Registry.php

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<?php

class sspmod_oauth_Registry {


        protected function getStandardField($request, &$entry, $key) {
                if (array_key_exists('field_' . $key, $request)) {
                        $entry[$key] = $request['field_' . $key];
                } else {
                        if (isset($entry[$key])) unset($entry[$key]);
                }
        }

        public function formToMeta($request, $entry = array(), $override = NULL) {
                $this->getStandardField($request, $entry, 'name');
                $this->getStandardField($request, $entry, 'description');
                $this->getStandardField($request, $entry, 'key');
                $this->getStandardField($request, $entry, 'secret');
                $this->getStandardField($request, $entry, 'RSAcertificate');
                $this->getStandardField($request, $entry, 'callback_url');

                if ($override) {
                        foreach($override AS $key => $value) {
                                $entry[$key] = $value;
                        }
                }
                
                return $entry;
        }

        protected function requireStandardField($request, $key) {
                if (!array_key_exists('field_' . $key, $request))
                        throw new Exception('Required field [' . $key . '] was missing.');
                if (empty($request['field_' . $key]))
                        throw new Exception('Required field [' . $key . '] was empty.');
        }

        public function checkForm($request) {
                $this->requireStandardField($request, 'name');
                $this->requireStandardField($request, 'description');
                $this->requireStandardField($request, 'key');
        }
        

        protected function header($name) {
                return '<tr ><td>&nbsp;</td><td class="header">' . $name . '</td></tr>';
                
        }
        
        protected function readonlyDateField($metadata, $key, $name) {
                $value = '<span style="color: #aaa">Not set</a>';
                if (array_key_exists($key, $metadata))
                        $value = date('j. F Y, G:i', $metadata[$key]);
                return '<tr>
                        <td class="name">' . $name . '</td>
                        <td class="data">' . $value . '</td></tr>';

        }
        
        protected function readonlyField($metadata, $key, $name) {
                $value = '';
                if (array_key_exists($key, $metadata))
                        $value = $metadata[$key];
                return '<tr>
                        <td class="name">' . $name . '</td>
                        <td class="data">' . htmlspecialchars($value) . '</td></tr>';

        }
        
        protected function hiddenField($key, $value) {
                return '<input type="hidden" name="' . $key . '" value="' . htmlspecialchars($value) . '" />';
        }
        
        protected function flattenLanguageField(&$metadata, $key) {
                if (array_key_exists($key, $metadata)) {
                        if (is_array($metadata[$key])) {
                                if (isset($metadata[$key]['en'])) {
                                        $metadata[$key] = $metadata[$key]['en'];
                                } else {
                                        unset($metadata[$key]);
                                }
                        }
                }
        }
        
        protected function standardField($metadata, $key, $name, $textarea = FALSE) {
                $value = '';
                if (array_key_exists($key, $metadata)) {
                        $value = htmlspecialchars($metadata[$key]);
                }
                
                if ($textarea) {
                        return '<tr><td class="name">' . $name . '</td><td class="data">
                        <textarea name="field_' . $key . '" rows="5" cols="50">' . $value . '</textarea></td></tr>';
                        
                } else {
                        return '<tr><td class="name">' . $name . '</td><td class="data">
                        <input type="text" size="60" name="field_' . $key . '" value="' . $value . '" /></td></tr>';
                        
                }
        }

        public function metaToForm($metadata) {
                return '<form action="registry.edit.php" method="post">' .
                        '<div id="tabdiv">' .
                        '<ul>' .
                        '<li><a href="#basic">Name and descrition</a></li>' .
                        '</ul>' .
                        '<div id="basic"><table class="formtable">' .
                                $this->standardField($metadata, 'name', 'Name of client') .
                                $this->standardField($metadata, 'description', 'Description of client', TRUE) .
                                $this->readonlyField($metadata, 'owner', 'Owner') .
                                $this->standardField($metadata, 'key', 'Consumer Key') .
                                $this->readonlyField($metadata, 'secret', 'Consumer Secret<br/>(Used for HMAC_SHA1 signatures)') .
                                $this->standardField($metadata, 'RSAcertificate', 'RSA certificate (PEM)<br/>(Used for RSA_SHA1 signatures)', TRUE) .
                                $this->standardField($metadata, 'callback_url', 'Static/enforcing callback-url') .
                                $this->hiddenField('field_secret', $metadata['secret']) .

                        '</table></div>' .
                        '</div>' .
                        '<input type="submit" name="submit" value="Save" style="margin-top: 5px" />' .
                '</form>';
        }
        
}