
|---|---|
| 221 
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changeset | 1 #!/bin/sh | 
| 148 | 2 | 
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changeset | 3 # Copyright (c) 2009-2012, edogawaconan <edho@myconan.net> | 
| 148 | 4 # | 
| 5 # Permission to use, copy, modify, and/or distribute this software for any | |
| 6 # purpose with or without fee is hereby granted, provided that the above | |
| 7 # copyright notice and this permission notice appear in all copies. | |
| 8 # | |
| 9 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
| 10 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
| 11 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
| 12 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
| 13 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
| 14 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
| 15 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
| 159 | 16 # | 
| 17 # Lots of bugs here. Use with care | |
| 148 | 18 # USE WITH CARE | 
| 159 | 19 # | 
| 20 # what it does: fetch every picture that has the specified TAGS. | |
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changeset | 21 # requirement: wget, libxslt, openssl | 
| 148 | 22 | 
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changeset | 23 # program additional paths for: cut, sed, wc, openssl, wget, xsltproc, grep | 
| 159 | 24 ADDITIONAL_PATH= | 
| 148 | 25 | 
| 159 | 26 # default server address. Danbooru only! I do not take responsibility of stupidity. | 
| 312 
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changeset | 27 DEFAULT_SITE="yande.re" | 
| 148 | 28 | 
| 29 # base directory. make sure it's writeable. I do not take responsibility if you don't own the folder and files as no check is done for this one. | |
| 159 | 30 # Structure is ${BASE_DIR}/<TAGS> | 
| 31 # Absolute path only. | |
| 32 # Leave empty to use whatever folder you're running this at | |
| 193 | 33 BASE_DIR= | 
| 148 | 34 | 
| 35 # not user modifiable from here | |
| 36 | |
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changeset | 37 # stop on any error | 
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changeset | 38 set -e | 
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changeset | 39 # ensures all variables initialized | 
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changeset | 40 set -u | 
| 302 | 41 useragent="Mozilla/5.0 (Windows NT 6.1; WOW64; rv:10.0) Gecko/20100101 Firefox/10.0" | 
| 42 | |
| 159 | 43 # useless welcome message. Also version | 
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changeset | 44 msg_welcome() { | 
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changeset | 45 echo "moefetch ${_version} | 
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changeset | 46 Copyright (c) 2009-2012 edogawaconan <edho@myconan.net> | 
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changeset | 47 " | 
| 159 | 48 } | 
| 49 | |
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changeset | 50 # Sanitize path. Totally safe. Usage: cmd "$(safe_path "${filename}")" | 
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changeset | 51 safe_path() | 
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changeset | 52 { | 
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changeset | 53 # It all depends on the first character. | 
| 232 | 54 start=$(printf "%s" "$*" | cut -c 1) | 
| 55 path= | |
| 56 case "${start}" in | |
| 57 .|/) path="$*";; # . and / is safe. No change. | |
| 58 *) path="./$*";; # Anything else must be prefixed with ./ | |
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changeset | 59 esac | 
| 232 | 60 printf "%s" "${path}" # Return. | 
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changeset | 61 } | 
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changeset | 62 | 
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changeset | 63 # Checks md5. OpenSSL should be available on anything usable. | 
| 230 | 64 get_md5() { cat "$(safe_path "${1}")" | openssl dgst -md5 | tail -n 1 | sed -e 's/.*\([[:xdigit:]]\{32\}\).*/\1/'; } | 
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changeset | 65 | 
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changeset | 66 # Safely get basename. | 
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changeset | 67 get_basename() { basename "$(safe_path "${1}")"; } | 
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changeset | 68 | 
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changeset | 69 # Safely get filename (basename without the extension). | 
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changeset | 70 get_filename() { get_basename "${1%.*}"; } | 
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changeset | 71 | 
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changeset | 72 # Transformation for tag url. | 
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changeset | 73 get_cleantags() { printf "%s " "$*" | sed -e 's/\&/%26/g;s/=/%3D/g'; } | 
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changeset | 74 | 
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changeset | 75 # Returns something if not an md5 value. | 
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changeset | 76 is_not_md5() { get_filename "$1" | sed -e 's/\([0-9a-f]\{32\}\)//g'; } | 
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changeset | 77 | 
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changeset | 78 | 
| 159 | 79 # fatal error handler | 
| 80 Err_Fatal() { | |
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changeset | 81 echo " | 
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changeset | 82 Fatal error: ${1}" | 
| 159 | 83 exit 1 | 
| 84 } | |
| 85 | |
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changeset | 86 Err_Impossible() { | 
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changeset | 87 echo " | 
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changeset | 88 Impossible error. Or you modified content of the working directories when the script is running. | 
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changeset | 89 Please report to moefetch.googlecode.com if you see this message (complete with entire run log)" | 
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changeset | 90 exit 1 | 
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changeset | 91 } | 
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changeset | 92 | 
| 159 | 93 # help message | 
| 94 Err_Help() { | |
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changeset | 95 echo "moefetch.sh COMMAND [-n] [-p PASSWORD] [-s SITE_URL] [-u USERNAME] TAGS | 
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changeset | 96 | 
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changeset | 97 COMMAND: | 
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changeset | 98 (quick)fetch: | 
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changeset | 99 Do a complete update. Add prefix quick to skip file checking | 
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changeset | 100 check: | 
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changeset | 101 Get list of new files, clean up local folder and print total new files | 
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changeset | 102 | 
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changeset | 103 OPTIONS: | 
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changeset | 104 -n: | 
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changeset | 105 Skip checking repository directory. | 
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changeset | 106 -p PASSWORD: | 
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changeset | 107 Specifies password for login. | 
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changeset | 108 -s SITE_URL: | 
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changeset | 109 Specify URL of the Danbooru powered site you want to leech from. Default is ${DEFAULT_SITE}. | 
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changeset | 110 -u USERNAME: | 
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changeset | 111 Specifies username for login. | 
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changeset | 112 TAGS: | 
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changeset | 113 Tags you want to download. Separated by spaces. Tag name follows standard Danbooru tagging scheme." | 
| 193 | 114 exit 2 | 
| 159 | 115 } | 
| 116 | |
| 117 # generate link by transforming xml | |
| 118 Generate_Link() { | |
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changeset | 119 echo " | 
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changeset | 120 Fetching XML file" | 
| 232 | 121 tempnum=1000 | 
| 122 iternum=1 | |
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changeset | 123 > "${TEMP_PREFIX}-list" | 
| 232 | 124 while [ "${tempnum}" -ge 1000 ]; do | 
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changeset | 125 url="${SITE}/post/index.xml?tags=$(get_cleantags "${TAGS}")&offset=0&limit=1000&page=${iternum}" | 
| 232 | 126 [ ${_use_login} -eq 1 ] && url="${url}&login=${LOGIN_USER}&password_hash=${LOGIN_PASS}" | 
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changeset | 127 wget --no-check-certificate --quiet "${url}" -O "${TEMP_PREFIX}-xml" --referer="${SITE}/post" --user-agent="${useragent}" -e continue=off || Err_Fatal "Failed download catalog file" | 
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changeset | 128 printf "Processing XML file... " | 
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changeset | 129 # xslt evilry | 
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changeset | 130 xsltproc - "${TEMP_PREFIX}-xml" <<EOF | sed 's/.*\(https*.*\)\(\/[a-f0-9]\{32\}\).*\.\([^\.]*\)/\1\2.\3/g' | grep ^http > "${TEMP_PREFIX}-templist" | 
| 148 | 131 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"> | 
| 132 <xsl:output method="xml" indent="yes"/> | |
| 133 <xsl:template match="post"> | |
| 134 <xsl:value-of select="@file_url" /> | |
| 135 </xsl:template> | |
| 136 </xsl:stylesheet> | |
| 137 EOF | |
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changeset | 138 tempnum=$(grep -c . "${TEMP_PREFIX}-templist") | 
| 232 | 139 iternum=$((iternum + 1)) | 
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changeset | 140 cat "${TEMP_PREFIX}-templist" >> "${TEMP_PREFIX}-list" | 
| 232 | 141 echo "${tempnum} file(s) available" | 
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changeset | 142 done | 
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changeset | 143 numfiles=$(grep -c . "${TEMP_PREFIX}-list") | 
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changeset | 144 echo "${numfiles} file(s) available on server" | 
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changeset | 145 [ "${numfiles}" -gt 0 ] || Err_Fatal "Error in processing list or no files can be found with specified tag(s) or site." | 
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changeset | 146 } | 
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changeset | 147 | 
| 148 | 148 | 
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changeset | 149 progress_init() { | 
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changeset | 150 _last="-" | 
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changeset | 151 printf "${_last}" | 
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changeset | 152 } | 
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changeset | 153 | 
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changeset | 154 progress_anim() { | 
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changeset | 155 case "${_last}" in | 
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changeset | 156 /) _last="-";; | 
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changeset | 157 -) _last=\\;; | 
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changeset | 158 \\) _last=\|;; | 
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changeset | 159 \|) _last="/";; | 
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changeset | 160 esac | 
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changeset | 161 printf "\b${_last}" | 
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changeset | 162 } | 
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changeset | 163 | 
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changeset | 164 progress_done() { printf "\bdone\n"; } | 
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changeset | 165 | 
| 200 | 166 # getting rid of ls (as per suggestion) | 
| 167 Count_Files() { | |
| 224 | 168 numfiles=0 | 
| 169 for dircontent in "${*}/"* "${*}/".*; do | |
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changeset | 170 if [ -e "${dircontent}" ] && [ x"${dircontent}" != x"${*}/." ] && [ x"${dircontent}" != x"${*}/.." ]; then | 
| 230 | 171 numfiles=$((numfiles + 1)) | 
| 200 | 172 fi | 
| 173 done | |
| 300 | 174 echo $((numfiles)) | 
| 200 | 175 } | 
| 176 | |
| 159 | 177 # check tools availability | 
| 178 Check_Tools() { | |
| 179 # verify all programs required do indeed exist | |
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changeset | 180 commands="cut sed wc wget xsltproc xargs rm mkdir chown comm grep date openssl" | 
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changeset | 181 for cmd in ${commands} | 
| 159 | 182 do | 
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changeset | 183 [ "$(command -v "${cmd}")" ] || Err_Fatal "${cmd} doesn't exist in ${PATH}" | 
| 159 | 184 done | 
| 185 } | |
| 186 | |
| 187 # verify required folders exist and writeable | |
| 188 Check_Folders(){ | |
| 223 | 189 [ -O "${BASE_DIR}" ] || Err_Fatal "You don't own ${BASE_DIR}. Please fix ${BASE_DIR} or run this script in your own directory." | 
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changeset | 190 for directory in temp trash deleted "${SITE_DIR}/${TARGET_DIR}"; do | 
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changeset | 191 if [ ! -d "${BASE_DIR}/${directory}" ]; then | 
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changeset | 192 mkdir -p "${BASE_DIR}/${directory}" || Err_Impossible | 
| 159 | 193 fi | 
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changeset | 194 if [ ! -O "${BASE_DIR}/${directory}" ]; then | 
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changeset | 195 echo "You don't own the ${BASE_DIR}/${directory}, applying globally writeable permission on it" | 
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changeset | 196 chmod -R u=rwX,g=rwX,o=rwX "${BASE_DIR}/${directory}" || Err_Impossible | 
| 159 | 197 fi | 
| 198 done | |
| 223 | 199 [ "$(Count_Files "${BASE_DIR}/${SITE_DIR}/${TARGET_DIR}")" -eq 0 ] && ISNEW=1 | 
| 201 
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changeset | 200 for i in error ok list newlist templist; do | 
| 196 | 201 touch "${TEMP_PREFIX}-${i}" || Fatal_Err "Error creating ${TEMP_PREFIX}-${i}. This shouldn't happen" | 
| 159 | 202 done | 
| 203 # | |
| 204 } | |
| 205 | |
| 187 
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changeset | 206 # Do some cleanup | 
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changeset | 207 Cleanup_Repository() { | 
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changeset | 208 # current dir: ${BASE_DIR}/${SITE_DIR}/${TARGET_DIR} | 
| 207 
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changeset | 209 printf "Cleaning up repository folder... " | 
| 228 
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changeset | 210 progress_init | 
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changeset | 211 trash_dir="${BASE_DIR}/trash/${trash_dir}/$(date -u "+${SITE_DIR}-${TARGET_DIR}-%Y%m%d-%H.%M")" | 
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changeset | 212 trashes="These files have been moved to ${trash_dir}:" | 
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changeset | 213 has_trash= | 
| 223 | 214 if [ ! -d "${trash_dir}" ]; then | 
| 216 
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changeset | 215 mkdir -p "${trash_dir}" || Err_Impossible | 
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changeset | 216 else | 
| 223 | 217 if [ ! -O "${trash_dir}" ]; then | 
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changeset | 218 chmod -R u=rwX,g=rwX,o=rwX "${BASE_DIR}/${directory}" || Err_Impossible | 
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changeset | 219 fi | 
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changeset | 220 fi | 
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changeset | 221 for trash in "${BASE_DIR}/${SITE_DIR}/${TARGET_DIR}/"* | 
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changeset | 222 do | 
| 300 | 223 if [ -e "${trash}" ]; then | 
| 224 is_trash= | |
| 225 if [ -d "${trash}" ] || [ -n "$(is_not_md5 "${trash}")" ] || [ -z "$(grep "$(get_basename "${trash}")" "${TEMP_PREFIX}-list")" ]; then | |
| 226 is_trash=1 | |
| 227 has_trash=1 | |
| 228 mv -f -- "${trash}" "${trash_dir}" || Err_Impossible | |
| 229 trashes="${trashes} | |
| 225 
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changeset | 230 $(get_basename "${trash}")" | 
| 300 | 231 fi | 
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changeset | 232 fi | 
| 228 
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changeset | 233 progress_anim | 
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changeset | 234 done | 
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changeset | 235 rmdir "${trash_dir}" 2>/dev/null | 
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changeset | 236 progress_done | 
| 223 | 237 [ -n "${has_trash}" ] && echo "${trashes}" | 
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changeset | 238 } | 
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changeset | 239 | 
| 159 | 240 # check files correctness | 
| 241 Check_Files() { | |
| 223 | 242 if [ ! -n "${ISNEW}" ]; then | 
| 243 [ -z "${NOCLEAN}" ] && Cleanup_Repository | |
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changeset | 244 printf "Checking for errors... " | 
| 228 
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changeset | 245 progress_init | 
| 232 | 246 files_error="These files do not match its md5:" | 
| 247 files_notdanbooru="These files are not checked:" | |
| 248 has_err_filename= | |
| 249 has_err_md5= | |
| 196 | 250 > "${TEMP_PREFIX}-error" | 
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changeset | 251 > "${TEMP_PREFIX}-ok" | 
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changeset | 252 for file in "${BASE_DIR}/${SITE_DIR}/${TARGET_DIR}/"* | 
| 159 | 253 do | 
| 251 
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changeset | 254 if [ -e "${file}" ]; then | 
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changeset | 255 if [ -n "$(is_not_md5 "${file}")" ] || [ -d "${file}" ]; then | 
| 232 | 256 files_notdanbooru="${files_notdanbooru} | 
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changeset | 257 $(get_basename "${file}")" | 
| 232 | 258 has_err_filename=1 | 
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changeset | 259 else | 
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changeset | 260 if [ "$(get_md5 "${file}")" = "$(get_filename "${file}")" ]; then | 
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changeset | 261 echo "$(get_basename "${file}")" >> "${TEMP_PREFIX}-ok" | 
| 217 | 262 else | 
| 263 rm "${file}" || Err_Fatal "Error removing ${file}" | |
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changeset | 264 echo "$(get_basename "${file}")" >> "${TEMP_PREFIX}-error" | 
| 232 | 265 files_error="${files_error} | 
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changeset | 266 $(get_basename "${file}")" | 
| 232 | 267 has_err_md5=1 | 
| 217 | 268 fi | 
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changeset | 269 fi | 
| 148 | 270 fi | 
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changeset | 271 progress_anim | 
| 148 | 272 done | 
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changeset | 273 progress_done | 
| 232 | 274 if [ ! -n "${has_err_md5}" ] && [ ! -n "${has_err_filename}" ]; then | 
| 203 | 275 echo "All files OK" | 
| 170 | 276 else | 
| 232 | 277 if [ -n "${has_err_md5}" ]; then | 
| 278 echo "${files_error}" | |
| 235 
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changeset | 279 echo "$(grep -c . "${TEMP_PREFIX}-error") file(s) removed" | 
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changeset | 280 fi | 
| 232 | 281 [ -n "${has_err_filename}" ] && echo "${files_notdanbooru}" | 
| 170 | 282 fi | 
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changeset | 283 echo "$(grep -c . "${TEMP_PREFIX}-ok") file(s) available locally" | 
| 148 | 284 | 
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changeset | 285 printf "Generating list of new files... " | 
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changeset | 286 progress_init | 
| 218 | 287 cp -f "${TEMP_PREFIX}-list" "${TEMP_PREFIX}-templist" | 
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changeset | 288 while read -r is_ok; do | 
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changeset | 289 grep -v "${is_ok}" "${TEMP_PREFIX}-templist" > "${TEMP_PREFIX}-newlist" | 
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changeset | 290 cp -f "${TEMP_PREFIX}-newlist" "${TEMP_PREFIX}-templist" || Err_Impossible | 
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changeset | 291 progress_anim | 
| 203 | 292 done < "${TEMP_PREFIX}-ok" | 
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changeset | 293 progress_done | 
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changeset | 294 echo "$(grep -c . "${TEMP_PREFIX}-newlist") file(s) to be downloaded" | 
| 148 | 295 else | 
| 223 | 296 if [ -n "${ISQUICK}" ]; then | 
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changeset | 297 echo "Quick mode selected. Skipping check" | 
| 152 | 298 else | 
| 299 echo "Empty local repository" | |
| 300 fi | |
| 200 | 301 cat "${TEMP_PREFIX}-list" > "${TEMP_PREFIX}-newlist" | 
| 148 | 302 fi | 
| 303 } | |
| 304 | |
| 159 | 305 # start downloading the images | 
| 306 Fetch_Images() { | |
| 235 
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changeset | 307 if [ "$(grep -c . "${TEMP_PREFIX}-newlist")" -eq 0 ]; then | 
| 148 | 308 echo "No new file" | 
| 309 else | |
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changeset | 310 printf "Downloading files... " | 
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changeset | 311 cd "${BASE_DIR}/${SITE_DIR}/${TARGET_DIR}" | 
| 323 
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changeset | 312 wget --no-check-certificate -e continue=on -i "${TEMP_PREFIX}-newlist" -o "${TEMP_PREFIX}.log" --referer="${SITE}/post" --user-agent="${useragent}" | 
| 148 | 313 fi | 
| 314 } | |
| 315 | |
| 159 | 316 # initialize base variables and initial command check | 
| 227 | 317 init() | 
| 318 { | |
| 159 | 319 # path initialization | 
| 227 | 320 # check if additional path is specified | 
| 321 if [ -n "${ADDITIONAL_PATH}" ] | |
| 322 then | |
| 323 # insert the additional path | |
| 324 PATH="${ADDITIONAL_PATH}:${PATH}" | |
| 325 export PATH | |
| 326 fi | |
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changeset | 327 | 
| 159 | 328 # misc variables | 
| 166 | 329 ISQUICK= | 
| 330 ISNEW= | |
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changeset | 331 | 
| 227 | 332 # minimum number of arguments: 2 (command and tag). If less than two, exit and print help message | 
| 159 | 333 [ $# -lt 2 ] && Err_Help | 
| 334 case "$1" in | |
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changeset | 335 check|fetch|quickfetch) | 
| 159 | 336 echo "Starting..." | 
| 337 JOB="$1" | |
| 338 ;; | |
| 339 *) | |
| 340 Err_Help | |
| 341 ;; | |
| 342 esac | |
| 343 shift | |
| 230 | 344 SITE= | 
| 345 TAGS= | |
| 232 | 346 has_pass=0 | 
| 347 has_user=0 | |
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changeset | 348 x=1 | 
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changeset | 349 while getopts "s:nu:p:" opt | 
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changeset | 350 do | 
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changeset | 351 case "$opt" in | 
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changeset | 352 s) SITE="$OPTARG";; | 
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changeset | 353 n) NOCLEAN=1;; | 
| 227 | 354 p) | 
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changeset | 355 LOGIN_PASS=$(printf "%s" "$OPTARG" | openssl dgst -sha1 | sed -e 's/.*\([[:xdigit:]]\{40\}\).*/\1/') | 
| 232 | 356 has_pass=1 | 
| 227 | 357 ;; | 
| 358 u) | |
| 359 LOGIN_USER="$OPTARG" | |
| 232 | 360 has_user=1 | 
| 227 | 361 ;; | 
| 185 
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changeset | 362 esac | 
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changeset | 363 x=$OPTIND | 
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changeset | 364 done | 
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changeset | 365 shift $(($x-1)) | 
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changeset | 366 if [ "$1" = -- ]; then shift; fi | 
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changeset | 367 TAGS="$@" | 
| 223 | 368 [ -n "${SITE}" ] || SITE=${DEFAULT_SITE} | 
| 369 [ -n "${TAGS}" ] || Err_Fatal "No tag specified" | |
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changeset | 370 # Get base folder - default, current folder or fallback to ${HOME} | 
| 223 | 371 [ -n "${BASE_DIR}" ] || BASE_DIR=${PWD} | 
| 372 [ -n "${BASE_DIR}" ] || BASE_DIR=${HOME} | |
| 227 | 373 [ -n "$(echo "${BASE_DIR}" | cut -c1 | grep \/)" ] || BASE_DIR="/${BASE_DIR}" | 
| 374 # see if both pass and use are set. If they're set, switch _use_login variable content to 1. | |
| 232 | 375 [ ${has_pass} -eq 1 -a ${has_user} -eq 1 ] && _use_login=1 | 
| 181 
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changeset | 376 | 
| 159 | 377 echo "Tags: ${TAGS}" | 
| 378 # slash is not wanted for folder name | |
| 193 | 379 TARGET_DIR=$(echo "${TAGS}" | sed -e 's/\//_/g') | 
| 380 SITE_DIR=$(echo "${SITE}" | sed -e 's/\/$//g;s/\//_/g') | |
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changeset | 381 TEMP_PREFIX="${BASE_DIR}/temp/${SITE_DIR}-${TARGET_DIR}" | 
| 159 | 382 } | 
| 148 | 383 | 
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changeset | 384 # global variables goes here | 
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changeset | 385 init_globals() | 
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changeset | 386 { | 
| 301 
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changeset | 387 _version="1.0-rc3" # version of this script | 
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changeset | 388 _use_login=0 # variable to check whether a login is used or not | 
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changeset | 389 } | 
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changeset | 390 | 
| 227 | 391 main() | 
| 392 { | |
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changeset | 393 # removing GNU-ism as much as possible | 
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changeset | 394 POSIXLY_CORRECT=1 | 
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changeset | 395 #initialize global variables | 
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changeset | 396 init_globals | 
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changeset | 397 #print welcome message | 
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changeset | 398 msg_welcome | 
| 227 | 399 # initialization | 
| 400 init "$@" | |
| 401 Check_Tools | |
| 402 Check_Folders | |
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changeset | 403 | 
| 148 | 404 | 
| 227 | 405 # let's do the job! | 
| 406 case "${JOB}" in | |
| 407 check) | |
| 408 Generate_Link | |
| 409 Check_Files | |
| 410 ;; | |
| 411 fetch) | |
| 412 Generate_Link | |
| 413 Check_Files | |
| 414 Fetch_Images | |
| 415 ;; | |
| 416 quickfetch) | |
| 417 ISNEW=1 | |
| 418 ISQUICK=1 | |
| 419 Generate_Link | |
| 420 Check_Files | |
| 421 Fetch_Images | |
| 422 ;; | |
| 423 esac | |
| 424 } | |
| 425 | |
| 426 # call the main routine! | |
| 427 main "$@" | |
| 428 | 
