| 1 | #!/usr/bin/perl -w |
| 2 | |
| 3 | # OSM Map CGI - creating a HTML page that starts in the right place |
| 4 | |
| 5 | # The file from which we get the Template for Openlayers? |
| 6 | $openlayerstemplate = '/var/www/index.openlayers.html'; |
| 7 | |
| 8 | # The file from which we get the Template for Openlayers? |
| 9 | $leaflettemplate = '/var/www/index.leaflet.html'; |
| 10 | |
| 11 | # Your should not need to change anything below this line |
| 12 | # ---------------------------------------------------------------------------- |
| 13 | |
| 14 | use CGI qw(:standard); |
| 15 | use CGI qw/escape unescape escapeHTML unescapeHTML/; |
| 16 | |
| 17 | print("Content-type: text/html\n\n"); |
| 18 | my $lon = -999.0; |
| 19 | my $lat = -999.0; |
| 20 | my $mlon = -999.0; |
| 21 | my $mlat = -999.0; |
| 22 | my $zoom = -1; |
| 23 | my $baselayer = undef; |
| 24 | if (defined(param('lon'))) { |
| 25 | $lon = param('lon'); |
| 26 | unless ($lon =~ m/^-{0,1}\d+\.\d+$/) { $lon = -999.0; } |
| 27 | if (($lon < -180.0) || ($lon > 180.0)) { $lon = -999.0; } |
| 28 | } |
| 29 | if (defined(param('lat'))) { |
| 30 | $lat = param('lat'); |
| 31 | unless ($lat =~ m/^-{0,1}\d+\.\d+$/) { $lat = -999.0; } |
| 32 | if (($lat < -90.0) || ($lat > 90.0)) { $lat = -999.0; } |
| 33 | } |
| 34 | if (defined(param('mlon'))) { |
| 35 | $mlon = param('mlon'); |
| 36 | unless ($mlon =~ m/^-{0,1}\d+\.\d+$/) { $mlon = -999.0; } |
| 37 | if (($mlon < -180.0) || ($mlon > 180.0)) { $mlon = -999.0; } |
| 38 | } |
| 39 | if (defined(param('mlat'))) { |
| 40 | $mlat = param('mlat'); |
| 41 | unless ($mlat =~ m/^-{0,1}\d+\.\d+$/) { $mlat = -999.0; } |
| 42 | if (($mlat < -90.0) || ($mlat > 90.0)) { $mlat = -999.0; } |
| 43 | } |
| 44 | if (defined(param('zoom'))) { |
| 45 | $zoom = param('zoom'); |
| 46 | unless ($zoom =~ m/^\d+$/) { $zoom = -1; } |
| 47 | if (($zoom < 0) || ($zoom > 30)) { $lat = -1; } |
| 48 | } |
| 49 | if (defined(param('layers'))) { |
| 50 | # Mapping for Openlayers Permalinks |
| 51 | my @layerlist = ('osmde', 'osmorg', 'osmorglowzoom', 'luftbilderl'); |
| 52 | my $layers = param('layers'); |
| 53 | my $i; |
| 54 | for ($i = 0; $i < int(@layerlist); $i++) { |
| 55 | if (substr($layers, $i, 1) eq 'B') { # This is our baselayer |
| 56 | $baselayer = $layerlist[$i]; |
| 57 | } |
| 58 | } |
| 59 | } |
| 60 | if (defined(param('layer'))) { |
| 61 | # Mapping for Leaflet Permalinks |
| 62 | my $layers = param('layer'); |
| 63 | if ($layers eq 'RRZE tileserver osm.de style tiles') { $baselayer = 'osmde'; } |
| 64 | if ($layers eq 'RRZE tileserver osm.org style tiles') { $baselayer = 'osmorg'; } |
| 65 | if ($layers eq 'RRZE tileserver osm.org style with different lowzoom tiles') { $baselayer = 'osmorglowzoom'; } |
| 66 | if ($layers eq 'Luftbild Erlangen') { $baselayer = 'luftbilderl'; } |
| 67 | } |
| 68 | # If mlon/mlat is defined but lon/lat isn't, use mlat/mlon as center pos. |
| 69 | if (($lon == -999.0) && ($lat == -999.0)) { |
| 70 | if ($mlat != -999.0) { $lat = $mlat; } |
| 71 | if ($mlon != -999.0) { $lon = $mlon; } |
| 72 | } |
| 73 | $mytemplate = $openlayerstemplate; # Openlayers |
| 74 | if ($0 =~ m/-leaflet/) { |
| 75 | $mytemplate = $leaflettemplate; # leaflet |
| 76 | } |
| 77 | my $OLF; |
| 78 | unless (open($OLF, '<' . $mytemplate)) { |
| 79 | print("Sorry, failed to read my map template.\n"); exit(0); |
| 80 | } |
| 81 | while ($ll = <$OLF>) { |
| 82 | # var lon = 11.028847; |
| 83 | # var lat = 49.573836; |
| 84 | # var zoom = 16; |
| 85 | if ($lon >= -180.0) { |
| 86 | $ll =~ s/var\s+lon\s*=\s*-{0,1}\d+\.\d+;/var lon = $lon;/; |
| 87 | } |
| 88 | if ($lat >= -90.0) { |
| 89 | $ll =~ s/var\s+lat\s*=\s*-{0,1}\d+\.\d+;/var lat = $lat;/; |
| 90 | } |
| 91 | # In any case, because the script understands the "invalid" value! |
| 92 | $ll =~ s/var\s+mlon\s*=\s*-{0,1}\d+\.\d+;/var mlon = $mlon;/; |
| 93 | $ll =~ s/var\s+mlat\s*=\s*-{0,1}\d+\.\d+;/var mlat = $mlat;/; |
| 94 | if ($zoom >= 0) { |
| 95 | $ll =~ s/var\s+zoom\s*=\s*\d+;/var zoom = $zoom;/; |
| 96 | } |
| 97 | if (($lon >= -180.0) && ($lat >= -180.0) && ($zoom >= 0)) { # All values required in that case |
| 98 | my $rest = ''; |
| 99 | if (defined($baselayer)) { |
| 100 | $rest .= '&maptype=' . $baselayer; |
| 101 | } |
| 102 | if (($mlon != -999.0) && ($mlat != -999.0)) { |
| 103 | $rest .= "&markers=$mlat,$mlon,ol-marker"; |
| 104 | } |
| 105 | $ll =~ s!<img src="(.*?)/staticmaplite\?.*?size=([^"&]+).*?"!<img src="$1/staticmaplite?center=$lat,$lon&zoom=$zoom&size=$2$rest"!; |
| 106 | } |
| 107 | print($ll); |
| 108 | } |
| 109 | close($OLF); |