Mercurial > hg > mgallery
annotate mgallery.inc.php @ 348:596196f2b0c5 default tip
Improve relative URL translation in header text blobs.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Wed, 20 Dec 2023 09:17:55 +0200 |
| parents | 7da360685721 |
| children |
| rev | line source |
|---|---|
| 0 | 1 <?php |
| 2 // | |
| 3 // Yet Another Image Gallery | |
|
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4 // -- Common functions and data include |
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5 // Programmed and designed by Matti 'ccr' Hamalainen <ccr@tnsp.org> |
| 345 | 6 // (C) Copyright 2015-2023 Tecnic Software productions (TNSP) |
| 0 | 7 // |
| 8 | |
| 346 | 9 $mgProgVersion = "v0.9.14"; |
| 0 | 10 $mgProgInfo = "Programmed by Matti 'ccr' Hamalainen"; |
| 11 $mgProgEmail = "<ccr@tnsp.org>"; | |
| 345 | 12 $mgProgCopyright = "2015-2023 Tecnic Software productions (TNSP)"; |
| 0 | 13 |
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14 $mgProgConfigFile = "mgallery.cfg"; |
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15 |
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16 $mgalDebug = FALSE; |
| 0 | 17 |
| 275 | 18 |
| 0 | 19 // |
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20 // Navigation control defines |
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21 // |
| 136 | 22 define("MGF_JAVASCRIPT" , 0x01); |
| 23 define("MGF_BREADCRUMBS" , 0x10); | |
| 24 define("MGF_CAPTIONS" , 0x20); | |
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25 |
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26 // |
| 0 | 27 // Constants for different value types |
| 28 // | |
| 136 | 29 define("MG_STR" , 1); |
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30 define("MG_STR_LC" , 2); |
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31 define("MG_STR_ARRAY" , 3); |
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32 define("MG_INT" , 4); |
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33 define("MG_DVA" , 5); |
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34 define("MG_BOOL" , 6); |
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35 define("MG_FLAGS" , 7); |
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36 define("MG_DATE" , 8); |
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37 define("MG_CALLABLE" , 9); |
| 0 | 38 |
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39 $mgValueTypes = [ |
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40 MG_STR => "string", |
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41 MG_STR_LC => "string lc", |
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42 MG_STR_ARRAY => "string array", |
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43 MG_INT => "int", |
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44 MG_DVA => "dva", |
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45 MG_BOOL => "bool", |
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46 MG_FLAGS => "flags", |
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47 MG_DATE => "date", |
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48 MG_CALLABLE => "callable", |
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49 ]; |
| 0 | 50 |
| 51 | |
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52 $mgGFlags = [ |
| 136 | 53 "javascript" => MGF_JAVASCRIPT, |
| 54 "breadcrumbs" => MGF_BREADCRUMBS, | |
| 55 "captions" => MGF_CAPTIONS, | |
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56 ]; |
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57 |
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58 |
| 0 | 59 function mgPathName($path) |
| 60 { | |
| 61 $tmp = mgCleanPathArray(TRUE, 0, func_num_args(), func_get_args()); | |
| 62 if (count($tmp) > 0) | |
| 63 return implode("/", array_splice($tmp, 0, -1))."/"; | |
| 64 else | |
| 65 return $path; | |
| 66 } | |
| 67 | |
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68 |
| 0 | 69 // |
| 70 // Configuration settings and their default values | |
| 71 // | |
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72 $mgDefaults = [ |
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73 "timezone" => [MG_STR, NULL], |
| 0 | 74 |
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75 "clean_urls" => [MG_BOOL, FALSE], |
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76 "base_path" => [MG_STR, mgPathName(mgRealPath($_SERVER["SCRIPT_FILENAME"]))], |
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77 "base_url" => [MG_STR, mgPathName($_SERVER["PHP_SELF"])], |
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78 "image_url" => [MG_STR, mgPathName($_SERVER["PHP_SELF"])], |
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79 "mgallery_php" => [MG_STR, ""], |
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80 "format_exts" => [MG_STR, "\.jpg|\.png|\.gif|\.jpeg|\.webp"], |
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81 "captions_file" => [MG_STR, "captions.txt"], |
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82 "header_file" => [MG_STR, "header.txt"], |
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83 "info_file" => [MG_STR, "mgallery.info"], |
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84 "cache_file" => [MG_STR, ".mgallery.cache"], |
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85 |
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86 "cover_images" => [MG_BOOL, TRUE], |
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87 "album_icon" => [MG_STR, NULL], |
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88 "show_keywords" => [MG_CALLABLE, FALSE, "mgParseShowKeywords"], |
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89 |
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90 "title_prefix" => [MG_STR, ""], |
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91 "title_sep" => [MG_STR, " - "], |
| 224 | 92 "page_info" => [MG_STR, "Powered by <b>MGallery ".$mgProgVersion."</b> © Copyright ".$mgProgCopyright], |
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93 |
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94 "css" => [MG_STR_ARRAY, NULL], |
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95 "js_file" => [MG_STR_ARRAY, NULL], |
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96 "urchin_file" => [MG_STR_ARRAY, FALSE], |
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98 "global_flags" => [MG_FLAGS, MGF_JAVASCRIPT | MGF_BREADCRUMBS | MGF_CAPTIONS, &$mgGFlags], |
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99 "image_flags" => [MG_FLAGS, MGF_JAVASCRIPT | MGF_BREADCRUMBS, &$mgGFlags], |
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100 "album_flags" => [MG_FLAGS, MGF_JAVASCRIPT | MGF_BREADCRUMBS, &$mgGFlags], |
| 0 | 101 |
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102 "tn_path" => [MG_STR, "tn/"], |
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103 "med_path" => [MG_STR, "med/"], |
| 0 | 104 |
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105 "tn_format" => [MG_STR_LC, "jpeg"], |
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106 "tn_width" => [MG_INT, 140], // In pixels, applies as bounding box for w/h |
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107 "tn_height" => [MG_INT, 100], |
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108 "tn_quality" => [MG_INT, 90], // JPEG/WEBP quality percent |
| 0 | 109 |
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110 "med_format" => [MG_STR_LC, "jpeg"], |
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111 "med_width" => [MG_INT, 1200], |
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112 "med_height" => [MG_INT, 900], |
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113 "med_quality" => [MG_INT, 90], |
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114 ]; |
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| 116 | |
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117 // |
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118 // Gallery album settings |
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119 // |
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120 $mgAlbumDefaults = [ |
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121 "show_keywords" => [MG_CALLABLE, FALSE, "mgParseShowKeywords"], |
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122 "hide" => [MG_BOOL, FALSE], |
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123 "hide_contents" => [MG_BOOL, FALSE], |
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124 "albumpic" => [MG_STR, FALSE], |
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125 "tn_format" => [MG_STR_LC, "jpeg"], |
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126 "med_format" => [MG_STR_LC, "jpeg"], |
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127 |
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128 "header" => [MG_STR_ARRAY, FALSE], |
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129 "caption" => [MG_STR_ARRAY, FALSE], |
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130 "title" => [MG_STR_ARRAY, FALSE], |
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131 ]; |
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132 |
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133 |
| 0 | 134 function mgDebug($msg) |
| 135 { | |
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136 global $mgalDebug; |
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137 if ($mgalDebug) |
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138 { |
| 275 | 139 echo "<p>MGAL[debug]: ".htmlspecialchars($msg)."</p>"; |
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140 error_log("MGAL[debug]: ".$msg); |
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141 } |
| 0 | 142 } |
| 143 | |
| 144 | |
| 145 function mgFatal($msg) | |
| 146 { | |
| 147 die("MGAL[fatal]: ".$msg); | |
| 148 } | |
| 149 | |
| 150 | |
| 151 function mgError($msg) | |
| 152 { | |
| 275 | 153 error_log("MGAL[error]: ".$msg); |
| 0 | 154 return FALSE; |
| 155 } | |
| 156 | |
| 157 | |
| 158 function mgCArg($index, $clip = FALSE) | |
| 159 { | |
| 160 global $argc, $argv; | |
| 161 if ($index < $argc) | |
| 162 { | |
| 163 $str = $argv[$index]; | |
| 164 return ($clip !== FALSE) ? substr($str, 0, $clip) : $str; | |
| 165 } | |
| 166 else | |
| 167 return FALSE; | |
| 168 } | |
| 169 | |
| 170 | |
| 171 function mgCArgLC($index, $clip = FALSE) | |
| 172 { | |
| 173 global $argc, $argv; | |
| 174 if ($index < $argc) | |
| 175 { | |
| 176 $str = strtolower($argv[$index]); | |
| 177 return ($clip !== FALSE) ? substr($str, 0, $clip) : $str; | |
| 178 } | |
| 179 else | |
| 180 return FALSE; | |
| 181 } | |
| 182 | |
| 183 | |
| 184 function mgGetSetting($key, $default = NULL) | |
| 185 { | |
| 186 global $mgSettings, $mgDefaults; | |
| 187 | |
| 188 if (!array_key_exists($key, $mgDefaults)) | |
| 189 mgFatal("Setting '".$key."' does not exist.\n"); | |
| 190 | |
| 191 if (array_key_exists($key, $mgSettings)) | |
| 192 $val = $mgSettings[$key]; | |
| 193 else | |
| 194 $val = $mgDefaults[$key][1]; | |
| 195 | |
| 196 if (!isset($val) || $val === NULL) | |
| 197 { | |
| 198 if ($default !== NULL) | |
| 199 $val = $default; | |
| 200 else | |
| 201 mgFatal("Setting '".$key."' is not set, but is required to be configured.\n"); | |
| 202 } | |
| 203 | |
| 204 return $val; | |
| 205 } | |
| 206 | |
| 207 | |
|
293
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208 function mgGetAlbumSetting(&$data, $key, $default = NULL) |
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209 { |
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210 if (array_key_exists($key, $data)) |
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211 $val = $data[$key]; |
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212 else |
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213 $val = mgGetSetting($key, $default); |
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214 |
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215 // XXX This is a rather silly place for this check, but since any album can |
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216 // set their own formats, we can't do this check globally without scanning |
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217 // all the sub-albums etc .. maybe we'll do that some day. |
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218 if (($key == "tn_format" || $key == "med_format") && |
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219 $val == "webp" && version_compare(PHP_VERSION, "7.1.0") < 0) |
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220 { |
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221 mgFatal("WebP image format support requires PHP version 7.1 or later.\n"); |
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222 } |
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223 |
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224 return $val; |
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225 } |
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226 |
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227 |
| 0 | 228 function mgGetPath($path, $key) |
| 229 { | |
| 230 $val = mgGetSetting($key); | |
| 231 return ($val !== FALSE) ? $path."/".$val : FALSE; | |
| 232 } | |
| 233 | |
| 234 | |
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235 function mgParseShowKeywords($val) |
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236 { |
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237 return preg_split("/\s*[,|]\s*/", $val, -1, PREG_SPLIT_NO_EMPTY); |
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238 } |
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239 |
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240 |
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241 function mgInvalidType(&$defaults, $key, $val) |
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242 { |
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243 global $mgValueTypes; |
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244 |
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245 mgFatal("Invalid value type '".gettype($val)."' for setting '".$key."', expected '". |
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246 $mgValueTypes[$defaults[$key][0]]."', value: '".$val."'.\n"); |
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247 |
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248 return FALSE; |
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249 } |
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250 |
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251 |
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252 function mgParseConfigSetting(&$settings, &$defaults, $key, $val) |
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253 { |
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254 if (!array_key_exists($key, $defaults)) |
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255 return mgFatal("Unknown setting key '".$key."'.\n"); |
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256 |
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257 switch ($defaults[$key][0]) |
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258 { |
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259 case MG_STR: |
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260 if (!is_string($val)) |
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261 return mgInvalidType($defaults, $key, $val); |
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262 break; |
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263 |
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264 case MG_STR_LC: |
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265 if (!is_string($val)) |
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266 return mgInvalidType($defaults, $key, $val); |
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267 |
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268 $val = strtolower($val); |
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269 break; |
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270 |
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271 case MG_STR_ARRAY: |
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272 if (is_string($val)) |
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273 $val = array($val); |
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274 |
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275 if (!is_array($val)) |
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276 return mgInvalidType($defaults, $key, $val); |
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277 break; |
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278 |
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279 case MG_INT: |
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280 if (!is_int($val)) |
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281 return mgInvalidType($defaults, $key, $val); |
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282 break; |
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283 |
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284 case MG_BOOL: |
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285 if (is_string($val)) |
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286 { |
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287 switch (strtolower(trim($val))) |
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288 { |
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289 case "yes": case "on": case "true": case "1": |
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290 $val = true; |
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291 break; |
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292 |
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293 case "no": case "off": case "false": case "0": |
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294 $val = false; |
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295 break; |
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296 |
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297 default: |
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298 mgInvalidType($defaults, $key, $val); |
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299 } |
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300 } |
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301 |
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302 if (!is_bool($val) && !is_int($val)) |
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303 return mgInvalidType($defaults, $key, $val); |
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304 break; |
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305 |
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306 case MG_FLAGS: |
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307 if (is_string($val)) |
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308 { |
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309 $flags = $mgDefaults[$key][2]; |
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310 $cval = preg_split("/\s*[,|]\s*/", strtolower($val), -1, PREG_SPLIT_NO_EMPTY); |
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311 $nval = 0; |
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312 foreach ($cval as $qval) |
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313 { |
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314 if (array_key_exists($qval, $flags)) |
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315 $nval |= $flags[$qval]; |
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316 else |
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317 return mgFatal("Invalid flag value for '".$key."': '".$qval."'."); |
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318 } |
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319 $val = $nval; |
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320 } else |
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321 return mgInvalidType($defaults, $key, $val); |
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322 break; |
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323 |
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324 case MG_CALLABLE: |
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325 if (!is_callable($defaults[$key][2])) |
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326 return mgInvalidType($defaults, $key, $val); |
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327 |
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328 $val = call_user_func($defaults[$key][2], $val); |
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329 break; |
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330 } |
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331 |
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332 $settings[$key] = $val; |
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333 return TRUE; |
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334 } |
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335 |
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336 |
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337 function mgReadOneConfig(&$searchPaths, $pathList) |
| 0 | 338 { |
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344
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339 global $mgSettings, $mgDefaults, $mgProgConfigFile; |
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340 $found = FALSE; |
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341 |
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342 foreach (array_unique($pathList) as $path) |
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343 { |
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344 $filename = $path.$mgProgConfigFile; |
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345 $searchPaths[] = $filename; |
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346 |
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347 if (!$found) |
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348 { |
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349 mgDebug("Checking '".$filename."' for configuration ..\n"); |
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350 |
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351 if (file_exists($filename) && |
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352 ($data = parse_ini_file($filename, FALSE)) !== FALSE) |
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353 { |
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354 mgDebug("Found '".$filename."' config.\n"); |
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355 foreach ($data as $dkey => &$dval) |
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356 mgParseConfigSetting($mgSettings, $mgDefaults, $dkey, $dval); |
| 0 | 357 |
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358 $found = TRUE; |
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359 } |
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360 } |
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361 } |
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362 |
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363 return $found; |
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364 } |
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365 |
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366 |
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367 function mgReadSettings(&$searchPaths) |
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368 { |
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369 global $mgSettings; |
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370 $mgSettings = []; |
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371 $searchPaths = []; |
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372 |
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373 // System-wide |
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374 $ok = mgReadOneConfig($searchPaths, ["/etc/", "/usr/local/etc/"]); |
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375 |
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376 // User-specific |
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377 $spaths = []; |
| 0 | 378 if (($tmp = getenv("HOME")) !== FALSE && strlen($tmp) > 0) |
| 379 { | |
| 380 $spaths[] = $tmp."/.config/mgallery/"; | |
| 381 $spaths[] = $tmp."/."; | |
| 382 } | |
| 383 else | |
| 384 { | |
| 385 $data = posix_getpwuid(posix_getuid()); | |
| 386 if ($data !== FALSE && isset($data["dir"])) | |
| 387 { | |
| 388 $tmp = $data["dir"]; | |
| 389 $spaths[] = $tmp."/.config/mgallery/"; | |
| 390 $spaths[] = $tmp."/."; | |
| 391 } | |
| 392 } | |
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393 $ok |= mgReadOneConfig($searchPaths, $spaths); |
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394 |
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395 // Album/directory-local |
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396 $ok |= mgReadOneConfig($searchPaths, [ dirname(__FILE__)."/", getcwd()."/" ]); |
| 0 | 397 |
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398 $searchPaths = array_unique($searchPaths); |
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399 return $ok; |
| 0 | 400 } |
| 401 | |
| 402 | |
| 403 function mgRealPath($path) | |
| 404 { | |
| 405 return realpath($path); | |
| 406 } | |
| 407 | |
| 408 | |
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409 function mgCleanPathStr($path) |
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410 { |
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411 return str_replace("//", "/", $path); |
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412 } |
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413 |
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414 |
| 0 | 415 function mgCleanPathArray($refs, $start, $argc, $argv) |
| 416 { | |
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417 $path = []; |
| 0 | 418 $first = TRUE; |
| 419 for ($n = $start; $n < $argc; $n++) | |
| 420 { | |
| 421 foreach (explode("/", $argv[$n]) as $piece) | |
| 422 { | |
| 423 switch ($piece) | |
| 424 { | |
| 425 case ".": | |
| 426 case "": | |
| 427 if ($first) | |
| 428 $path[] = $piece; | |
| 429 break; | |
| 430 | |
| 431 case "..": | |
| 432 if ($refs && count($path) > 0) | |
| 433 array_pop($path); | |
| 434 break; | |
| 435 | |
| 436 default: | |
| 437 $path[] = $piece; | |
| 438 break; | |
| 439 } | |
| 440 $first = FALSE; | |
| 441 } | |
| 442 } | |
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443 return mgCleanPathStr($path); |
| 0 | 444 } |
| 445 | |
| 446 | |
| 447 function mgCleanPath($refs) | |
| 448 { | |
| 449 return implode("/", mgCleanPathArray($refs, 1, func_num_args(), func_get_args())); | |
| 450 } | |
| 451 | |
| 452 | |
| 453 function mgGetArr($data, $skeys, $sfmt1 = "%1", $sfmt2 = "", $func = NULL) | |
| 454 { | |
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455 global $pageLang; |
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456 |
| 0 | 457 if (!is_array($skeys)) |
| 458 $skeys = array($skeys); | |
| 459 | |
| 460 foreach ($skeys as $skey) | |
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461 { |
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462 if (!array_key_exists($skey, $data)) |
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463 return $sfmt2; |
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464 } |
| 0 | 465 |
| 466 $str = $sfmt1; | |
| 467 for ($i = 1; $i <= sizeof($skeys); $i++) | |
| 468 { | |
| 469 $val = $data[$skeys[$i - 1]]; | |
|
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470 if (is_array($val)) |
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471 $vtmp = array_key_exists($pageLang, $val) ? $val[$pageLang] : reset($val); |
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472 else |
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473 $vtmp = $val; |
| 0 | 474 |
| 475 if (is_callable($func)) | |
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476 $vtmp = call_user_func($func, $vtmp); |
| 0 | 477 |
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478 $str = str_replace("%".$i, $vtmp, $str); |
| 0 | 479 } |
| 480 | |
| 481 return $str; | |
| 482 } | |
| 483 | |
| 484 | |
| 485 ?> |