freifunk-versions/freifunk-versions.php

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<?php
/*
Plugin Name: Freifunk Hamburg Firmware List Shortcode
Plugin URI: http://mschuette.name/
Description: Defines shortcodes to display Freifunk Hamburg Firmware versions
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Version: 0.4dev
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Author: Martin Schuette
Author URI: http://mschuette.name/
Licence: 2-clause BSD
*/
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define( 'FF_HH_STABLE_BASEDIR', 'http://updates.hamburg.freifunk.net/stable/' );
define( 'FF_HH_CACHETIME', 15 );
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/* gets metadata from URL, handles caching */
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function ff_hh_getmanifest( $basedir ) {
// Caching
if ( WP_DEBUG || ( false === ( $manifest = get_transient( 'ff_hh_manifest' ) ) ) ) {
$manifest = array();
$url = $basedir . 'sysupgrade/stable.manifest';
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$http_response = wp_remote_get( $url ); // TODO: error handling
$input = wp_remote_retrieve_body( $http_response );
foreach ( explode( "\n", $input ) as $line ) {
$ret = sscanf( $line, '%s %s %s %s', $hw, $sw_ver, $hash, $filename );
if ( $ret === 4 ) {
if ( preg_match( '/^(.*)-v(\d+)$/', $hw, $matches ) ) {
$hw = $matches[1];
$hw_ver = $matches[2];
} else {
$hw_ver = '1';
}
$manifest[$hw][$hw_ver] = $filename;
}
}
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$cachetime = FF_HH_CACHETIME * MINUTE_IN_SECONDS;
set_transient( 'ff_hh_manifest', $manifest, $cachetime );
}
return $manifest;
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}
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/* gets latest version from first manifest line */
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function ff_hh_getlatest( $basedir ) {
// Caching
if ( false === ( $sw_ver = get_transient( 'ff_hh_latestversion' ) ) ) {
$sw_ver = 'unknown';
$input = wp_remote_retrieve_body( wp_remote_get( $basedir . 'sysupgrade/stable.manifest' ) );
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foreach ( explode( "\n", $input ) as $line ) {
$ret = sscanf( $line, '%s %s %s %s', $hw, $sw_ver, $hash, $filename );
if ( $ret === 4 ) {
// break processing on first matching line
$cachetime = FF_HH_CACHETIME * MINUTE_IN_SECONDS;
set_transient( 'ff_hh_latestversion', $sw_ver, $cachetime );
break;
}
}
}
return $sw_ver;
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}
if ( ! shortcode_exists( 'ff_hh_latestversion' ) ) {
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add_shortcode( 'ff_hh_latestversion', 'ff_hh_shortcode_latestversion' );
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}
// Example:
// [ff_hh_latestversion]
function ff_hh_shortcode_latestversion( $atts, $content, $name ) {
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$sw_ver = ff_hh_getlatest( FF_HH_STABLE_BASEDIR );
$outstr = "<span class=\"ff $name\">$sw_ver</span>";
return $outstr;
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}
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if ( ! shortcode_exists( 'ff_hh_versions' ) ) {
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add_shortcode( 'ff_hh_versions', 'ff_hh_shortcode_versions' );
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}
// Example:
// [ff_hh_versions]
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// [ff_hh_versions grep="ubiquiti"]
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function ff_hh_shortcode_versions( $atts, $content, $name ) {
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$manifest = ff_hh_getmanifest( FF_HH_STABLE_BASEDIR );
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$outstr = "<div class=\"ff $name\">";
$outstr .= '<table><tr><th>Modell</th><th>Erstinstallation</th><th>Aktualisierung</th><th>Preissuche</th></tr>';
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# optionally filter output by given substring
if ( is_array( $atts )
&& array_key_exists( 'grep', $atts )
&& ! empty( $atts['grep'] ) ) {
$grep = $atts['grep'];
} else {
$grep = false;
}
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foreach ( $manifest as $hw => $versions ) {
// filter
if ( $grep && ( false === strpos( $hw, $grep ) ) ) {
continue;
}
$hw = ff_hh_beautify_hw_name( $hw, $grep );
$outstr .= sprintf( "\n<tr><td>%s</td>", $hw );
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// factory versions
$hw_ver_links = array();
foreach ( $versions as $hw_ver => $filename ) {
$filename = str_replace( '-sysupgrade', '', $filename );
$hw_ver_links[] = sprintf(
'<a href="%s%s">%s.x</a>',
FF_HH_STABLE_BASEDIR.'factory/',
$filename, $hw_ver
);
}
$outstr .= '<td>Hardware Version ' . join( ', ', $hw_ver_links ) . '</td>';
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// sysupgrade versions
$hw_ver_links = array();
foreach ( $versions as $hw_ver => $filename ) {
$hw_ver_links[] = sprintf(
'<a href="%s%s">%s.x</a>',
FF_HH_STABLE_BASEDIR.'sysupgrade/',
$filename, $hw_ver
);
}
$outstr .= '<td>Hardware Version ' . join( ', ', $hw_ver_links ) . '</td>';
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// link to Geizhals
$outstr .= sprintf( "\n<tr><td><a href=\"http://geizhals.de/?fs=%s\" target=\"_blank\">Suchen</a></td>", $hw );
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$outstr .= '</tr>';
}
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$outstr .= '</table>';
$outstr .= '</div>';
// $outstr .= '<pre>'.print_r( $manifest, true ).'</pre>';
return $outstr;
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}
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// some crude rules to add capitalization and whitespace to the
// hardware model name.
// set $discard_vendor to strip the vendor name
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// (used for single-vendor lists, e.g. $discard_vendor = 'tp-link' )
function ff_hh_beautify_hw_name( $hw, $discard_vendor = '' ) {
if ( ! strncmp( $hw, 'tp-link', 7 ) ) {
if ( $discard_vendor ) $hw = str_replace( $discard_vendor, '', $hw );
$hw = strtoupper( $hw );
$hw = str_replace( '-', ' ', $hw );
$hw = str_replace( 'TP LINK ', 'TP-Link ', $hw );
$hw = str_replace( ' TL ', ' TL-', $hw );
} elseif ( ! strncmp( $hw, 'ubiquiti', 8 ) ) {
if ( $discard_vendor ) $hw = str_replace( $discard_vendor, '', $hw );
$hw = str_replace( 'bullet-m', 'bullet-m / nanostation-loco-m', $hw );
$hw = str_replace( '-m', ' M2', $hw );
$hw = str_replace( '-', ' ', $hw );
$hw = ucwords( $hw );
} elseif ( ! strncmp( $hw, 'd-link', 6 ) ) {
if ( $discard_vendor ) $hw = str_replace( $discard_vendor, '', $hw );
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$hw = strtoupper( $hw );
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$hw = str_replace( '-', ' ', $hw );
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$hw = str_replace( 'D LINK ', 'D-Link ', $hw );
$hw = str_replace( ' DIR ', ' DIR-', $hw );
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} elseif ( ! strncmp( $hw, 'linksys', 7 ) ) {
if ( $discard_vendor ) $hw = str_replace( $discard_vendor, '', $hw );
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$hw = strtoupper( $hw );
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$hw = str_replace( '-', ' ', $hw );
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$hw = str_replace( 'LINKSYS', 'Linksys ', $hw );
$hw = str_replace( ' WRT', ' WRT-', $hw );
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} elseif ( ! strncmp( $hw, 'buffalo', 7 ) ) {
if ( $discard_vendor ) $hw = str_replace( $discard_vendor, '', $hw );
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$hw = strtoupper( $hw );
$hw = str_replace('BUFFALO', 'Buffalo', $hw );
$hw = str_replace( 'HP-AG300H-WZR-600DHP', 'HP-AG300H & WZR-600DHP', $hw );
$hw = str_replace( '-WZR', 'WZR', $hw );
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}
return $hw;
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}