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1 <?php
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2 //
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3 // Yet Another Image Gallery
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4 // (C) Copyright 2015 Tecnic Software productions (TNSP)
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5 //
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6
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7 $mgProgVersion = "v0.4";
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8 $mgProgInfo = "Programmed by Matti 'ccr' Hamalainen";
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9 $mgProgEmail = "<ccr@tnsp.org>";
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10 $mgProgCopyright = "2015 Tecnic Software productions (TNSP)";
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11
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12
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13 //
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14 // Constants for different value types
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15 //
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16 define("MG_STR", 1);
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17 define("MG_INT", 2);
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18 define("MG_DVA", 3);
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19 define("MG_BOOL", 4);
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20
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21
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22 define("yes", 1);
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23 define("no", 0);
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24
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25
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26 //
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27 // Navigation control defines
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28 //
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29 define("GNAV_TOP" , 0x01);
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30 define("GNAV_BOTTOM" , 0x02);
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31 define("GNAV_IMG" , 0x04);
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32 define("GNAV_TEXT" , 0x08);
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33 define("GNAV_SIDE_IMG" , 0x10);
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34 define("GNAV_JAVASCRIPT" , 0x20);
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35 define("GNAV_BREADCRUMBS", 0x40);
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36
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37
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38 function mgPathName($path)
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39 {
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40 $tmp = mgCleanPathArray(TRUE, 0, func_num_args(), func_get_args());
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41 if (count($tmp) > 0)
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42 return implode("/", array_splice($tmp, 0, -1))."/";
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43 else
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44 return $path;
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45 }
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46
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47 //
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48 // Configuration settings and their default values
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49 //
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50 $mgDefaults = array(
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51 "base_path" => array(MG_STR, mgPathName(mgRealPath($_SERVER["SCRIPT_FILENAME"]))),
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52 "base_url" => array(MG_STR, mgPathName($_SERVER["PHP_SELF"])),
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53 "image_url" => array(MG_STR, mgPathName($_SERVER["PHP_SELF"])),
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54 "mgallery_php" => array(MG_STR, "mgallery.php"),
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55 "format_exts" => array(MG_STR, "\.jpg|\.png|\.gif|\.jpeg"),
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56 "captions_file" => array(MG_STR, "captions.txt"),
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57 "header_file" => array(MG_STR, "header.txt"),
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58 "info_file" => array(MG_STR, "gallery.info"),
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59 "cache_file" => array(MG_STR, ".mgallery.cache"),
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60
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61 "clean_urls" => array(MG_BOOL, FALSE),
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62
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63 "title_prefix" => array(MG_STR, ""),
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64 "title_sep" => array(MG_STR, " - "),
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65 "page_info" => array(MG_STR, "<b>MGallery ".$mgProgVersion."</b> © Copyright ".$mgProgCopyright),
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66 "css_select" => array(MG_BOOL, FALSE),
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67 "css" => array(MG_STR, NULL),
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68 "album_icon" => array(MG_STR, "album_sm.png"),
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69
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70 "image_navigation" => array(MG_INT, GNAV_TOP | GNAV_BOTTOM | GNAV_SIDE_IMG | GNAV_TEXT | GNAV_JAVASCRIPT | GNAV_BREADCRUMBS),
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71 "album_navigation" => array(MG_INT, GNAV_BREADCRUMBS),
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72
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73 "album_row_limit" => array(MG_INT, 5),
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74 "album_page_limit" => array(MG_INT, 100),
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75
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76 "med_suffix" => array(MG_STR, ".med"),
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77 "tn_path" => array(MG_STR, "tn/"),
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78
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79 "tn_width" => array(MG_INT, 140), // In pixels, applies as bounding box for w/h
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80 "tn_height" => array(MG_INT, 100),
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81 "tn_quality" => array(MG_INT, 80), // JPEG quality percent
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82
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83 "med_width" => array(MG_INT, 800),
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84 "med_height" => array(MG_INT, 600),
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85 "med_quality" => array(MG_INT, 95),
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86 );
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87
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88
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89 function mgDebug($msg)
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90 {
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91 // echo "MGAL[debug]: ".$msg;
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92 }
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93
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94
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95 function mgFatal($msg)
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96 {
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97 die("MGAL[fatal]: ".$msg);
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98 }
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99
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100
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101 function mgError($msg)
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102 {
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103 echo "MGAL[error]: ".$msg;
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104 return FALSE;
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105 }
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106
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107
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108 function mgCArg($index, $clip = FALSE)
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109 {
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110 global $argc, $argv;
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111 if ($index < $argc)
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112 {
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113 $str = $argv[$index];
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114 return ($clip !== FALSE) ? substr($str, 0, $clip) : $str;
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115 }
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116 else
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117 return FALSE;
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118 }
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119
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120
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121 function mgCArgLC($index, $clip = FALSE)
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122 {
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123 global $argc, $argv;
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124 if ($index < $argc)
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125 {
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126 $str = strtolower($argv[$index]);
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127 return ($clip !== FALSE) ? substr($str, 0, $clip) : $str;
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128 }
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129 else
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130 return FALSE;
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131 }
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132
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133
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134 function mgGetSetting($key, $default = NULL)
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135 {
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136 global $mgSettings, $mgDefaults;
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137
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138 if (!array_key_exists($key, $mgDefaults))
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139 mgFatal("Setting '".$key."' does not exist.\n");
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140
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141 if (array_key_exists($key, $mgSettings))
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142 $val = $mgSettings[$key];
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143 else
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144 $val = $mgDefaults[$key][1];
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145
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146 if (!isset($val) || $val === NULL)
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147 {
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148 if ($default !== NULL)
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149 $val = $default;
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150 else
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151 mgFatal("Setting '".$key."' is not set, but is required to be configured.\n");
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152 }
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153
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154 return $val;
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155 }
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156
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157
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158 function mgGetPath($path, $key)
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159 {
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160 $val = mgGetSetting($key);
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161 return ($val !== FALSE) ? $path."/".$val : FALSE;
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162 }
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163
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164
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165 function mgReadSettings($filename = "mgallery.cfg")
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166 {
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167 global $mgSettings, $mgDefaults;
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168
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169 $spaths = array();
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170 $spaths[] = getcwd()."/";
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171 if (($tmp = getenv("HOME")) !== FALSE && strlen($tmp) > 0)
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172 {
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173 $spaths[] = $tmp."/.config/mgallery/";
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174 $spaths[] = $tmp."/.";
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175 }
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176 else
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177 {
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178 $data = posix_getpwuid(posix_getuid());
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179 if ($data !== FALSE && isset($data["dir"]))
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180 {
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181 $tmp = $data["dir"];
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182 $spaths[] = $tmp."/.config/mgallery/";
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183 $spaths[] = $tmp."/.";
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184 }
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185 }
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186 $spaths[] = dirname(__FILE__)."/";
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187
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188 foreach (array_unique($spaths) as $path)
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189 {
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190 $file = $path.$filename;
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191 mgDebug("Checking '".$file."' for configuration ..\n");
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192 if (file_exists($file) &&
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193 ($mgSettings = parse_ini_file($file, FALSE)) !== FALSE)
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194 {
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195 mgDebug("Found '".$file."' config.\n");
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196
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197 // Validate settings
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198 $ok = TRUE;
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199 foreach ($mgSettings as $setting => $val)
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200 {
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201 if (!array_key_exists($setting, $mgDefaults))
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202 {
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203 mgError("Setting '".$setting."' does not exist.\n");
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204 $ok = FALSE;
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205 }
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206 }
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207 return $ok;
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208 }
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209 }
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210
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211 $mgSettings = array();
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212 return FALSE;
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213 }
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214
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215
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216 function mgRealPath($path)
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217 {
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218 return realpath($path);
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219 }
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220
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221
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222 function mgCleanPathArray($refs, $start, $argc, $argv)
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223 {
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224 $path = array();
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225 $first = TRUE;
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226 for ($n = $start; $n < $argc; $n++)
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227 {
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228 foreach (explode("/", $argv[$n]) as $piece)
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229 {
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230 switch ($piece)
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231 {
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232 case ".":
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233 case "":
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234 if ($first)
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235 $path[] = $piece;
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236 break;
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237
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238 case "..":
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239 if ($refs && count($path) > 0)
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240 array_pop($path);
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241 break;
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242
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243 default:
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244 $path[] = $piece;
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245 break;
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246 }
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247 $first = FALSE;
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248 }
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249 }
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250 return $path;
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251 }
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252
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253
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254 function mgCleanPath($refs)
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255 {
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256 return implode("/", mgCleanPathArray($refs, 1, func_num_args(), func_get_args()));
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257 }
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258
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259
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260 function mgGetArr($data, $skeys, $sfmt1 = "%1", $sfmt2 = "", $func = NULL)
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261 {
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262 if (!is_array($skeys))
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263 $skeys = array($skeys);
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264
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265 foreach ($skeys as $skey)
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266 if (!array_key_exists($skey, $data))
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267 return $sfmt2;
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268
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269 $str = $sfmt1;
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270 for ($i = 1; $i <= sizeof($skeys); $i++)
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271 {
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272 $val = $data[$skeys[$i - 1]];
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273
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274 if (is_callable($func))
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275 $val = call_user_func($func, $val);
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276
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277 $str = str_replace("%".$i, $val, $str);
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278 }
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279
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280 return $str;
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281 }
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282
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283
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284 function mgGetVal($skeys, $sfmt1 = "%1", $sfmt2 = "", $func = NULL)
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285 {
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286 }
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287
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288
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289 function mgGetDValStr($type, $val)
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290 {
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291 switch ($type)
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292 {
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293 case MG_STR : return "\"".$val."\"";
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294 case MG_BOOL : return $val ? "yes" : "no";
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295 case MG_INT :
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296 default : return (string) $val;
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297 }
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298 }
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299
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300
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301 ?> |
