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Diffstat (limited to 'program/include/rcube_shared.inc')
| -rw-r--r-- | program/include/rcube_shared.inc | 1417 |
1 files changed, 1417 insertions, 0 deletions
diff --git a/program/include/rcube_shared.inc b/program/include/rcube_shared.inc new file mode 100644 index 000000000..2c0b0517b --- /dev/null +++ b/program/include/rcube_shared.inc @@ -0,0 +1,1417 @@ +<?php + +/* + +-----------------------------------------------------------------------+ + | rcube_shared.inc | + | | + | This file is part of the RoundCube PHP suite | + | Copyright (C) 2005, RoundCube Dev. - Switzerland | + | All rights reserved. | + | | + | CONTENTS: | + | Shared functions and classes used in PHP projects | + | | + +-----------------------------------------------------------------------+ + | Author: Thomas Bruederli <roundcube@gmail.com> | + +-----------------------------------------------------------------------+ + + $Id$ + +*/ + + +// ********* round cube schared classes ********* + +class rcube_html_page + { + var $css; + + var $scripts_path = ''; + var $script_files = array(); + var $scripts = array(); + + var $script_tag_file = "<script type=\"text/javascript\" src=\"%s%s\"></script>\n"; + var $script_tag = "<script type=\"text/javascript\">\n<!--\n%s\n\n//-->\n</script>\n"; + + var $title = ''; + var $header = ''; + var $footer = ''; + var $body = ''; + var $body_attrib = array(); + var $meta_tags = array(); + + + // PHP 5 constructor + function __construct() + { + $this->css = new rcube_css(); + } + + // PHP 4 compatibility + function rcube_html_page() + { + $this->__construct(); + } + + + function include_script($file, $position='head') + { + static $sa_files = array(); + + if (in_array($file, $sa_files)) + return; + + if (!is_array($this->script_files[$position])) + $this->script_files[$position] = array(); + + $this->script_files[$position][] = $file; + } + + + function add_script($script, $position='head') + { + if (!isset($this->scripts[$position])) + $this->scripts[$position] = ''; + + $this->scripts[$position] .= "\n$script"; + } + + + function set_title() + { + + } + + + function write($templ='', $base_path='') + { + $output = trim($templ); + + // set default page title + if (!strlen($this->title)) + $this->title = 'RoundCube|Mail'; + + // replace specialchars in content + $__page_title = rep_specialchars_output($this->title, 'html', 'show', FALSE); + $__page_header = $__page_body = $__page_footer = ''; + + + // definition of the code to be placed in the document header and footer + if (is_array($this->script_files['head'])) + foreach ($this->script_files['head'] as $file) + $__page_header .= sprintf($this->script_tag_file, $this->scripts_path, $file); + + if (strlen($this->scripts['head'])) + $__page_header .= sprintf($this->script_tag, $this->scripts['head']); + + if (is_array($this->script_files['foot'])) + foreach ($this->script_files['foot'] as $file) + $__page_footer .= sprintf($this->script_tag_file, $this->scripts_path, $file); + + if (strlen($this->scripts['foot'])) + $__page_footer .= sprintf($this->script_tag, $this->scripts['foot']); + + + $__page_header .= $this->css->show(); + + + // find page header + if($hpos = strpos(strtolower($output), '</head>')) + $__page_header .= "\n"; + else + { + if (!is_numeric($hpos)) + $hpos = strpos(strtolower($output), '<body'); + if (!is_numeric($hpos) && ($hpos = strpos(strtolower($output), '<html'))) + { + while($output[$hpos]!='>') + $hpos++; + $hpos++; + } + + $__page_header = "<head>\n<title>$__page_title</title>\n$__page_header\n</head>\n"; + } + + // add page hader + if($hpos) + $output = substr($output,0,$hpos) . $__page_header . substr($output,$hpos,strlen($output)); + else + $output = $__page_header . $output; + + + // find page body + if($bpos = strpos(strtolower($output), '<body')) + { + while($output[$bpos]!='>') $bpos++; + $bpos++; + } + else + $bpos = strpos(strtolower($output), '</head>')+7; + + // add page body + if($bpos && $__page_body) + $output = substr($output,0,$bpos) . "\n$__page_body\n" . substr($output,$bpos,strlen($output)); + + + // find and add page footer + if(($fpos = strpos(strtolower($output), '</body>')) || ($fpos = strpos(strtolower($output), '</html>'))) + $output = substr($output,0,$fpos) . "$__page_footer\n" . substr($output,$fpos,strlen($output)); + else + $output .= "\n$__page_footer"; + + + // reset those global vars + $__page_header = $__page_footer = ''; + + + // correct absolute pathes in images and other tags + $output = preg_replace('/(src|href|background)=(["\']?)(\/[a-z0-9_\-]+)/Ui', "\\1=\\2$base_path\\3", $output); + + print $output; + } + + + function _parse($templ) + { + + } + } + + + + +class rcube_css + { + var $css_data = array(); + + var $css_groups = array(); + + var $include_files = array(); + + var $grouped_output = TRUE; + + var $content_type = 'text/css'; + + var $base_path = ''; + + var $indent_chars = "\t"; + + + // add or overwrite a css definition + // either pass porperty and value as separate arguments + // or provide an associative array as second argument + function set_style($selector, $property, $value='') + { + $a_elements = $this->_parse_selectors($selector); + foreach ($a_elements as $element) + { + if (!is_array($property)) + $property = array($property => $value); + + foreach ($property as $name => $value) + $this->css_data[$element][strtolower($name)] = $value; + } + + // clear goups array + $this->css_groups = array(); + } + + + // unset a style property + function remove_style($selector, $property) + { + if (!is_array($property)) + $property = array($property); + + foreach ($property as $key) + unset($this->css_data[$selector][strtolower($key)]); + + // clear goups array + $this->css_groups = array(); + } + + + // define base path for external css files + function set_basepath($path) + { + $this->base_path = preg_replace('/\/$/', '', $path); + } + + + // enable/disable grouped output + function set_grouped_output($grouped) + { + $this->grouped_output = $grouped; + } + + + // add a css file as external source + function include_file($filename, $media='') + { + // include multiple files + if (is_array($filename)) + { + foreach ($filename as $file) + $this->include_file($file, $media); + } + // add single file + else if (!in_array($filename, $this->include_files)) + $this->include_files[] = array('file' => $filename, + 'media' => $media); + } + + + // parse css code + function import_string($str) + { + $ret = FALSE; + if (strlen($str)) + $ret = $this->_parse($str); + + return $ret; + } + + + // open and parse a css file + function import_file($file) + { + $ret = FALSE; + + if (!is_file($file)) + return $ret; + + // for php version >= 4.3.0 + if (function_exists('file_get_contents')) + $ret = $this->_parse(file_get_contents($file)); + + // for order php versions + else if ($fp = fopen($file, 'r')) + { + $ret = $this->_parse(fread($fp, filesize($file))); + fclose($fp); + } + + return $ret; + } + + + // copy all properties inherited from superior styles to a specific selector + function copy_inherited_styles($selector) + { + // get inherited props from body and tag/class selectors + $css_props = $this->_get_inherited_styles($selector); + + // write modified props back and clear goups array + if (sizeof($css_props)) + { + $this->css_data[$selector] = $css_props; + $this->css_groups = array(); + } + } + + + // return css definition for embedding in HTML + function show() + { + $out = ''; + + // include external css files + if (sizeof($this->include_files)) + foreach ($this->include_files as $file_arr) + $out .= sprintf('<link rel="stylesheet" type="%s" href="%s"%s>'."\n", + $this->content_type, + $this->_get_file_path($file_arr['file']), + $file_arr['media'] ? ' media="'.$file_arr['media'].'"' : ''); + + + // compose css string + if (sizeof($this->css_data)) + $out .= sprintf("<style type=\"%s\">\n<!--\n\n%s-->\n</style>", + $this->content_type, + $this->to_string()); + + + return $out; + } + + + // return valid css code of the current styles grid + function to_string($selector=NULL) + { + // return code for a single selector + if ($selector) + { + $indent_str = $this->indent_chars; + $this->indent_chars = ''; + + $prop_arr = $this->to_array($selector); + $out = $this->_style2string($prop_arr, TRUE); + + $this->indent_chars = $indent_str; + } + + // compose css code for complete data grid + else + { + $out = ''; + $css_data = $this->to_array(); + + foreach ($css_data as $key => $prop_arr) + $out .= sprintf("%s {\n%s}\n\n", + $key, + $this->_style2string($prop_arr, TRUE)); + } + + return $out; + } + + + // return a single-line string of a css definition + function to_inline($selector) + { + if ($this->css_data[$selector]) + return str_replace('"', '\\"', $this->_style2string($this->css_data[$selector], FALSE)); + } + + + // return an associative array with selector(s) as key and styles array as value + function to_array($selector=NULL) + { + if (!$selector && $this->grouped_output) + { + // build groups if desired + if (!sizeof($this->css_groups)) + $this->_build_groups(); + + // modify group array to get an array(selector => properties) + $out_arr = array(); + foreach ($this->css_groups as $group_arr) + { + $key = join(', ', $group_arr['selectors']); + $out_arr[$key] = $group_arr['properties']; + } + } + else + $out_arr = $this->css_data; + + return $selector ? $out_arr[$selector] : $out_arr; + } + + + // create a css file + function to_file($filepath) + { + if ($fp = fopen($filepath, 'w')) + { + fwrite($fp, $this->to_string()); + fclose($fp); + return TRUE; + } + + return FALSE; + } + + + // alias method for import_string() [DEPRECATED] + function add($str) + { + $this->import_string($str); + } + + // alias method for to_string() [DEPRECATED] + function get() + { + return $this->to_string(); + } + + + + // ******** private methods ******** + + + // parse a string and add styles to internal data grid + function _parse($str) + { + // remove comments + $str = preg_replace("/\/\*(.*)?\*\//Usi", '', $str); + + // parse style definitions + if (!preg_match_all ('/([a-z0-9\.#*:_][a-z0-9\.\-_#:*,\[\]\(\)\s\"\'\+\|>~=]+)\s*\{([^\}]*)\}/ims', $str, $matches, PREG_SET_ORDER)) + return FALSE; + + + foreach ($matches as $match_arr) + { + // split selectors into array + $a_keys = $this->_parse_selectors(trim($match_arr[1])); + + // parse each property of an element + $codes = explode(";", trim($match_arr[2])); + foreach ($codes as $code) + { + if (strlen(trim($code))>0) + { + // find the property and the value + if (!($sep = strpos($code, ':'))) + continue; + + $property = strtolower(trim(substr($code, 0, $sep))); + $value = trim(substr($code, $sep+1)); + + // add the property to the object array + foreach ($a_keys as $key) + $this->css_data[$key][$property] = $value; + } + } + } + + // clear goups array + if (sizeof($matches)) + { + $this->css_groups = array(); + return TRUE; + } + + return FALSE; + } + + + // split selector group + function _parse_selectors($selector) + { + // trim selector and remove multiple spaces + $selector = preg_replace('/\s+/', ' ', trim($selector)); + + if (strpos($selector, ',')) + return preg_split('/[\t\s\n\r]*,[\t\s\n\r]*/mi', $selector); + else + return array($selector); + } + + + // compare identical styles and make groups + function _build_groups() + { + // clear group array + $this->css_groups = array(); + $string_group_map = array(); + + // bulild css string for each selector and check if the same is already defines + foreach ($this->css_data as $selector => $prop_arr) + { + // make shure to compare props in the same order + ksort($prop_arr); + $compare_str = preg_replace('/[\s\t]+/', '', $this->_style2string($prop_arr, FALSE)); + + // add selector to extisting group + if (isset($string_group_map[$compare_str])) + { + $group_index = $string_group_map[$compare_str]; + $this->css_groups[$group_index]['selectors'][] = $selector; + } + + // create new group + else + { + $i = sizeof($this->css_groups); + $string_group_map[$compare_str] = $i; + $this->css_groups[$i] = array('selectors' => array($selector), + 'properties' => $this->css_data[$selector]); + } + } + } + + + // convert the prop array into a valid css definition + function _style2string($prop_arr, $multiline=TRUE) + { + $out = ''; + $delm = $multiline ? "\n" : ''; + $spacer = $multiline ? ' ' : ''; + $indent = $multiline ? $this->indent_chars : ''; + + if (is_array($prop_arr)) + foreach ($prop_arr as $prop => $value) + if (strlen($value)) + $out .= sprintf('%s%s:%s%s;%s', + $indent, + $prop, + $spacer, + $value, + $delm); + + return $out; + } + + + // copy all properties inherited from superior styles to a specific selector + function _get_inherited_styles($selector, $loop=FALSE) + { + $css_props = $this->css_data[$selector] ? $this->css_data[$selector] : array(); + + // get styles from tag selector + if (preg_match('/(([a-z0-9]*)(\.[^\s]+)?)$/i', $selector, $regs)) + { + $sel = $regs[1]; + $tagname = $regs[2]; + $class = $regs[3]; + + if ($sel && is_array($this->css_data[$sel])) + $css_props = $this->_merge_styles($this->css_data[$sel], $css_props); + + if ($class && is_array($this->css_data[$class])) + $css_props = $this->_merge_styles($this->css_data[$class], $css_props); + + if ($tagname && is_array($this->css_data[$tagname])) + $css_props = $this->_merge_styles($this->css_data[$tagname], $css_props); + } + + // analyse inheritance + if (strpos($selector, ' ')) + { + $a_hier = split(' ', $selector); + if (sizeof($a_hier)>1) + { + array_pop($a_hier); + $base_selector = join(' ', $a_hier); + + // call this method recursively + $new_props = $this->_get_inherited_styles($base_selector, TRUE); + $css_props = $this->_merge_styles($new_props, $css_props); + } + } + + // get body style + if (!$loop && is_array($this->css_data['body'])) + $css_props = $this->_merge_styles($this->css_data['body'], $css_props); + + return $css_props; + } + + + // merge two arrays with style properties together like a browser would do + function _merge_styles($one, $two) + { + // these properties are additive + foreach (array('text-decoration') as $prop) + if ($one[$prop] && $two[$prop]) + { + // if value contains 'none' it's ignored + if (strstr($one[$prop], 'none')) + continue; + else if (strstr($two[$prop], 'none')) + unset($two[$prop]); + + $a_values_one = split(' ', $one[$prop]); + $a_values_two = split(' ', $two[$prop]); + $two[$prop] = join(' ', array_unique(array_merge($a_values_one, $a_values_two))); + } + + return array_merge($one, $two); + } + + + // resolve file path + function _get_file_path($file) + { + if (!$this->base_path && $GLOBALS['CSS_PATH']) + $this->set_basepath($GLOBALS['CSS_PATH']); + + $base = ($file{0}=='/' || $file{0}=='.' || substr($file, 0, 7)=='http://') ? '' : + ($this->base_path ? $this->base_path.'/' : ''); + return $base.$file; + } + + } + + + +class base_form_element + { + var $uppertags = FALSE; + var $upperattribs = FALSE; + var $upperprops = FALSE; + var $newline = FALSE; + + var $attrib = array(); + + + // create string with attributes + function create_attrib_string($tagname='') + { + if (!sizeof($this->attrib)) + return ''; + + if ($this->name!='') + $this->attrib['name'] = $this->name; + + $attrib_arr = array(); + foreach ($this->attrib as $key => $value) + { + // don't output some internally used attributes + if (in_array($key, array('form', 'quicksearch'))) + continue; + + // skip if size if not numeric + if (($key=='size' && !is_numeric($value))) + continue; + + // skip empty eventhandlers + if ((strpos($key,'on')===0 && $value=='')) + continue; + + // encode textarea content + if ($key=='value') + $value = rep_specialchars_output($value, 'html', 'replace', FALSE); + + // attributes with no value + if (in_array($key, array('checked', 'multiple', 'disabled', 'selected'))) + { + if ($value) + $attrib_arr[] = $key; + } + // don't convert size of value attribute + else if ($key=='value') + $attrib_arr[] = sprintf('%s="%s"', $this->_conv_case($key, 'attrib'), $value, 'value'); + + // regular tag attributes + else + $attrib_arr[] = sprintf('%s="%s"', $this->_conv_case($key, 'attrib'), $this->_conv_case($value, 'value')); + } + + return sizeof($attrib_arr) ? ' '.implode(' ', $attrib_arr) : ''; + } + + + // convert tags and attributes to upper-/lowercase + // $type can either be "tag" or "attrib" + function _conv_case($str, $type='attrib') + { + if ($type == 'tag') + return $this->uppertags ? strtoupper($str) : strtolower($str); + else if ($type == 'attrib') + return $this->upperattribs ? strtoupper($str) : strtolower($str); + else if ($type == 'value') + return $this->upperprops ? strtoupper($str) : strtolower($str); + } + } + + +class input_field extends base_form_element + { + var $type = 'text'; + + // PHP 5 constructor + function __construct($attrib=NULL) + { + if (is_array($attrib)) + $this->attrib = $attrib; + + if ($attrib['type']) + $this->type = $attrib['type']; + + if ($attrib['newline']) + $this->newline = TRUE; + } + + // PHP 4 compatibility + function input_field($attrib=array()) + { + $this->__construct($attrib); + } + + // compose input tag + function show($value=NULL, $attrib=NULL) + { + // overwrite object attributes + if (is_array($attrib)) + $this->attrib = array_merge($this->attrib, $attrib); + + // set value attribute + if ($value!==NULL) + $this->attrib['value'] = $value; + + $this->attrib['type'] = $this->type; + + // return final tag + return sprintf('<%s%s />%s', + $this->_conv_case('input', 'tag'), + $this->create_attrib_string(), + ($this->newline ? "\n" : "")); + } + } + + +class textfield extends input_field + { + var $type = 'text'; + } + +class passwordfield extends input_field + { + var $type = 'password'; + } + +class radiobutton extends input_field + { + var $type = 'radio'; + } + +class checkbox extends input_field + { + var $type = 'checkbox'; + + + function show($value='', $attrib=NULL) + { + // overwrite object attributes + if (is_array($attrib)) + $this->attrib = array_merge($this->attrib, $attrib); + + $this->attrib['type'] = $this->type; + + if ($value && (string)$value==(string)$this->attrib['value']) + $this->attrib['checked'] = TRUE; + else + $this->attrib['checked'] = FALSE; + + // return final tag + return sprintf('<%s%s />%s', + $this->_conv_case('input', 'tag'), + $this->create_attrib_string(), + ($this->newline ? "\n" : "")); + } + } + + +class textarea extends base_form_element + { + // PHP 5 constructor + function __construct($attrib=array()) + { + $this->attrib = $attrib; + + if ($attrib['newline']) + $this->newline = TRUE; + } + + // PHP 4 compatibility + function textarea($attrib=array()) + { + $this->__construct($attrib); + } + + function show($value='', $attrib=NULL) + { + // overwrite object attributes + if (is_array($attrib)) + $this->attrib = array_merge($this->attrib, $attrib); + + // take value attribute as content + if ($value=='') + $value = $this->attrib['value']; + + // make shure we don't print the value attribute + if (isset($this->attrib['value'])) + unset($this->attrib['value']); + + if (strlen($value)) + $value = rep_specialchars_output($value, 'html', 'replace', FALSE); + + // return final tag + return sprintf('<%s%s>%s</%s>%s', + $this->_conv_case('textarea', 'tag'), + $this->create_attrib_string(), + $value, + $this->_conv_case('textarea', 'tag'), + ($this->newline ? "\n" : "")); + } + } + + +class hiddenfield extends base_form_element + { + var $fields_arr = array(); + var $newline = TRUE; + + // PHP 5 constructor + function __construct($attrib=NULL) + { + if (is_array($attrib)) + $this->add($attrib); + } + + // PHP 4 compatibility + function hiddenfield($attrib=NULL) + { + $this->__construct($attrib); + } + + // add a hidden field to this instance + function add($attrib) + { + $this->fields_arr[] = $attrib; + } + + + function show() + { + $out = ''; + foreach ($this->fields_arr as $attrib) + { + $this->attrib = $attrib; + $this->attrib['type'] = 'hidden'; + + $out .= sprintf('<%s%s />%s', + $this->_conv_case('input', 'tag'), + $this->create_attrib_string(), + ($this->newline ? "\n" : "")); + } + + return $out; + } + } + + +class select extends base_form_element + { + var $options = array(); + + /* + syntax: + ------- + // create instance. arguments are used to set attributes of select-tag + $select = new select(array('name' => 'fieldname')); + + // add one option + $select->add('Switzerland', 'CH'); + + // add multiple options + $select->add(array('Switzerland', 'Germany'), + array('CH', 'DE')); + + // add 10 blank options with 50 chars + // used to fill with javascript (necessary for 4.x browsers) + $select->add_blank(10, 50); + + // generate pulldown with selection 'Switzerland' and return html-code + // as second argument the same attributes available to instanciate can be used + print $select->show('CH'); + */ + + // PHP 5 constructor + function __construct($attrib=NULL) + { + if (is_array($attrib)) + $this->attrib = $attrib; + + if ($attrib['newline']) + $this->newline = TRUE; + } + + // PHP 4 compatibility + function select($attrib=NULL) + { + $this->__construct($attrib); + } + + + function add($names, $values=NULL) + { + if (is_array($names)) + { + foreach ($names as $i => $text) + $this->options[] = array('text' => $text, 'value' => (string)$values[$i]); + } + else + { + $this->options[] = array('text' => $names, 'value' => (string)$values); + } + } + + + function add_blank($nr, $width=0) + { + $text = $width ? str_repeat(' ', $width) : ''; + + for ($i=0; $i < $nr; $i++) + $this->options[] = array('text' => $text); + } + + + function show($select=array(), $attrib=NULL) + { + $options_str = "\n"; + $value_str = $this->_conv_case(' value="%s"', 'attrib'); + + if (!is_array($select)) + $select = array((string)$select); + + foreach ($this->options as $option) + { + $selected = ((strlen($option['value']) && in_array($option['value'], $select, TRUE)) || + (in_array($option['text'], $select, TRUE))) ? $this->_conv_case(' selected', 'attrib') : ''; + + $options_str .= sprintf("<%s%s%s>%s</%s>\n", + $this->_conv_case('option', 'tag'), + strlen($option['value']) ? sprintf($value_str, $option['value']) : '', + $selected, + rep_specialchars_output($option['text'], 'html', 'replace', FALSE), + $this->_conv_case('option', 'tag')); + } + + // return final tag + return sprintf('<%s%s>%s</%s>%s', + $this->_conv_case('select', 'tag'), + $this->create_attrib_string(), + $options_str, + $this->_conv_case('select', 'tag'), + ($this->newline ? "\n" : "")); + } + } + + + + +// ********* rcube schared functions ********* + + +// provide details about the client's browser +function rcube_browser() + { + global $HTTP_USER_AGENT; + + $bw['ver'] = 0; + $bw['win'] = stristr($HTTP_USER_AGENT, 'win'); + $bw['mac'] = stristr($HTTP_USER_AGENT, 'mac'); + $bw['linux'] = stristr($HTTP_USER_AGENT, 'linux'); + $bw['unix'] = stristr($HTTP_USER_AGENT, 'unix'); + + $bw['ns4'] = stristr($HTTP_USER_AGENT, 'mozilla/4') && !stristr($HTTP_USER_AGENT, 'msie'); + $bw['ns'] = ($bw['ns4'] || stristr($HTTP_USER_AGENT, 'netscape')); + $bw['ie'] = stristr($HTTP_USER_AGENT, 'msie'); + $bw['mz'] = stristr($HTTP_USER_AGENT, 'mozilla/5'); + $bw['opera'] = stristr($HTTP_USER_AGENT, 'opera'); + $bw['safari'] = stristr($HTTP_USER_AGENT, 'safari'); + + if($bw['ns']) + { + $test = eregi("mozilla\/([0-9\.]+)", $HTTP_USER_AGENT, $regs); + $bw['ver'] = $test ? (float)$regs[1] : 0; + } + if($bw['mz']) + { + $test = ereg("rv:([0-9\.]+)", $HTTP_USER_AGENT, $regs); + $bw['ver'] = $test ? (float)$regs[1] : 0; + } + if($bw['ie']) + { + $test = eregi("msie ([0-9\.]+)", $HTTP_USER_AGENT, $regs); + $bw['ver'] = $test ? (float)$regs[1] : 0; + } + if($bw['opera']) + { + $test = eregi("opera ([0-9\.]+)", $HTTP_USER_AGENT, $regs); + $bw['ver'] = $test ? (float)$regs[1] : 0; + } + + if(eregi(" ([a-z]{2})-([a-z]{2})", $HTTP_USER_AGENT, $regs)) + $bw['lang'] = $regs[1]; + else + $bw['lang'] = 'en'; + + $bw['dom'] = ($bw['mz'] || $bw['safari'] || ($bw['ie'] && $bw['ver']>=5) || ($bw['opera'] && $bw['ver']>=7)); + $bw['pngalpha'] = $bw['mz'] || $bw['safari'] || ($bw['ie'] && $bw['ver']>=5.5) || + ($bw['ie'] && $bw['ver']>=5 && $bw['mac']) || ($bw['opera'] && $bw['ver']>=7) ? TRUE : FALSE; + + return $bw; + } + + +// get text in the desired language from the language file +function rcube_label($attrib) + { + global $sess_user_lang, $INSTALL_PATH; + static $sa_text_data, $s_language; + + // extract attributes + if (is_string($attrib)) + $attrib = array('name' => $attrib); + + $nr = is_numeric($attrib['nr']) ? $attrib['nr'] : 1; + $vars = isset($attrib['vars']) ? $attrib['vars'] : ''; + + $command_name = strlen($attrib['command']) ? $attrib['command'] : NULL; + $alias = $attrib['name'] ? $attrib['name'] : ($command_name && $command_label_map[$command_name] ? $command_label_map[$command_name] : ''); + + + // load localized texts + if (!$sa_text_data || $s_language != $sess_user_lang) + { + $sa_text_data = array(); + + // get english labels (these should be complete) + @include($INSTALL_PATH.'program/localization/en/labels.inc'); + @include($INSTALL_PATH.'program/localization/en/messages.inc'); + + if (is_array($labels)) + $sa_text_data = $labels; + if (is_array($messages)) + $sa_text_data = array_merge($sa_text_data, $messages); + + // include user language files + if ($sess_user_lang!='en' && is_dir($INSTALL_PATH.'program/localization/'.$sess_user_lang)) + { + include_once($INSTALL_PATH.'program/localization/'.$sess_user_lang.'/labels.inc'); + include_once($INSTALL_PATH.'program/localization/'.$sess_user_lang.'/messages.inc'); + + if (is_array($labels)) + $sa_text_data = array_merge($sa_text_data, $labels); + if (is_array($messages)) + $sa_text_data = array_merge($sa_text_data, $messages); + } + + $s_language = $sess_user_lang; + } + + // text does not exist + if (!($text_item = $sa_text_data[$alias])) + { + /* + raise_error(array('code' => 500, + 'type' => 'php', + 'line' => __LINE__, + 'file' => __FILE__, + 'message' => "Missing localized text for '$alias' in '$sess_user_lang'"), TRUE, FALSE); + */ + return "[$alias]"; + } + + // make text item array + $a_text_item = is_array($text_item) ? $text_item : array('single' => $text_item); + + // decide which text to use + if ($nr==1) + $text = $a_text_item['single']; + else if ($nr>0) + $text = $a_text_item['multiple']; + else if ($nr==0) + { + if ($a_text_item['none']) + $text = $a_text_item['none']; + else if ($a_text_item['single']) + $text = $a_text_item['single']; + else if ($a_text_item['multiple']) + $text = $a_text_item['multiple']; + } + + // default text is single + if ($text=='') + $text = $a_text_item['single']; + + + // replace vars in text + if (is_array($attrib['vars'])) + { + foreach ($attrib['vars'] as $var_key=>$var_value) + $a_replace_vars[substr($var_key, 0, 1)=='$' ? substr($var_key, 1) : $var_key] = $var_value; + } + + if ($a_replace_vars) + $text = preg_replace('/\${?([_a-z]{1}[_a-z0-9]*)}?/ei', '$a_replace_vars["\1"]', $text); + + // remove variables in text which were not available in arg $vars and $nr + eval("\$text = <<<EOF +$text +EOF; +"); + + + // format output + if (($attrib['uppercase'] && strtolower($attrib['uppercase']=='first')) || $attrib['ucfirst']) + return ucfirst($text); + else if ($attrib['uppercase']) + return strtoupper($text); + else if ($attrib['lowercase']) + return strtolower($text); + else + return $text; + + return $text; + } + + +// send HTTP header for no-cacheing steps +function send_nocacheing_headers() + { + if (headers_sent()) + return; + + header("Expires: ".gmdate("D, d M Y H:i:s")." GMT"); + header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT"); + header("Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0"); + header("Pragma: no-cache"); + } + + +// send header with expire date 30 days in future +function send_future_expire_header() + { + if (!headers_sent()) + header("Expires: ".gmdate("D, d M Y H:i:s", mktime()+2600000)." GMT"); + } + + +// replace specials characters to a specific encoding type +function rep_specialchars_output($str, $enctype='', $mode='', $newlines=TRUE) + { + global $OUTPUT_TYPE; + static $html_encode_arr, $js_rep_table, $rtf_rep_table, $xml_rep_table; + + if (!$enctype) + $enctype = $GLOBALS['OUTPUT_TYPE']; + + // convert nbsps back to normal spaces if not html + if ($enctype!='html') + $str = str_replace(chr(160), ' ', $str); + + + // encode for plaintext + if ($enctype=='text') + return str_replace("\r\n", "\n", $mode=='remove' ? strip_tags($str) : $str); + + // encode for HTML output + if ($enctype=='html') + { + if (!$html_encode_arr) + { + $html_encode_arr = get_html_translation_table(HTML_ENTITIES); + $html_encode_arr["?"] = '–'; + $html_encode_arr[chr(128)] = '€'; + unset($html_encode_arr['?']); + unset($html_encode_arr['&']); + } + + $ltpos = strpos($str, '<'); + $encode_arr = $html_encode_arr; + + // don't replace quotes and html tags + if (($mode=='show' || $mode=='') && $ltpos!==false && strpos($str, '>', $ltpos)!==false) + { + unset($encode_arr['"']); + unset($encode_arr['<']); + unset($encode_arr['>']); + } + else if ($mode=='remove') + $str = strip_tags($str); + + $out = strtr($str, $encode_arr); + + return $newlines ? nl2br($out) : $out; + } + + + if ($enctype=='url') + return rawurlencode($str); + + + // if the replace tables for RTF, XML and JS are not yet defined + if (!$js_rep_table) + { + for ($c=160; $c<256; $c++) // can be increased to support more charsets + { + $hex = dechex($c); + $js_rep_table[Chr($c)] = sprintf("\u%s%s", str_repeat('0', 4-strlen($hex)), $hex); + $rtf_rep_table[Chr($c)] = "\\'$hex"; + $xml_rep_table[Chr($c)] = "&#$c;"; + } + + $js_rep_table['"'] = sprintf("\u%s%s", str_repeat('0', 4-strlen(dechex(34))), dechex(34)); + $xml_rep_table['"'] = '"'; + } + + // encode for RTF + if ($enctype=='xml') + return strtr($str, $xml_rep_table); + + // encode for javascript use + if ($enctype=='js') + return preg_replace(array("/\r\n/", '/"/', "/'/"), array('\n', '\"', "\'"), strtr($str, $js_rep_table)); + + // encode for RTF + if ($enctype=='rtf') + return preg_replace("/\r\n/", "\par ", strtr($str, $rtf_rep_table)); + + // no encoding given -> return original string + return $str; + } + + +function decode_specialchars($input, $charset='') + { + $charset = strtolower($charset); + + if (strcasecmp($charset, 'utf-8')==0) + return utf8_decode($input); + else if ($charset=="koi8-r") + return convert_cyr_string($input, 'k', 'w'); + else if ($charset=="iso8859-5") + return convert_cyr_string($input, 'i', 'w'); + else if ($charset=="x-cp866") + return convert_cyr_string($input, 'a', 'w'); + else if ($charset=="x-mac-cyrillic") + return convert_cyr_string($input, 'm', 'w'); + + return $input; + } + + + +// function to convert an array to a javascript array +function array2js($arr, $type='') + { + if (!$type) + $type = 'mixed'; + + if (is_array($arr)) + { + // no items in array + if (!sizeof($arr)) + return 'new Array()'; + else + { + $a_pairs = array(); + $keys_arr = array_keys($arr); + $is_assoc = $have_numeric = 0; + + for ($i=0; $i<sizeof($keys_arr); ++$i) + { + if(is_numeric($keys_arr[$i])) + $have_numeric = 1; + if (!is_numeric($keys_arr[$i]) || $keys_arr[$i]!=$i) + $is_assoc = 1; + if($is_assoc && $have_numeric) + break; + } + + $previous_was_array = false; + while (list($key, $value) = each($arr)) + { + // enclose key with quotes if it is not variable-name conform + if (!ereg("^[_a-zA-Z]{1}[_a-zA-Z0-9]*$", $key) /* || is_js_reserved_word($key) */) + $key = "'$key'"; + + if (!is_array($value)) + { + $value = str_replace("\r\n", '\n', $value); + $value = str_replace("\n", '\n', $value); + } + + $is_string = false; + if (!is_array($value)) + { + if ($type=='string') + $is_string = true; + else if ((($type=='mixed' && is_numeric($value)) || $type=='int') && strlen($value)<16) // js interprets numbers with digits >15 as ...e+... + $is_string = FALSE; + else + $is_string = TRUE; + } + + if ($is_string) + $value = "'".preg_replace("/(?<!\\\)'/", "\'", $value)."'"; + + $a_pairs[] = sprintf("%s%s", + $is_assoc ? "$key:" : '', + is_array($value) ? array2js($value, $type) : $value); + } + + if ($a_pairs) + { + if ($is_assoc) + $return = '{'.implode(',', $a_pairs).'}'; + else + $return = '['.implode(',', $a_pairs).']'; + } + + return $return; + } + } + else + return $arr; + } + + +// similar function as in_array() ut case-insensitive +function in_array_nocase($needle, $haystack) + { + foreach ($haystack as $value) + { + if (strtolower($needle)===strtolower($value)) + return TRUE; + } + + return FALSE; + } + + + +// find out if the string content means TRUE or FALSE +function get_boolean($str) + { + $str = strtolower($str); + if(in_array($str, array('false', '0', 'no', 'nein', ''), TRUE)) + return FALSE; + else + return TRUE; + } + + +function show_bytes($numbytes) + { + if ($numbytes > 1024) + return sprintf('%d KB', round($numbytes/1024)); + else + return sprintf('%d B', $numbytes); + } + + +// convert paths like ../xxx to an absolute path using a base url +function make_absolute_url($path, $base_url) + { + $host_url = $base_url; + $abs_path = $path; + + // cut base_url to the last directory + if (strpos($base_url, '/')>7) + { + $host_url = substr($base_url, 0, strpos($base_url, '/')); + $base_url = substr($base_url, 0, strrpos($base_url, '/')); + } + + // $path is absolute + if ($path{0}=='/') + $abs_path = $host_url.$path; + else + { + // strip './' because its the same as '' + $path = preg_replace('/^\.\//', '', $path); + + if(preg_match_all('/\.\.\//', $path, $matches, PREG_SET_ORDER)) + foreach($matches as $a_match) + { + if (strrpos($base_url, '/')) + $base_url = substr($base_url, 0, strrpos($base_url, '/')); + + $path = substr($path, 3); + } + + $abs_path = $base_url.'/'.$path; + } + + return $abs_path; + } + + + +?>
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