1 | <?php |
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2 | |
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3 | // vim:sw=2:sts=2:ts=2:noet:sta:tw=200 |
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4 | |
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5 | /* |
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6 | |
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7 | An Atom Publishing Protocol implementation for WordPress. |
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8 | |
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9 | Author: Elias Torres <elias@torrez.us> |
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10 | |
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11 | */ |
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12 | |
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13 | /* |
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14 | |
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15 | Copyright 2006 Elias Torres <elias@torrez.us> |
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16 | |
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17 | This program is free software; you can redistribute it and/or modify |
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18 | it under the terms of the GNU General Public License as published by |
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19 | the Free Software Foundation; either version 2 of the License, or |
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20 | (at your option) any later version. |
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21 | |
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22 | This program is distributed in the hope that it will be useful, |
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23 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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24 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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25 | GNU General Public License for more details. |
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26 | |
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27 | You should have received a copy of the GNU General Public License |
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28 | along with this program; if not, write to the Free Software |
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29 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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30 | |
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31 | */ |
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32 | |
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33 | define('APP_REQUEST', true); |
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34 | |
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35 | require_once('wp-config.php'); |
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36 | |
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37 | if (!isset($PATH_INFO)) { |
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38 | $PATH_INFO = substr($_SERVER['REQUEST_URI'],strlen($_SERVER['SCRIPT_NAME']), |
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39 | strlen($_SERVER['REQUEST_URI'])); |
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40 | } |
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41 | |
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42 | $app_logging = 1; |
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43 | |
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44 | function log_app($label,$msg) { |
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45 | global $app_logging; |
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46 | if ($app_logging) { |
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47 | $fp = fopen("app.log","a+"); |
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48 | $date = gmdate("Y-m-d H:i:s "); |
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49 | fwrite($fp, "\n\n".$date."- $label\n".$msg."\n"); |
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50 | fclose($fp); |
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51 | } |
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52 | } |
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53 | |
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54 | # |
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55 | # |
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56 | |
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57 | if ( !function_exists('wp_set_current_user') ) : |
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58 | function wp_set_current_user($id, $name = '') { |
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59 | global $current_user; |
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60 | |
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61 | if ( isset($current_user) && ($id == $current_user->ID) ) |
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62 | return $current_user; |
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63 | |
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64 | $current_user = new WP_User($id, $name); |
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65 | |
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66 | return $current_user; |
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67 | } |
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68 | endif; |
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69 | |
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70 | function wa_posts_where_include_drafts_filter($where) { |
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71 | $where = ereg_replace("post_author = ([0-9]+) AND post_status != 'draft'","post_author = \\1 AND post_status = 'draft'", $where); |
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72 | return $where; |
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73 | } |
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74 | add_filter('posts_where', 'wa_posts_where_include_drafts_filter'); |
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75 | |
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76 | # |
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77 | # |
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78 | |
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79 | class AtomEntry { |
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80 | |
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81 | var $links = array(); |
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82 | var $categories = array(); |
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83 | } |
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84 | |
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85 | class AtomParser { |
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86 | |
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87 | var $ATOM_CONTENT_ELEMENTS = array('content','summary','title','subtitle','rights'); |
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88 | var $ATOM_SIMPLE_ELEMENTS = array('id','updated','published','draft'); |
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89 | |
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90 | var $depth = 0; |
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91 | var $indent = 2; |
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92 | var $in_content; |
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93 | var $ns_contexts = array(); |
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94 | var $ns_decls = array(); |
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95 | var $is_xhtml = false; |
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96 | var $skipped_div = false; |
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97 | |
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98 | var $entry; |
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99 | |
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100 | function AtomParser() { |
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101 | |
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102 | $this->entry = new AtomEntry(); |
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103 | $this->map_attrs_func = create_function('$k,$v', 'return "$k=\"$v\"";'); |
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104 | $this->map_xmlns_func = create_function('$p,$n', '$xd = "xmlns"; if(strlen($n[0])>0) $xd .= ":{$n[0]}"; return "{$xd}=\"{$n[1]}\"";'); |
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105 | } |
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106 | |
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107 | function parse() { |
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108 | |
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109 | global $app_logging; |
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110 | array_unshift($this->ns_contexts, array()); |
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111 | |
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112 | $parser = xml_parser_create_ns("UTF-8"); |
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113 | xml_set_object($parser, $this); |
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114 | xml_set_element_handler($parser, "start_element", "end_element"); |
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115 | xml_parser_set_option($parser,XML_OPTION_CASE_FOLDING,0); |
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116 | xml_parser_set_option($parser,XML_OPTION_SKIP_WHITE,0); |
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117 | xml_set_character_data_handler($parser, "cdata"); |
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118 | xml_set_default_handler($parser, "_default"); |
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119 | xml_set_start_namespace_decl_handler($parser, "start_ns"); |
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120 | xml_set_end_namespace_decl_handler($parser, "end_ns"); |
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121 | |
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122 | $contents = ""; |
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123 | |
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124 | $fp = fopen("php://input", "r"); |
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125 | while(!feof($fp)) { |
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126 | $line = fgets($fp, 4096); |
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127 | |
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128 | if($app_logging) $contents .= $line; |
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129 | |
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130 | if(!xml_parse($parser, $line, feof($fp))) { |
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131 | log_app("xml_parse_error", "line: $line"); |
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132 | xml_parser_free($parser); |
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133 | return false; |
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134 | } |
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135 | } |
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136 | fclose($fp); |
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137 | |
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138 | xml_parser_free($parser); |
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139 | |
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140 | log_app("AtomParser->parse()",trim($contents)); |
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141 | |
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142 | return true; |
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143 | } |
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144 | |
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145 | function start_element($parser, $name, $attrs) { |
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146 | |
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147 | $tag = array_pop(split(":", $name)); |
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148 | |
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149 | array_unshift($this->ns_contexts, $this->ns_decls); |
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150 | |
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151 | $this->depth++; |
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152 | |
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153 | #print str_repeat(" ", $this->depth * $this->indent) . "start_element('$name')" ."\n"; |
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154 | #print str_repeat(" ", $this->depth+1 * $this->indent) . print_r($this->ns_contexts,true) ."\n"; |
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155 | |
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156 | if(!empty($this->in_content)) { |
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157 | $attrs_prefix = array(); |
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158 | |
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159 | // resolve prefixes for attributes |
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160 | foreach($attrs as $key => $value) { |
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161 | $attrs_prefix[$this->ns_to_prefix($key)] = $this->xml_escape($value); |
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162 | } |
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163 | $attrs_str = join(' ', array_map($this->map_attrs_func, array_keys($attrs_prefix), array_values($attrs_prefix))); |
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164 | if(strlen($attrs_str) > 0) { |
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165 | $attrs_str = " " . $attrs_str; |
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166 | } |
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167 | |
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168 | $xmlns_str = join(' ', array_map($this->map_xmlns_func, array_keys($this->ns_contexts[0]), array_values($this->ns_contexts[0]))); |
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169 | if(strlen($xmlns_str) > 0) { |
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170 | $xmlns_str = " " . $xmlns_str; |
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171 | } |
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172 | |
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173 | // handle self-closing tags (case: a new child found right-away, no text node) |
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174 | if(count($this->in_content) == 2) { |
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175 | array_push($this->in_content, ">"); |
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176 | } |
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177 | |
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178 | array_push($this->in_content, "<". $this->ns_to_prefix($name) ."{$xmlns_str}{$attrs_str}"); |
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179 | } else if(in_array($tag, $this->ATOM_CONTENT_ELEMENTS) || in_array($tag, $this->ATOM_SIMPLE_ELEMENTS)) { |
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180 | $this->in_content = array(); |
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181 | $this->is_xhtml = $attrs['type'] == 'xhtml'; |
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182 | array_push($this->in_content, array($tag,$this->depth)); |
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183 | } else if($tag == 'link') { |
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184 | array_push($this->entry->links, $attrs); |
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185 | } else if($tag == 'category') { |
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186 | array_push($this->entry->categories, $attrs); |
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187 | } |
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188 | |
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189 | $this->ns_decls = array(); |
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190 | } |
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191 | |
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192 | function end_element($parser, $name) { |
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193 | |
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194 | $tag = array_pop(split(":", $name)); |
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195 | |
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196 | if(!empty($this->in_content)) { |
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197 | if($this->in_content[0][0] == $tag && |
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198 | $this->in_content[0][1] == $this->depth) { |
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199 | array_shift($this->in_content); |
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200 | if($this->is_xhtml) { |
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201 | $this->in_content = array_slice($this->in_content, 2, count($this->in_content)-3); |
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202 | } |
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203 | $this->entry->$tag = join('',$this->in_content); |
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204 | $this->in_content = array(); |
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205 | } else { |
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206 | $endtag = $this->ns_to_prefix($name); |
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207 | if(strstr($this->in_content[count($this->in_content)-1], "<$endtag")) { |
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208 | array_push($this->in_content, "/>"); |
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209 | } else { |
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210 | array_push($this->in_content, "</$endtag>"); |
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211 | } |
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212 | } |
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213 | } |
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214 | |
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215 | array_shift($this->ns_contexts); |
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216 | |
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217 | #print str_repeat(" ", $this->depth * $this->indent) . "end_element('$name')" ."\n"; |
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218 | |
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219 | $this->depth--; |
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220 | } |
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221 | |
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222 | function start_ns($parser, $prefix, $uri) { |
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223 | #print str_repeat(" ", $this->depth * $this->indent) . "starting: " . $prefix . ":" . $uri . "\n"; |
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224 | array_push($this->ns_decls, array($prefix,$uri)); |
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225 | } |
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226 | |
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227 | function end_ns($parser, $prefix) { |
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228 | #print str_repeat(" ", $this->depth * $this->indent) . "ending: #" . $prefix . "#\n"; |
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229 | } |
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230 | |
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231 | function cdata($parser, $data) { |
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232 | #print str_repeat(" ", $this->depth * $this->indent) . "data: #" . $data . "#\n"; |
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233 | if(!empty($this->in_content)) { |
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234 | // handle self-closing tags (case: text node found, need to close element started) |
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235 | if(strstr($this->in_content[count($this->in_content)-1], "<")) { |
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236 | array_push($this->in_content, ">"); |
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237 | } |
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238 | array_push($this->in_content, $this->xml_escape($data)); |
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239 | } |
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240 | } |
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241 | |
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242 | function _default($parser, $data) { |
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243 | # when does this gets called? |
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244 | } |
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245 | |
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246 | |
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247 | function ns_to_prefix($qname) { |
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248 | $components = split(":", $qname); |
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249 | $name = array_pop($components); |
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250 | |
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251 | if(!empty($components)) { |
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252 | $ns = join(":",$components); |
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253 | foreach($this->ns_contexts as $context) { |
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254 | foreach($context as $mapping) { |
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255 | if($mapping[1] == $ns && strlen($mapping[0]) > 0) { |
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256 | return "$mapping[0]:$name"; |
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257 | } |
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258 | } |
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259 | } |
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260 | } |
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261 | return $name; |
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262 | } |
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263 | |
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264 | function xml_escape($string) |
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265 | { |
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266 | return str_replace(array('&','"',"'",'<','>'), |
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267 | array('&','"',''','<','>'), |
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268 | $string ); |
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269 | } |
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270 | } |
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271 | |
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272 | class AtomServer { |
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273 | |
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274 | var $ATOM_CONTENT_TYPE = 'application/atom+xml'; |
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275 | |
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276 | var $INTROSPECTION_CONTENT_TYPE = 'application/atomserv+xml'; |
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277 | |
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278 | var $ENTRIES_PATH = "posts"; |
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279 | var $MEDIA_PATH = "attachments"; |
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280 | var $ENTRY_PATH = "post"; |
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281 | var $MEDIA_SINGLE_PATH = "attachment"; |
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282 | |
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283 | var $params = array(); |
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284 | var $script_name = "app.php"; |
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285 | var $media_content_types = array('image/*','audio/*','video/*'); |
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286 | var $atom_content_types = array('application/atom+xml'); |
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287 | |
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288 | var $selectors = array(); |
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289 | |
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290 | // support for head |
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291 | var $do_output = true; |
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292 | |
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293 | function AtomServer() { |
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294 | |
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295 | $this->script_name = array_pop(explode('/',$_SERVER['SCRIPT_NAME'])); |
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296 | |
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297 | $this->selectors = array( |
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298 | '@/service@' => |
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299 | array('GET' => 'get_service'), |
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300 | '@/post/(\d+)@' => |
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301 | array('GET' => 'get_post', |
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302 | 'PUT' => 'put_post', |
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303 | 'DELETE' => 'delete_post'), |
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304 | '@/posts/?([^/]+)?@' => |
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305 | array('GET' => 'get_posts', |
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306 | 'POST' => 'create_post'), |
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307 | '@/attachments/?(\d+)?@' => |
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308 | array('GET' => 'get_attachments', |
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309 | 'POST' => 'create_attachment'), |
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310 | '@/attachment/file/(\d+)@' => |
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311 | array('GET' => 'get_file', |
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312 | 'PUT' => 'put_file', |
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313 | 'DELETE' => 'delete_file'), |
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314 | '@/attachment/(\d+)@' => |
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315 | array('GET' => 'get_attachment', |
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316 | 'PUT' => 'put_attachment', |
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317 | 'DELETE' => 'delete_attachment'), |
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318 | ); |
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319 | } |
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320 | |
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321 | function handle_request() { |
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322 | |
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323 | $path = $_SERVER['PATH_INFO']; |
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324 | $method = $_SERVER['REQUEST_METHOD']; |
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325 | |
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326 | $this->process_conditionals(); |
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327 | |
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328 | // exception case for HEAD (treat exactly as GET, but don't output) |
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329 | if($method == 'HEAD') { |
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330 | $this->do_output = false; |
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331 | $method = 'GET'; |
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332 | } |
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333 | |
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334 | // lame. |
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335 | if(strlen($path) == 0) { |
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336 | $path = '/service'; |
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337 | } |
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338 | |
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339 | // authenticate regardless of the operation and set the current |
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340 | // user. each handler will decide if auth is required or not. |
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341 | $this->authenticate(); |
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342 | |
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343 | // dispatch |
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344 | foreach($this->selectors as $regex => $funcs) { |
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345 | if(preg_match($regex, $path, $matches)) { |
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346 | if(isset($funcs[$method])) { |
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347 | array_shift($matches); |
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348 | call_user_func_array(array(&$this,$funcs[$method]), $matches); |
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349 | exit(); |
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350 | } else { |
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351 | // only allow what we have handlers for... |
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352 | $this->not_allowed(array_keys($funcs)); |
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353 | } |
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354 | } |
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355 | } |
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356 | |
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357 | // oops, nothing found |
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358 | $this->not_found(); |
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359 | } |
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360 | |
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361 | function get_service() { |
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362 | $entries_url = $this->get_entries_url(); |
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363 | $media_url = $this->get_attachments_url(); |
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364 | $accepted_content_types = join(',',$this->media_content_types); |
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365 | $introspection = <<<EOD |
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366 | <service xmlns="http://purl.org/atom/app#" xmlns:atom="http://www.w3.org/2005/Atom"> |
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367 | <workspace title="WordPress Experimental Workspace"> |
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368 | <collection href="$entries_url"> |
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369 | <accept>entry</accept> |
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370 | <atom:title>WordPress Posts</atom:title> |
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371 | </collection> |
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372 | <collection href="$media_url"> |
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373 | <accept>$accepted_content_types</accept> |
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374 | <atom:title>WordPress Media</atom:title> |
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375 | </collection> |
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376 | </workspace> |
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377 | </service> |
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378 | |
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379 | EOD; |
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380 | $this->output($introspection, $this->INTROSPECTION_CONTENT_TYPE); |
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381 | } |
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382 | |
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383 | /* |
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384 | * Create Post (No arguments) |
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385 | */ |
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386 | function create_post() { |
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387 | |
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388 | $this->get_accepted_content_type($this->atom_content_types); |
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389 | |
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390 | $parser = new AtomParser(); |
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391 | if(!$parser->parse()) { |
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392 | $this->client_error(); |
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393 | } |
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394 | |
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395 | $entry = $parser->entry; |
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396 | |
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397 | $publish = (isset($entry->draft) && trim($entry->draft) == 'yes') ? false : true; |
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398 | |
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399 | $cap = ($publish) ? 'publish_posts' : 'edit_posts'; |
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400 | |
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401 | if(!current_user_can($cap)) |
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402 | $this->auth_required('Sorry, you do not have the right to edit/publish new posts.'); |
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403 | |
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404 | $blog_ID = 1; |
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405 | $post_status = ($publish) ? 'publish' : 'draft'; |
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406 | $post_author = $user->ID; |
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407 | $post_title = $entry->title; |
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408 | $post_content = $entry->content; |
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409 | $post_date = current_time('mysql'); |
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410 | $post_date_gmt = current_time('mysql', 1); |
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411 | |
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412 | $post_data = compact('blog_ID', 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_category', 'post_status'); |
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413 | |
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414 | $postID = wp_insert_post($post_data); |
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415 | |
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416 | if (!$postID) { |
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417 | $this->internal_error('Sorry, your entry could not be posted. Something wrong happened.'); |
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418 | } |
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419 | |
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420 | $output = $this->get_entry($postID); |
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421 | |
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422 | $this->created($postID, $output); |
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423 | } |
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424 | |
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425 | function get_post($postID) { |
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426 | |
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427 | global $entry; |
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428 | $this->set_current_entry($postID); |
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429 | $output = $this->get_entry($postID); |
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430 | $this->output($output); |
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431 | |
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432 | } |
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433 | |
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434 | function put_post($postID) { |
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435 | |
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436 | // checked for valid content-types (atom+xml) |
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437 | // quick check and exit |
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438 | $this->get_accepted_content_type($this->atom_content_types); |
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439 | |
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440 | $parser = new AtomParser(); |
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441 | if(!$parser->parse()) { |
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442 | $this->bad_request(); |
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443 | } |
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444 | |
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445 | $parsed = $parser->entry; |
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446 | |
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447 | // check for not found |
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448 | global $entry; |
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449 | $this->set_current_entry($postID); |
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450 | $this->escape($entry); |
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451 | |
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452 | if(!current_user_can('edit_post', $entry['ID'])) |
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453 | $this->auth_required('Sorry, you do not have the right to edit this post.'); |
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454 | |
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455 | $publish = (isset($parsed->draft) && trim($parsed->draft) == 'yes') ? false : true; |
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456 | |
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457 | extract($entry); |
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458 | |
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459 | $post_title = $parsed->title; |
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460 | $post_content = $parsed->content; |
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461 | |
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462 | // let's not go backwards and make something draft again. |
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463 | if(!$publish && $post_status == 'draft') { |
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464 | $post_status = ($publish) ? 'publish' : 'draft'; |
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465 | } |
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466 | |
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467 | $postdata = compact('ID', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt'); |
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468 | |
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469 | $result = wp_update_post($postdata); |
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470 | |
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471 | if (!$result) { |
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472 | $this->internal_error('For some strange yet very annoying reason, this post could not be edited.'); |
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473 | } |
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474 | |
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475 | $this->ok(); |
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476 | } |
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477 | |
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478 | function delete_post($postID) { |
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479 | |
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480 | // check for not found |
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481 | global $entry; |
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482 | $this->set_current_entry($postID); |
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483 | |
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484 | if(!current_user_can('edit_post', $postID)) { |
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485 | $this->auth_required('Sorry, you do not have the right to delete this post.'); |
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486 | } |
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487 | |
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488 | $result = wp_delete_post($postID); |
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489 | |
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490 | if (!$result) { |
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491 | $this->internal_error('For some strange yet very annoying reason, this post could not be deleted.'); |
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492 | } |
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493 | |
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494 | $this->ok(); |
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495 | } |
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496 | |
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497 | function create_attachment() { |
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498 | |
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499 | $type = $this->get_accepted_content_type(); |
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500 | |
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501 | if(!current_user_can('upload_files')) |
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502 | $this->auth_required('You do not have permission to upload files.'); |
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503 | |
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504 | $fp = fopen("php://input", "rb"); |
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505 | $bits = NULL; |
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506 | while(!feof($fp)) { |
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507 | $bits .= fread($fp, 4096); |
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508 | } |
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509 | fclose($fp); |
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510 | |
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511 | $file = wp_upload_bits('noah.jpg',NULL,$bits); |
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512 | |
---|
513 | $url = $file['url']; |
---|
514 | $file = $file['file']; |
---|
515 | $filename = basename($file); |
---|
516 | |
---|
517 | // Construct the attachment array |
---|
518 | $attachment = array( |
---|
519 | 'post_title' => $imgtitle ? $imgtitle : $filename, |
---|
520 | 'post_content' => $descr, |
---|
521 | 'post_status' => 'attachment', |
---|
522 | 'post_parent' => 0, |
---|
523 | 'post_mime_type' => $type, |
---|
524 | 'guid' => $url |
---|
525 | ); |
---|
526 | |
---|
527 | // Save the data |
---|
528 | $postID = wp_insert_attachment($attachment, $file, $post); |
---|
529 | |
---|
530 | if (!$postID) { |
---|
531 | $this->internal_error('Sorry, your entry could not be posted. Something wrong happened.'); |
---|
532 | } |
---|
533 | |
---|
534 | $output = $this->get_entry($postID, 'attachment'); |
---|
535 | |
---|
536 | $this->created($postID, $output, 'attachment'); |
---|
537 | } |
---|
538 | |
---|
539 | function put_attachment($postID) { |
---|
540 | |
---|
541 | // checked for valid content-types (atom+xml) |
---|
542 | // quick check and exit |
---|
543 | $this->get_accepted_content_type($this->atom_content_types); |
---|
544 | |
---|
545 | $parser = new AtomParser(); |
---|
546 | if(!$parser->parse()) { |
---|
547 | $this->bad_request(); |
---|
548 | } |
---|
549 | |
---|
550 | $parsed = $parser->entry; |
---|
551 | |
---|
552 | // check for not found |
---|
553 | global $entry; |
---|
554 | $this->set_current_entry($postID); |
---|
555 | $this->escape($entry); |
---|
556 | |
---|
557 | if(!current_user_can('edit_post', $entry['ID'])) |
---|
558 | $this->auth_required('Sorry, you do not have the right to edit this post.'); |
---|
559 | |
---|
560 | $publish = (isset($parsed->draft) && trim($parsed->draft) == 'yes') ? false : true; |
---|
561 | |
---|
562 | extract($entry); |
---|
563 | |
---|
564 | $post_title = $parsed->title; |
---|
565 | $post_content = $parsed->content; |
---|
566 | |
---|
567 | $postdata = compact('ID', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt'); |
---|
568 | |
---|
569 | $result = wp_update_post($postdata); |
---|
570 | |
---|
571 | if (!$result) { |
---|
572 | $this->internal_error('For some strange yet very annoying reason, this post could not be edited.'); |
---|
573 | } |
---|
574 | |
---|
575 | $this->ok(); |
---|
576 | } |
---|
577 | |
---|
578 | function delete_attachment($postID) { |
---|
579 | |
---|
580 | // check for not found |
---|
581 | global $entry; |
---|
582 | $this->set_current_entry($postID); |
---|
583 | |
---|
584 | if(!current_user_can('edit_post', $postID)) { |
---|
585 | $this->auth_required('Sorry, you do not have the right to delete this post.'); |
---|
586 | } |
---|
587 | |
---|
588 | $location = get_post_meta($entry['ID'], '_wp_attached_file', true); |
---|
589 | |
---|
590 | // delete file |
---|
591 | @unlink($location); |
---|
592 | |
---|
593 | // delete attachment |
---|
594 | $result = wp_delete_post($postID); |
---|
595 | |
---|
596 | if (!$result) { |
---|
597 | $this->internal_error('For some strange yet very annoying reason, this post could not be deleted.'); |
---|
598 | } |
---|
599 | |
---|
600 | $this->ok(); |
---|
601 | } |
---|
602 | |
---|
603 | function get_file($postID) { |
---|
604 | |
---|
605 | // check for not found |
---|
606 | global $entry; |
---|
607 | $this->set_current_entry($postID); |
---|
608 | |
---|
609 | // then whether user can edit the specific post |
---|
610 | if(!current_user_can('edit_post', $postID)) { |
---|
611 | $this->auth_required('Sorry, you do not have the right to edit this post.'); |
---|
612 | } |
---|
613 | |
---|
614 | $location = get_post_meta($entry['ID'], '_wp_attached_file', true); |
---|
615 | |
---|
616 | if(!isset($location)) |
---|
617 | $this->internal_error('Error ocurred while accessing post metadata for file location.'); |
---|
618 | |
---|
619 | header('Content-Type: ' . $entry['post_mime_type']); |
---|
620 | |
---|
621 | $fp = fopen($location, "rb"); |
---|
622 | while(!feof($fp)) { |
---|
623 | echo fread($fp, 4096); |
---|
624 | } |
---|
625 | fclose($fp); |
---|
626 | |
---|
627 | $this->ok(); |
---|
628 | } |
---|
629 | |
---|
630 | function put_file($postID) { |
---|
631 | |
---|
632 | $type = $this->get_accepted_content_type(); |
---|
633 | |
---|
634 | // first check if user can upload |
---|
635 | if(!current_user_can('upload_files')) |
---|
636 | $this->auth_required('You do not have permission to upload files.'); |
---|
637 | |
---|
638 | // check for not found |
---|
639 | global $entry; |
---|
640 | $this->set_current_entry($postID); |
---|
641 | |
---|
642 | // then whether user can edit the specific post |
---|
643 | if(!current_user_can('edit_post', $postID)) { |
---|
644 | $this->auth_required('Sorry, you do not have the right to edit this post.'); |
---|
645 | } |
---|
646 | |
---|
647 | $location = get_post_meta($entry['ID'], '_wp_attached_file', true); |
---|
648 | |
---|
649 | if(!isset($location)) |
---|
650 | $this->internal_error('Error ocurred while accessing post metadata for file location.'); |
---|
651 | |
---|
652 | $fp = fopen("php://input", "rb"); |
---|
653 | $localfp = fopen($location, "w+"); |
---|
654 | while(!feof($fp)) { |
---|
655 | fwrite($localfp,fread($fp, 4096)); |
---|
656 | } |
---|
657 | fclose($fp); |
---|
658 | fclose($localfp); |
---|
659 | |
---|
660 | $this->ok(); |
---|
661 | } |
---|
662 | |
---|
663 | function get_entries_url($page = NULL) { |
---|
664 | $url = get_bloginfo('url') . '/' . $this->script_name . '/' . $this->ENTRIES_PATH; |
---|
665 | if(isset($page) && is_int($page)) { |
---|
666 | $url .= "/$page"; |
---|
667 | } |
---|
668 | return $url; |
---|
669 | } |
---|
670 | |
---|
671 | function the_entries_url($page = NULL) { |
---|
672 | $url = $this->get_entries_url($page); |
---|
673 | echo $url; |
---|
674 | } |
---|
675 | |
---|
676 | function get_attachments_url($page = NULL) { |
---|
677 | $url = get_bloginfo('url') . '/' . $this->script_name . '/' . $this->MEDIA_PATH; |
---|
678 | if(isset($page) && is_int($page)) { |
---|
679 | $url .= "/$page"; |
---|
680 | } |
---|
681 | return $url; |
---|
682 | } |
---|
683 | |
---|
684 | function the_attachments_url($page = NULL) { |
---|
685 | $url = $this->get_attachments_url($page); |
---|
686 | echo $url; |
---|
687 | } |
---|
688 | |
---|
689 | |
---|
690 | function get_entry_url($postID = NULL) { |
---|
691 | if(!isset($postID)) { |
---|
692 | global $post; |
---|
693 | $postID = $post->ID; |
---|
694 | } |
---|
695 | |
---|
696 | $url = get_bloginfo('url') . '/' . $this->script_name . '/' . $this->ENTRY_PATH . "/$postID"; |
---|
697 | return $url; |
---|
698 | } |
---|
699 | |
---|
700 | function the_entry_url($postID = NULL) { |
---|
701 | $url = $this->get_entry_url($postID); |
---|
702 | echo $url; |
---|
703 | } |
---|
704 | |
---|
705 | function get_media_url($postID = NULL) { |
---|
706 | if(!isset($postID)) { |
---|
707 | global $post; |
---|
708 | $postID = $post->ID; |
---|
709 | } |
---|
710 | |
---|
711 | $url = get_bloginfo('url') . '/' . $this->script_name . '/' . $this->MEDIA_SINGLE_PATH ."/$postID"; |
---|
712 | return $url; |
---|
713 | } |
---|
714 | |
---|
715 | function the_media_url($postID = NULL) { |
---|
716 | $url = $this->get_media_url($postID); |
---|
717 | echo $url; |
---|
718 | } |
---|
719 | |
---|
720 | function set_current_entry($postID) { |
---|
721 | global $entry; |
---|
722 | |
---|
723 | if(!isset($postID)) { |
---|
724 | $this->bad_request(); |
---|
725 | } |
---|
726 | |
---|
727 | $entry = wp_get_single_post($postID,ARRAY_A); |
---|
728 | |
---|
729 | if(!isset($entry) || !isset($entry['ID'])) |
---|
730 | $this->not_found(); |
---|
731 | |
---|
732 | return; |
---|
733 | } |
---|
734 | |
---|
735 | function get_posts_count() { |
---|
736 | global $wpdb; |
---|
737 | return $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->posts WHERE post_date_gmt < '" . gmdate("Y-m-d H:i:s",time()) . "'"); |
---|
738 | } |
---|
739 | |
---|
740 | |
---|
741 | function get_posts($page = 1) { |
---|
742 | $feed = $this->get_feed($page); |
---|
743 | $this->output($feed, $do_output); |
---|
744 | } |
---|
745 | |
---|
746 | function get_feed($page = 1, $post_type = 'post') { |
---|
747 | log_app("get_feed", $post_type); |
---|
748 | ob_start(); |
---|
749 | |
---|
750 | if(!isset($page)) { |
---|
751 | $page = 1; |
---|
752 | } |
---|
753 | $page = (int) $page; |
---|
754 | |
---|
755 | $count = get_settings('posts_per_rss'); |
---|
756 | $query = "paged=$page&posts_per_page=$count&order=DESC"; |
---|
757 | if($post_type == 'attachment') { |
---|
758 | $query .= "&show_post_type=$post_type"; |
---|
759 | } |
---|
760 | query_posts($query); |
---|
761 | global $post; |
---|
762 | |
---|
763 | $feed_update = get_lastpostmodified('GMT') ? get_lastpostmodified('GMT') : current_time('mysql', 1); |
---|
764 | $total_count = $this->get_posts_count(); |
---|
765 | $last_page = (int) ceil($total_count / $count); |
---|
766 | $next_page = (($page + 1) > $last_page) ? NULL : $page + 1; |
---|
767 | $prev_page = ($page - 1) < 1 ? NULL : $page - 1; |
---|
768 | $last_page = ((int)$last_page <= 1) ? NULL : (int) $last_page; |
---|
769 | ?><feed xmlns="http://www.w3.org/2005/Atom" xmlns:app="http://purl.org/atom/app#" xml:lang="<?php echo get_option('rss_language'); ?>"> |
---|
770 | <id><?php $this->the_entries_url() ?></id> |
---|
771 | <updated><?php echo mysql2date('Y-m-d\TH:i:s\Z', $feed_update); ?></updated> |
---|
772 | <title type="text"><?php bloginfo_rss('name') ?></title> |
---|
773 | <subtitle type="text"><?php bloginfo_rss("description") ?></subtitle> |
---|
774 | <link rel="first" type="application/atom+xml" href="<?php $this->the_entries_url() ?>" /> |
---|
775 | <?php if(isset($prev_page)): ?> |
---|
776 | <link rel="previous" type="application/atom+xml" href="<?php $this->the_entries_url($prev_page) ?>" /> |
---|
777 | <?php endif; ?> |
---|
778 | <?php if(isset($next_page)): ?> |
---|
779 | <link rel="next" type="application/atom+xml" href="<?php $this->the_entries_url($next_page) ?>" /> |
---|
780 | <?php endif; ?> |
---|
781 | <link rel="last" type="application/atom+xml" href="<?php $this->the_entries_url($last_page) ?>" /> |
---|
782 | <link rel="self" type="application/atom+xml" href="<?php $this->the_entries_url() ?>" /> |
---|
783 | <rights type="text">Copyright <?php echo mysql2date('Y', get_lastpostdate('blog')); ?></rights> |
---|
784 | <generator uri="http://wordpress.org/" version="<?php bloginfo_rss('version'); ?>">WordPress APP</generator> |
---|
785 | <?php if ( have_posts() ) : while ( have_posts() ) : the_post(); ?> |
---|
786 | <entry> |
---|
787 | <id><?php the_guid(); ?></id> |
---|
788 | <title type="html"><![CDATA[<?php the_title_rss() ?>]]></title> |
---|
789 | <updated><?php echo get_post_modified_time('Y-m-d\TH:i:s\Z', true); ?></updated> |
---|
790 | <published><?php echo get_post_time('Y-m-d\TH:i:s\Z', true); ?></published> |
---|
791 | <app:control> |
---|
792 | <app:draft><?php echo ($post->post_status == 'draft' ? 'yes' : 'no') ?></app:draft> |
---|
793 | </app:control> |
---|
794 | <author> |
---|
795 | <name><?php the_author()?></name> |
---|
796 | <email><?php the_author_email()?></email> |
---|
797 | <?php if (get_the_author_url() && get_the_author_url() != 'http://') { ?> |
---|
798 | <uri><?php the_author_url()?></uri> |
---|
799 | <?php } ?> |
---|
800 | </author> |
---|
801 | <?php if($post->post_status == 'attachment') { ?> |
---|
802 | <link rel="edit" href="<?php $this->the_entry_url() ?>" /> |
---|
803 | <link rel="edit-media" href="<?php $this->the_media_url() ?>" /> |
---|
804 | <?php } else { ?> |
---|
805 | <link href="<?php permalink_single_rss() ?>" /> |
---|
806 | <link rel="edit" href="<?php $this->the_entry_url() ?>" /> |
---|
807 | <?php } ?> |
---|
808 | <?php foreach(get_the_category() as $category) { ?> |
---|
809 | <category scheme="<?php bloginfo_rss('home') ?>" term="<?php echo $category->cat_name?>" /> |
---|
810 | <?php } ?> |
---|
811 | <summary type="html"><![CDATA[<?php the_excerpt_rss(); ?>]]></summary> |
---|
812 | </entry> |
---|
813 | <?php |
---|
814 | endwhile; |
---|
815 | endif; |
---|
816 | ?></feed> |
---|
817 | <?php |
---|
818 | $feed = ob_get_contents(); |
---|
819 | ob_end_clean(); |
---|
820 | log_app("get_feed", $feed); |
---|
821 | return $feed; |
---|
822 | } |
---|
823 | |
---|
824 | function get_entry($postID, $post_type = 'post') { |
---|
825 | ob_start(); |
---|
826 | global $post; |
---|
827 | switch($post_type) { |
---|
828 | case 'post': |
---|
829 | $varname = 'p'; |
---|
830 | break; |
---|
831 | case 'attachment': |
---|
832 | $varname = 'attachment_id'; |
---|
833 | break; |
---|
834 | } |
---|
835 | query_posts($varname . '=' . $postID); |
---|
836 | if ( have_posts() ) : while ( have_posts() ) : the_post();?> |
---|
837 | <entry xmlns="http://www.w3.org/2005/Atom" xmlns:app="http://purl.org/atom/app#" xml:lang="<?php echo get_option('rss_language'); ?>"> |
---|
838 | <id><?php the_guid(); ?></id> |
---|
839 | <title type="html"><![CDATA[<?php the_title_rss() ?>]]></title> |
---|
840 | <updated><?php echo get_post_modified_time('Y-m-d\TH:i:s\Z', true); ?></updated> |
---|
841 | <published><?php echo get_post_time('Y-m-d\TH:i:s\Z', true); ?></published> |
---|
842 | <app:control> |
---|
843 | <app:draft><?php echo ($post->post_status == 'draft' ? 'yes' : 'no') ?></app:draft> |
---|
844 | </app:control> |
---|
845 | <author> |
---|
846 | <name><?php the_author()?></name> |
---|
847 | <email><?php the_author_email()?></email> |
---|
848 | <uri><?php the_author_url()?></uri> |
---|
849 | </author> |
---|
850 | <?php if($post->post_status == 'attachment') { ?> |
---|
851 | <link rel="edit" href="<?php $this->the_entry_url() ?>" /> |
---|
852 | <link rel="edit-media" href="<?php $this->the_media_url() ?>" /> |
---|
853 | <content type="<?php echo $post->post_mime_type ?>" src="<?php the_guid(); ?>"/> |
---|
854 | <?php } else { ?> |
---|
855 | <link href="<?php permalink_single_rss() ?>" /> |
---|
856 | <link rel="edit" href="<?php $this->the_entry_url() ?>" /> |
---|
857 | <?php } ?> |
---|
858 | <?php foreach(get_the_category() as $category) { ?> |
---|
859 | <category scheme="<?php bloginfo_rss('home') ?>" term="<?php echo $category->cat_name?>" /> |
---|
860 | <summary type="html"><![CDATA[<?php the_excerpt_rss(); ?>]]></summary> |
---|
861 | <?php } |
---|
862 | if ( strlen( $post->post_content ) ) : ?> |
---|
863 | <content type="html"><![CDATA[<?php echo get_the_content('', 0, '') ?>]]></content> |
---|
864 | <?php endif; ?> |
---|
865 | </entry> |
---|
866 | <?php |
---|
867 | $entry = ob_get_contents(); |
---|
868 | break; |
---|
869 | endwhile; |
---|
870 | else: |
---|
871 | $this->auth_required("Access Denied."); |
---|
872 | endif; |
---|
873 | ob_end_clean(); |
---|
874 | log_app("get_entry", $entry); |
---|
875 | return $entry; |
---|
876 | } |
---|
877 | |
---|
878 | function ok() { |
---|
879 | header('Content-Type: text/plain'); |
---|
880 | status_header('200'); |
---|
881 | exit; |
---|
882 | } |
---|
883 | |
---|
884 | function internal_error($msg = 'Internal Server Error') { |
---|
885 | header('Content-Type: text/plain'); |
---|
886 | status_header('500'); |
---|
887 | echo $msg; |
---|
888 | exit; |
---|
889 | } |
---|
890 | |
---|
891 | function bad_request() { |
---|
892 | header('Content-Type: text/plain'); |
---|
893 | status_header('400'); |
---|
894 | exit; |
---|
895 | } |
---|
896 | |
---|
897 | function length_required() { |
---|
898 | header("HTTP/1.1 411 Length Required"); |
---|
899 | header('Content-Type: text/plain'); |
---|
900 | status_header('411'); |
---|
901 | exit; |
---|
902 | } |
---|
903 | |
---|
904 | function invalid_media() { |
---|
905 | header("HTTP/1.1 415 Unsupported Media Type"); |
---|
906 | header('Content-Type: text/plain'); |
---|
907 | exit; |
---|
908 | } |
---|
909 | |
---|
910 | function not_found() { |
---|
911 | header('Content-Type: text/plain'); |
---|
912 | status_header('404'); |
---|
913 | exit; |
---|
914 | } |
---|
915 | |
---|
916 | function not_allowed($allow) { |
---|
917 | header('Allow: ' . join(',', $allow)); |
---|
918 | status_header('405'); |
---|
919 | exit; |
---|
920 | } |
---|
921 | |
---|
922 | function client_error($msg = 'Client Error') { |
---|
923 | status_header('400'); |
---|
924 | header('Content-Type: text/plain'); |
---|
925 | header('Status: ' . $msg); |
---|
926 | echo $msg; |
---|
927 | exit; |
---|
928 | } |
---|
929 | |
---|
930 | function created($post_ID, $content, $post_type = 'post') { |
---|
931 | log_app('created()::$post_ID',"$post_ID"); |
---|
932 | $edit = $this->get_entry_url($post_ID); |
---|
933 | switch($post_type) { |
---|
934 | case 'post': |
---|
935 | $ctloc = $this->get_entry_url($post_ID); |
---|
936 | break; |
---|
937 | case 'attachment': |
---|
938 | break; |
---|
939 | } |
---|
940 | header('Content-Type: application/atom+xml'); |
---|
941 | if(isset($ctloc)) |
---|
942 | header('Content-Location: ' . $ctloc); |
---|
943 | header('Location: ' . $edit); |
---|
944 | status_header('201'); |
---|
945 | echo $content; |
---|
946 | exit; |
---|
947 | } |
---|
948 | |
---|
949 | function auth_required($msg) { |
---|
950 | nocache_headers(); |
---|
951 | header('WWW-Authenticate: Basic realm="WordPress Atom Protocol"'); |
---|
952 | header("HTTP/1.1 401 $msg"); |
---|
953 | header('Status: ' . $msg); |
---|
954 | header('Content-Type: text/plain'); |
---|
955 | echo $msg; |
---|
956 | exit; |
---|
957 | } |
---|
958 | |
---|
959 | function output($xml, $ctype = "application/atom+xml") { |
---|
960 | status_header('200'); |
---|
961 | $xml = '<?xml version="1.0" encoding="' . get_settings('blog_charset') . '"?>'."\n".$xml; |
---|
962 | header('Connection: close'); |
---|
963 | header('Content-Length: '. strlen($xml)); |
---|
964 | header('Content-Type: ' . $ctype); |
---|
965 | header('Content-Disposition: attachment; filename=atom.xml'); |
---|
966 | header('Date: '. date('r')); |
---|
967 | if($this->do_output) |
---|
968 | echo $xml; |
---|
969 | exit; |
---|
970 | } |
---|
971 | |
---|
972 | function escape(&$array) { |
---|
973 | global $wpdb; |
---|
974 | |
---|
975 | foreach ($array as $k => $v) { |
---|
976 | if (is_array($v)) { |
---|
977 | $this->escape($array[$k]); |
---|
978 | } else if (is_object($v)) { |
---|
979 | //skip |
---|
980 | } else { |
---|
981 | $array[$k] = $wpdb->escape($v); |
---|
982 | } |
---|
983 | } |
---|
984 | } |
---|
985 | |
---|
986 | |
---|
987 | /* |
---|
988 | * Access credential through various methods and perform login |
---|
989 | */ |
---|
990 | function authenticate() { |
---|
991 | $login_data = array(); |
---|
992 | $already_md5 = false; |
---|
993 | |
---|
994 | log_app("authenticate()",print_r($_ENV, true)); |
---|
995 | |
---|
996 | // if using mod_rewrite/ENV hack |
---|
997 | // http://www.besthostratings.com/articles/http-auth-php-cgi.html |
---|
998 | if(isset($_SERVER['HTTP_AUTHORIZATION'])) { |
---|
999 | list($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']) = |
---|
1000 | explode(':', base64_decode(substr($_SERVER['HTTP_AUTHORIZATION'], 6))); |
---|
1001 | } |
---|
1002 | |
---|
1003 | // If Basic Auth is working... |
---|
1004 | if(isset($_SERVER['PHP_AUTH_USER']) && isset($_SERVER['PHP_AUTH_PW'])) { |
---|
1005 | $login_data = array('login' => $_SERVER['PHP_AUTH_USER'], 'password' => $_SERVER['PHP_AUTH_PW']); |
---|
1006 | } else { |
---|
1007 | // else, do cookie-based authentication |
---|
1008 | if (function_exists('wp_get_cookie_login')) { |
---|
1009 | $login_data = wp_get_cookie_login(); |
---|
1010 | $already_md5 = true; |
---|
1011 | } |
---|
1012 | } |
---|
1013 | |
---|
1014 | // call wp_login and set current user |
---|
1015 | if (!empty($login_data) && wp_login($login_data['login'], $login_data['password'], $already_md5)) { |
---|
1016 | $current_user = new WP_User(0, $login_data['login']); |
---|
1017 | wp_set_current_user($current_user->ID); |
---|
1018 | } |
---|
1019 | } |
---|
1020 | |
---|
1021 | function get_accepted_content_type($types = NULL) { |
---|
1022 | |
---|
1023 | if(!isset($types)) { |
---|
1024 | $types = $this->media_content_types; |
---|
1025 | } |
---|
1026 | |
---|
1027 | if(!isset($_SERVER['CONTENT_LENGTH']) || !isset($_SERVER['CONTENT_TYPE'])) { |
---|
1028 | $this->length_required(); |
---|
1029 | } |
---|
1030 | |
---|
1031 | $type = $_SERVER['CONTENT_TYPE']; |
---|
1032 | list($type,$subtype) = explode('/',$type); |
---|
1033 | list($subtype) = explode(";",$subtype); // strip MIME parameters |
---|
1034 | log_app("get_accepted_content_type", "type=$type, subtype=$subtype"); |
---|
1035 | |
---|
1036 | foreach($types as $t) { |
---|
1037 | list($acceptedType,$acceptedSubtype) = explode('/',$t); |
---|
1038 | if($acceptedType == '*' || $acceptedType == $type) { |
---|
1039 | if($acceptedSubtype == '*' || $acceptedSubtype == $subtype) |
---|
1040 | return $type; |
---|
1041 | } |
---|
1042 | } |
---|
1043 | |
---|
1044 | $this->invalid_media(); |
---|
1045 | } |
---|
1046 | |
---|
1047 | |
---|
1048 | |
---|
1049 | function process_conditionals() { |
---|
1050 | |
---|
1051 | if(empty($this->params)) return; |
---|
1052 | if($_SERVER['REQUEST_METHOD'] == 'DELETE') return; |
---|
1053 | |
---|
1054 | switch($this->params[0]) { |
---|
1055 | case $this->ENTRY_PATH: |
---|
1056 | global $post; |
---|
1057 | $post = wp_get_single_post($this->params[1]); |
---|
1058 | $wp_last_modified = get_post_modified_time('D, d M Y H:i:s', true); |
---|
1059 | $post = NULL; |
---|
1060 | break; |
---|
1061 | case $this->ENTRIES_PATH: |
---|
1062 | $wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastpostmodified('GMT'), 0).' GMT'; |
---|
1063 | break; |
---|
1064 | default: |
---|
1065 | return; |
---|
1066 | } |
---|
1067 | $wp_etag = md5($wp_last_modified); |
---|
1068 | @header("Last-Modified: $wp_last_modified"); |
---|
1069 | @header("ETag: $wp_etag"); |
---|
1070 | |
---|
1071 | // Support for Conditional GET |
---|
1072 | if (isset($_SERVER['HTTP_IF_NONE_MATCH'])) |
---|
1073 | $client_etag = stripslashes($_SERVER['HTTP_IF_NONE_MATCH']); |
---|
1074 | else |
---|
1075 | $client_etag = false; |
---|
1076 | |
---|
1077 | $client_last_modified = trim( $_SERVER['HTTP_IF_MODIFIED_SINCE']); |
---|
1078 | // If string is empty, return 0. If not, attempt to parse into a timestamp |
---|
1079 | $client_modified_timestamp = $client_last_modified ? strtotime($client_last_modified) : 0; |
---|
1080 | |
---|
1081 | // Make a timestamp for our most recent modification... |
---|
1082 | $wp_modified_timestamp = strtotime($wp_last_modified); |
---|
1083 | |
---|
1084 | if ( ($client_last_modified && $client_etag) ? |
---|
1085 | (($client_modified_timestamp >= $wp_modified_timestamp) && ($client_etag == $wp_etag)) : |
---|
1086 | (($client_modified_timestamp >= $wp_modified_timestamp) || ($client_etag == $wp_etag)) ) { |
---|
1087 | status_header( 304 ); |
---|
1088 | exit; |
---|
1089 | } |
---|
1090 | } |
---|
1091 | |
---|
1092 | |
---|
1093 | } |
---|
1094 | |
---|
1095 | $server = new AtomServer(); |
---|
1096 | $server->handle_request(); |
---|
1097 | |
---|
1098 | ?> |
---|