Mercurial > ec-dotfiles
annotate bin/moefetch @ 304:73981a7539dd
New rubygems path.
author | Edho Arief <edho@myconan.net> |
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date | Mon, 20 Feb 2012 13:15:02 +0000 |
parents | b90ebadbfd5d |
children | 21b86001b0c5 |
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1 #!/bin/sh |
148 | 2 |
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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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21 # requirement: wget, libxslt, openssl |
148 | 22 |
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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. |
27 DEFAULT_SITE="moe.imouto.org" | |
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 | |
302 | 37 useragent="Mozilla/5.0 (Windows NT 6.1; WOW64; rv:10.0) Gecko/20100101 Firefox/10.0" |
38 | |
159 | 39 # useless welcome message. Also version |
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40 msg_welcome() { |
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41 echo "moefetch ${_version} |
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42 Copyright (c) 2009-2012 edogawaconan <edho@myconan.net> |
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43 " |
159 | 44 } |
45 | |
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46 # Sanitize path. Totally safe. Usage: cmd "$(safe_path "${filename}")" |
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47 safe_path() |
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48 { |
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49 # It all depends on the first character. |
232 | 50 start=$(printf "%s" "$*" | cut -c 1) |
51 path= | |
52 case "${start}" in | |
53 .|/) path="$*";; # . and / is safe. No change. | |
54 *) path="./$*";; # Anything else must be prefixed with ./ | |
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55 esac |
232 | 56 printf "%s" "${path}" # Return. |
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57 } |
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58 |
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59 # Checks md5. OpenSSL should be available on anything usable. |
230 | 60 get_md5() { cat "$(safe_path "${1}")" | openssl dgst -md5 | tail -n 1 | sed -e 's/.*\([[:xdigit:]]\{32\}\).*/\1/'; } |
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61 |
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62 # Safely get basename. |
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63 get_basename() { basename "$(safe_path "${1}")"; } |
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64 |
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65 # Safely get filename (basename without the extension). |
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66 get_filename() { get_basename "${1%.*}"; } |
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67 |
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68 # Transformation for tag url. |
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69 get_cleantags() { printf "%s " "$*" | sed -e 's/\&/%26/g;s/=/%3D/g'; } |
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70 |
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71 # Returns something if not an md5 value. |
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72 is_not_md5() { get_filename "$1" | sed -e 's/\([0-9a-f]\{32\}\)//g'; } |
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73 |
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74 |
159 | 75 # fatal error handler |
76 Err_Fatal() { | |
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77 echo " |
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78 Fatal error: ${1}" |
159 | 79 exit 1 |
80 } | |
81 | |
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82 Err_Impossible() { |
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83 echo " |
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84 Impossible error. Or you modified content of the working directories when the script is running. |
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85 Please report to moefetch.googlecode.com if you see this message (complete with entire run log)" |
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86 exit 1 |
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87 } |
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88 |
159 | 89 # help message |
90 Err_Help() { | |
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91 echo "moefetch.sh COMMAND [-n] [-p PASSWORD] [-s SITE_URL] [-u USERNAME] TAGS |
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92 |
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93 COMMAND: |
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94 (quick)fetch: |
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95 Do a complete update. Add prefix quick to skip file checking |
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96 check: |
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97 Get list of new files, clean up local folder and print total new files |
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98 |
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99 OPTIONS: |
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100 -n: |
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101 Skip checking repository directory. |
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102 -p PASSWORD: |
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103 Specifies password for login. |
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104 -s SITE_URL: |
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105 Specify URL of the Danbooru powered site you want to leech from. Default is ${DEFAULT_SITE}. |
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106 -u USERNAME: |
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107 Specifies username for login. |
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108 TAGS: |
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109 Tags you want to download. Separated by spaces. Tag name follows standard Danbooru tagging scheme." |
193 | 110 exit 2 |
159 | 111 } |
112 | |
113 # generate link by transforming xml | |
114 Generate_Link() { | |
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115 echo " |
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116 Fetching XML file" |
232 | 117 tempnum=1000 |
118 iternum=1 | |
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119 > "${TEMP_PREFIX}-list" |
232 | 120 while [ "${tempnum}" -ge 1000 ]; do |
121 url="http://${SITE}/post/index.xml?tags=$(get_cleantags "${TAGS}")&offset=0&limit=1000&page=${iternum}" | |
122 [ ${_use_login} -eq 1 ] && url="${url}&login=${LOGIN_USER}&password_hash=${LOGIN_PASS}" | |
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123 wget --quiet "${url}" -O "${TEMP_PREFIX}-xml" --referer="http://${SITE}/post" --user-agent="${useragent}" -e continue=off || Err_Fatal "Failed download catalog file" |
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124 printf "Processing XML file... " |
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125 # xslt evilry |
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126 xsltproc - "${TEMP_PREFIX}-xml" <<EOF | sed 's/.*\(http.*\)\(\/[a-f0-9]\{32\}\).*\.\([^\.]*\)/\1\2.\3/g' | grep ^http > "${TEMP_PREFIX}-templist" |
148 | 127 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"> |
128 <xsl:output method="xml" indent="yes"/> | |
129 <xsl:template match="post"> | |
130 <xsl:value-of select="@file_url" /> | |
131 </xsl:template> | |
132 </xsl:stylesheet> | |
133 EOF | |
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134 tempnum=$(grep -c . "${TEMP_PREFIX}-templist") |
232 | 135 iternum=$((iternum + 1)) |
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136 cat "${TEMP_PREFIX}-templist" >> "${TEMP_PREFIX}-list" |
232 | 137 echo "${tempnum} file(s) available" |
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138 done |
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139 numfiles=$(grep -c . "${TEMP_PREFIX}-list") |
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140 echo "${numfiles} file(s) available on server" |
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141 [ "${numfiles}" -gt 0 ] || Err_Fatal "Error in processing list or no files can be found with specified tag(s) or site." |
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142 } |
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143 |
148 | 144 |
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145 progress_init() { |
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146 _last="-" |
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147 printf "${_last}" |
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148 } |
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149 |
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150 progress_anim() { |
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151 case "${_last}" in |
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152 /) _last="-";; |
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153 -) _last=\\;; |
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154 \\) _last=\|;; |
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155 \|) _last="/";; |
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156 esac |
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157 printf "\b${_last}" |
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158 } |
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159 |
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160 progress_done() { printf "\bdone\n"; } |
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161 |
200 | 162 # getting rid of ls (as per suggestion) |
163 Count_Files() { | |
224 | 164 numfiles=0 |
165 for dircontent in "${*}/"* "${*}/".*; do | |
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166 if [ -e "${dircontent}" ] && [ x"${dircontent}" != x"${*}/." ] && [ x"${dircontent}" != x"${*}/.." ]; then |
230 | 167 numfiles=$((numfiles + 1)) |
200 | 168 fi |
169 done | |
300 | 170 echo $((numfiles)) |
200 | 171 } |
172 | |
159 | 173 # check tools availability |
174 Check_Tools() { | |
175 # verify all programs required do indeed exist | |
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176 commands="cut sed wc wget xsltproc xargs rm mkdir chown comm grep date openssl" |
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177 for cmd in ${commands} |
159 | 178 do |
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179 [ "$(command -v "${cmd}")" ] || Err_Fatal "${cmd} doesn't exist in ${PATH}" |
159 | 180 done |
181 } | |
182 | |
183 # verify required folders exist and writeable | |
184 Check_Folders(){ | |
223 | 185 [ -O "${BASE_DIR}" ] || Err_Fatal "You don't own ${BASE_DIR}. Please fix ${BASE_DIR} or run this script in your own directory." |
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186 for directory in temp trash deleted "${SITE_DIR}/${TARGET_DIR}"; do |
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187 if [ ! -d "${BASE_DIR}/${directory}" ]; then |
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188 mkdir -p "${BASE_DIR}/${directory}" || Err_Impossible |
159 | 189 fi |
215
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190 if [ ! -O "${BASE_DIR}/${directory}" ]; then |
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191 echo "You don't own the ${BASE_DIR}/${directory}, applying globally writeable permission on it" |
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192 chmod -R u=rwX,g=rwX,o=rwX "${BASE_DIR}/${directory}" || Err_Impossible |
159 | 193 fi |
194 done | |
223 | 195 [ "$(Count_Files "${BASE_DIR}/${SITE_DIR}/${TARGET_DIR}")" -eq 0 ] && ISNEW=1 |
201
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196 for i in error ok list newlist templist; do |
196 | 197 touch "${TEMP_PREFIX}-${i}" || Fatal_Err "Error creating ${TEMP_PREFIX}-${i}. This shouldn't happen" |
159 | 198 done |
199 # | |
200 } | |
201 | |
187
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202 # Do some cleanup |
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203 Cleanup_Repository() { |
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204 # current dir: ${BASE_DIR}/${SITE_DIR}/${TARGET_DIR} |
207
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205 printf "Cleaning up repository folder... " |
228
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206 progress_init |
215
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207 trash_dir="${BASE_DIR}/trash/${trash_dir}/$(date -u "+${SITE_DIR}-${TARGET_DIR}-%Y%m%d-%H.%M")" |
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208 trashes="These files have been moved to ${trash_dir}:" |
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209 has_trash= |
223 | 210 if [ ! -d "${trash_dir}" ]; then |
216
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211 mkdir -p "${trash_dir}" || Err_Impossible |
215
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212 else |
223 | 213 if [ ! -O "${trash_dir}" ]; then |
215
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214 chmod -R u=rwX,g=rwX,o=rwX "${BASE_DIR}/${directory}" || Err_Impossible |
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215 fi |
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216 fi |
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217 for trash in "${BASE_DIR}/${SITE_DIR}/${TARGET_DIR}/"* |
187
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218 do |
300 | 219 if [ -e "${trash}" ]; then |
220 is_trash= | |
221 if [ -d "${trash}" ] || [ -n "$(is_not_md5 "${trash}")" ] || [ -z "$(grep "$(get_basename "${trash}")" "${TEMP_PREFIX}-list")" ]; then | |
222 is_trash=1 | |
223 has_trash=1 | |
224 mv -f -- "${trash}" "${trash_dir}" || Err_Impossible | |
225 trashes="${trashes} | |
225
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226 $(get_basename "${trash}")" |
300 | 227 fi |
187
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228 fi |
228
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229 progress_anim |
187
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230 done |
215
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231 rmdir "${trash_dir}" 2>/dev/null |
228
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232 progress_done |
223 | 233 [ -n "${has_trash}" ] && echo "${trashes}" |
187
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234 } |
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235 |
159 | 236 # check files correctness |
237 Check_Files() { | |
223 | 238 if [ ! -n "${ISNEW}" ]; then |
239 [ -z "${NOCLEAN}" ] && Cleanup_Repository | |
207
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240 printf "Checking for errors... " |
228
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241 progress_init |
232 | 242 files_error="These files do not match its md5:" |
243 files_notdanbooru="These files are not checked:" | |
244 has_err_filename= | |
245 has_err_md5= | |
196 | 246 > "${TEMP_PREFIX}-error" |
214
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247 > "${TEMP_PREFIX}-ok" |
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248 for file in "${BASE_DIR}/${SITE_DIR}/${TARGET_DIR}/"* |
159 | 249 do |
251
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250 if [ -e "${file}" ]; then |
228
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251 if [ -n "$(is_not_md5 "${file}")" ] || [ -d "${file}" ]; then |
232 | 252 files_notdanbooru="${files_notdanbooru} |
225
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253 $(get_basename "${file}")" |
232 | 254 has_err_filename=1 |
214
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255 else |
225
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256 if [ "$(get_md5 "${file}")" = "$(get_filename "${file}")" ]; then |
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257 echo "$(get_basename "${file}")" >> "${TEMP_PREFIX}-ok" |
217 | 258 else |
259 rm "${file}" || Err_Fatal "Error removing ${file}" | |
225
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260 echo "$(get_basename "${file}")" >> "${TEMP_PREFIX}-error" |
232 | 261 files_error="${files_error} |
225
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262 $(get_basename "${file}")" |
232 | 263 has_err_md5=1 |
217 | 264 fi |
187
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265 fi |
148 | 266 fi |
228
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267 progress_anim |
148 | 268 done |
228
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269 progress_done |
232 | 270 if [ ! -n "${has_err_md5}" ] && [ ! -n "${has_err_filename}" ]; then |
203 | 271 echo "All files OK" |
170 | 272 else |
232 | 273 if [ -n "${has_err_md5}" ]; then |
274 echo "${files_error}" | |
235
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275 echo "$(grep -c . "${TEMP_PREFIX}-error") file(s) removed" |
214
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276 fi |
232 | 277 [ -n "${has_err_filename}" ] && echo "${files_notdanbooru}" |
170 | 278 fi |
235
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279 echo "$(grep -c . "${TEMP_PREFIX}-ok") file(s) available locally" |
148 | 280 |
207
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281 printf "Generating list of new files... " |
228
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282 progress_init |
218 | 283 cp -f "${TEMP_PREFIX}-list" "${TEMP_PREFIX}-templist" |
214
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284 while read -r is_ok; do |
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285 grep -v "${is_ok}" "${TEMP_PREFIX}-templist" > "${TEMP_PREFIX}-newlist" |
215
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286 cp -f "${TEMP_PREFIX}-newlist" "${TEMP_PREFIX}-templist" || Err_Impossible |
228
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287 progress_anim |
203 | 288 done < "${TEMP_PREFIX}-ok" |
228
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289 progress_done |
235
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290 echo "$(grep -c . "${TEMP_PREFIX}-newlist") file(s) to be downloaded" |
148 | 291 else |
223 | 292 if [ -n "${ISQUICK}" ]; then |
207
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293 echo "Quick mode selected. Skipping check" |
152 | 294 else |
295 echo "Empty local repository" | |
296 fi | |
200 | 297 cat "${TEMP_PREFIX}-list" > "${TEMP_PREFIX}-newlist" |
148 | 298 fi |
299 } | |
300 | |
159 | 301 # start downloading the images |
302 Fetch_Images() { | |
235
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303 if [ "$(grep -c . "${TEMP_PREFIX}-newlist")" -eq 0 ]; then |
148 | 304 echo "No new file" |
305 else | |
231
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306 printf "Downloading files... " |
160
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307 cd "${BASE_DIR}/${SITE_DIR}/${TARGET_DIR}" |
302 | 308 wget -e continue=on -i "${TEMP_PREFIX}-newlist" -o "${TEMP_PREFIX}.log" --referer="http://${SITE}/post" --user-agent="${useragent}" |
148 | 309 fi |
310 } | |
311 | |
159 | 312 # initialize base variables and initial command check |
227 | 313 init() |
314 { | |
159 | 315 # path initialization |
227 | 316 # check if additional path is specified |
317 if [ -n "${ADDITIONAL_PATH}" ] | |
318 then | |
319 # insert the additional path | |
320 PATH="${ADDITIONAL_PATH}:${PATH}" | |
321 export PATH | |
322 fi | |
158
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323 |
159 | 324 # misc variables |
166 | 325 ISQUICK= |
326 ISNEW= | |
215
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327 |
227 | 328 # minimum number of arguments: 2 (command and tag). If less than two, exit and print help message |
159 | 329 [ $# -lt 2 ] && Err_Help |
330 case "$1" in | |
174
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331 check|fetch|quickfetch) |
159 | 332 echo "Starting..." |
333 JOB="$1" | |
334 ;; | |
335 *) | |
336 Err_Help | |
337 ;; | |
338 esac | |
339 shift | |
230 | 340 SITE= |
341 TAGS= | |
232 | 342 has_pass=0 |
343 has_user=0 | |
231
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344 x=1 |
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345 while getopts "s:nu:p:" opt |
225
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346 do |
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347 case "$opt" in |
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348 s) SITE="$OPTARG";; |
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349 n) NOCLEAN=1;; |
227 | 350 p) |
234
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351 LOGIN_PASS=$(printf "%s" "$OPTARG" | openssl dgst -sha1 | sed -e 's/.*\([[:xdigit:]]\{40\}\).*/\1/') |
232 | 352 has_pass=1 |
227 | 353 ;; |
354 u) | |
355 LOGIN_USER="$OPTARG" | |
232 | 356 has_user=1 |
227 | 357 ;; |
185
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358 esac |
231
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359 x=$OPTIND |
185
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360 done |
231
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361 shift $(($x-1)) |
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362 if [ "$1" = -- ]; then shift; fi |
225
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363 TAGS="$@" |
223 | 364 [ -n "${SITE}" ] || SITE=${DEFAULT_SITE} |
365 [ -n "${TAGS}" ] || Err_Fatal "No tag specified" | |
181
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366 # Get base folder - default, current folder or fallback to ${HOME} |
223 | 367 [ -n "${BASE_DIR}" ] || BASE_DIR=${PWD} |
368 [ -n "${BASE_DIR}" ] || BASE_DIR=${HOME} | |
227 | 369 [ -n "$(echo "${BASE_DIR}" | cut -c1 | grep \/)" ] || BASE_DIR="/${BASE_DIR}" |
370 # see if both pass and use are set. If they're set, switch _use_login variable content to 1. | |
232 | 371 [ ${has_pass} -eq 1 -a ${has_user} -eq 1 ] && _use_login=1 |
181
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372 |
159 | 373 echo "Tags: ${TAGS}" |
374 # slash is not wanted for folder name | |
193 | 375 TARGET_DIR=$(echo "${TAGS}" | sed -e 's/\//_/g') |
376 SITE_DIR=$(echo "${SITE}" | sed -e 's/\/$//g;s/\//_/g') | |
195
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377 TEMP_PREFIX="${BASE_DIR}/temp/${SITE_DIR}-${TARGET_DIR}" |
159 | 378 } |
148 | 379 |
228
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380 # global variables goes here |
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381 init_globals() |
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382 { |
301
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383 _version="1.0-rc3" # version of this script |
228
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384 _use_login=0 # variable to check whether a login is used or not |
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385 } |
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386 |
227 | 387 main() |
388 { | |
234
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389 # removing GNU-ism as much as possible |
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390 POSIXLY_CORRECT=1 |
228
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391 #initialize global variables |
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392 init_globals |
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393 #print welcome message |
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394 msg_welcome |
227 | 395 # initialization |
396 init "$@" | |
397 Check_Tools | |
398 Check_Folders | |
158
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399 |
148 | 400 |
227 | 401 # let's do the job! |
402 case "${JOB}" in | |
403 check) | |
404 Generate_Link | |
405 Check_Files | |
406 ;; | |
407 fetch) | |
408 Generate_Link | |
409 Check_Files | |
410 Fetch_Images | |
411 ;; | |
412 quickfetch) | |
413 ISNEW=1 | |
414 ISQUICK=1 | |
415 Generate_Link | |
416 Check_Files | |
417 Fetch_Images | |
418 ;; | |
419 esac | |
420 } | |
421 | |
422 # call the main routine! | |
423 main "$@" | |
424 |