IP2C

c2ip.jquery.js

(function(){   
    // Always Declare vars at top of function - good practice
    var url, countries, defaultKey;
    // Get data from here.
    url = "http://www.example.com/ajax.do";
    // Use this key per default (international)
    defaultKey = "int";
    
    // Object containing the countries.
    countries = {
        'za' : {
            'url' : "http://www.greenpeace.org/international/en/campaigns/climate-change/arctic-impacts/Save-the-Arctic/?redirect",
            'name' : "Africa (EN)"
        },
        // Australia
        'au' : {
            'url' : "https://www.greenpeace.org.au/action/index.php?cid=22",
            'name' : "Australia Pacific"
        },
        // Canada
        'ca' : {
            'url' : "http://greenpeace.ca/savethearctic",
            'name' : "Canada"
        },
        // India
        'in' : {
            'url' : "http://www.greenpeace.org/india/en/Get-Involved/Dont-destroy-the-Arctic/",
            'name' : "India"
        },
        // PNG
        'gp' : {
            'url' : "http://www.greenpeace.org/australia/savethearctic",
            'name' : "Papua New Guinea"
        },
        // UK
        'uk' : {
            'url' : "http://act.greenpeace.org.uk/ea-action/action?ea.client.id=18&ea.campaign.id=13413",
            'name' : "United Kingdom"
        },
        // UK (Great Britain bug)
        'gb' : {
            'url' : "http://act.greenpeace.org.uk/ea-action/action?ea.client.id=18&ea.campaign.id=13413",
            'name' : "United Kingdom"
        },
 
        // USA
        'us' : {
            'url' : "https://secure3.convio.net/gpeace/site/Advocacy?cmd=display&page=UserAction&id=1011&s_src=GPI",
            'name' : "United States"
        },

        // New Zealand
        'nz' : {
            'url' : "http://www.greenpeace.org/new-zealand/en/take-action/Take-action-online/Save-the-Arctic/",
            'name' : "New Zealand"
        },
        // Africa-FR
        // @@ TODO: Add country codes for all French-speaking African countries
        'sn' : {
            'url' : "http://www.greenpeace.org/international/en/campaigns/climate-change/arctic-impacts/Save-the-Arctic/?redirect",
            'name' : "Africa (FR)"
        },

        // Argentina
        'ar' : {
            'url' : "http://www.greenpeace.org.ar/cyberacciones/index.php?cyberaccion=5122&referer=web_gpi",
            'name' : "Argentina"
        },
 
        // Austria
        'at' : {
            'url' : "http://www.greenpeace.org/austria/de/aktivwerden/Proteste/Petition/",
            'name' : "Austria"
        },

 
        // Belgium
        'be' : {
            'url' : "http://www.greenpeace.org/international/en/campaigns/climate-change/arctic-impacts/Save-the-Arctic/?redirect",
            'name' : "Belgium"
        },

 
        // Brasil
        'br' : {
            'url' : "http://www.greenpeace.org/international/en/campaigns/climate-change/arctic-impacts/Save-the-Arctic/?redirect",
            'name' : "Brazil"
        },
 
        // Chile
        'cl' : {
            'url' : "http://www.greenpeace.org/chile/es/que-hacemos/clima-y-energia/Salva-el-Artico/ ",
            'name' : "Chile"
        },

 
        // China
        'cn' : {
            'url' : "http://www.greenpeace.org/international/en/campaigns/climate-change/arctic-impacts/Save-the-Arctic/?redirect",
            'name' : "China (EN)"
        },
        // Colombia
        'co' : {
            'url' : "http://www.greenpeace.org/colombia/es/participa/ciberacciones/Salva-el-artico/",
            'name' : "Colombia"
        },
 
        // Czech
        'cz' : {
            'url' : "http://www.greenpeace.org/czech/cz/Kampan/klima_a_energetika/Arktida/zachrante-arktidu/poslete-email/formular/",
            'name' : "Czech Republic"
        },

 
        // Denmark
        'dk' : {
            'url' : "http://www.greenpeace.org/denmark/da/Hvad-du-kan-gore/beskyt-Arktis/",
            'name' : "Denmark"
        },
        // Finland
        'fi' : {
            'url' : "http://www.greenpeace.org/finland/fi/kampanjat/ilmastonmuutos/Arktis/savethearctic/",
            'name' : "Finland"
        },
        // France
        'fr' : {
            'url' : "http://www.greenpeace.fr/arctique-en-danger/",
            'name' : "France"
        },
        // Germany
        'de' : {
            'url' : "http://service.greenpeace.de/themen/oel/mitmach_aktionen/aktion/protest_e_mail/rettet_die_arktis/",
            'name' : "Germany"
        },
        // Greece
        'gr' : {
            'url' : "http://www.greenpeace.org/international/en/campaigns/climate-change/arctic-impacts/Save-the-Arctic/?redirect",
            'name' : "Greece"
        },

 
        // Hungary
        'hu' : {
            'url' : "http://www.greenpeace.org/international/en/campaigns/climate-change/arctic-impacts/Save-the-Arctic/?redirect",
            'name' : " Hungary"
        },

 
        // Indonesia
        'id' : {
            'url' : "http://www.greenpeace.org/international/en/campaigns/climate-change/arctic-impacts/Save-the-Arctic/?redirect",
            'name' : "Indonesia"
        },

 
        // Israel
        'il' : {
            'url' : "http://www.greenpeace.org/international/en/campaigns/climate-change/arctic-impacts/Save-the-Arctic/?redirect",
            'name' : "Israel"
        },

 
        // Italy
        'it' : {
            'url' : "http://www.greenpeace.org/international/en/campaigns/climate-change/arctic-impacts/Save-the-Arctic/?redirect",
            'name' : "Italy"
        },

 
        // Japan
        'jp' : {
            'url' : "http://www.greenpeace.org/international/en/campaigns/climate-change/arctic-impacts/Save-the-Arctic/?redirect",
            'name' : "Japan"
        },

 
        // Lebanon
        'lb' : {
            'url' : "http://www.greenpeace.org/international/en/campaigns/climate-change/arctic-impacts/Save-the-Arctic/?redirect",
            'name' : "Lebanon"
        },

 
        // Luxembourg
        'lu' : {
            'url' : "http://www.greenpeace.org/international/en/campaigns/climate-change/arctic-impacts/Save-the-Arctic/?redirect",
            'name' : "Luxembourg"
        },

 
        // Mexico
        'mx' : {
            'url' : "http://www.greenpeace.org/mexico/es/Ciberacciones/Salva-el-Artico/",
            'name' : "Mexico"
        },

 
        // Netherlands
        'nl' : {
            'url' : "http://www.greenpeace.org/international/en/campaigns/climate-change/arctic-impacts/Save-the-Arctic/?redirect",
            'name' : "Netherlands"
        },

 

        // Norway
        'no' : {
            'url' : "http://www.greenpeace.org/norway/no/getinvolved/Online-actions/beskytt-arktis/",
            'name' : "Norway"
        },
        // Philippines
        'ph' : {
            'url' : "http://www.greenpeace.org/international/en/campaigns/climate-change/arctic-impacts/Save-the-Arctic/?redirect",
            'name' : "Philippines"
        },
        // Poland
        'pl' : {
            'url' : "http://www.greenpeace.org/poland/pl/dzialaj-teraz/ratuj-arktyke/",
            'name' : "Poland"
        },
        // Russia
        'ru' : {
            'url' : "http://www.greenpeace.org/international/en/campaigns/climate-change/arctic-impacts/Save-the-Arctic/?redirect",
            'name' : "Russia"
        },
        // Slovakia
        'sk' : {
            'url' : "http://www.greenpeace.org/international/en/campaigns/climate-change/arctic-impacts/Save-the-Arctic/?redirect",
            'name' : "Slovakia"
        },
        // Solomon Islands
        'sb' : {
            'url' : "http://www.greenpeace.org/international/en/campaigns/climate-change/arctic-impacts/Save-the-Arctic/?redirect",
            'name' : "Solomon Islands"
        },

 
        // Spain
        'es' : {
            'url' : "http://www.greenpeace.org/espana/es/Que-puedes-hacer-tu/Ser-ciberactivista/salvemos-el-artico/",
            'name' : "Spain"
        },

 
        // Sweden
        'sw' : {
            'url' : "http://www.greenpeace.org/sweden/se/agera/Agera-online/skydda-arktis/ ",
            'name' : "Sweden"
        },

 
        // Switzerland
        'ch' : {	
            'url' : "http://www.greenpeace.org/switzerland/de/Kampagnen/Stromzukunft-Schweiz/Klima/arctic-impacts/arctic/",
            'name' : "Switzerland (DE)"
        },
 
        // Thailand
        'th' : {
            'url' : "http://www.greenpeace.org/international/en/campaigns/climate-change/arctic-impacts/Save-the-Arctic/?redirect",
            'name' : "Thailand"
        },

 
        // Turkey
        'tr' : {
            'url' : "http://www.greenpeace.org/turkey/tr/harekete-gec/kuzey-kutbunu-kurtar/",
            'name' : "Turkey"
        },
	
        // Bolivia
        'bo' : {
            'url' : "http://www.salvaelartico.org",
            'name' : "Bolivia"
        },
	
        // Belize
        'bz' : {
            'url' : "http://www.salvaelartico.org",
            'name' : "Belize"
        },
	
        // Costa Rica
        'cr' : {
            'url' : "http://www.salvaelartico.org",
            'name' : "Costa Rica"
        },

        // Cuba
        'cu' : {
            'url' : "http://www.salvaelartico.org",
            'name' : "Cuba"
        },
	
        // Dominican Republic
        'do' : {
            'url' : "http://www.salvaelartico.org",
            'name' : "Dominican Republic"
        },
	
        // Ecuador
        'ec' : {
            'url' : "http://www.salvaelartico.org",
            'name' : "Ecuador"
        },
	
        // Guatemala
        'gt' : {
            'url' : "http://www.salvaelartico.org",
            'name' : "Guatemala"
        },
	
        // Nicaragua
        'ni' : {
            'url' : "http://www.salvaelartico.org",
            'name' : "Nicaragua"
        },
	
        // Panama
        'pa' : {
            'url' : "http://www.salvaelartico.org",
            'name' : "Panama"
        },
	
        // Peru
        'pe' : {
            'url' : "http://www.salvaelartico.org",
            'name' : "Peru"
        },
	
        // Puerto Rico
        'pr' : {
            'url' : "http://www.salvaelartico.org",
            'name' : "Puerto Rico"
        },
	
        // Paraguay
        'py' : {
            'url' : "http://www.salvaelartico.org",
            'name' : "Ecuador"
        },
	
        // El Salvador
        'sv' : {
            'url' : "http://www.salvaelartico.org",
            'name' : "El Salvador"
        },

        // Uruguay
        'uy' : {
            'url' : "http://www.salvaelartico.org",
            'name' : "Uruguay"
        },	
        // Venezuela
        've' : {
            'url' : "http://www.salvaelartico.org",
            'name' : "Venezuela"
        },
        'int': {
            // The rest go to GPI
            'url' : "http://www.greenpeace.org/international/en/campaigns/climate-change/arctic-impacts/Save-the-Arctic/?redirect",
            'name' : "International"
        }
    };
    
    /**
     * Get the correct key out a object or if not found returns defualt option
     * @param obj object 
     * @param key string
     * @param defaultKey string
     */
    function getHashKey(obj, key, defaultKey){
        // We check if the key actually exists
        // Second condition also checks type
        return ((obj.hasOwnProperty(key)) && (typeof obj[key].url === 'string')) 
            ? obj[key].url : obj[defaultKey].url;
    }
    /**
     * get an IP2country key.
     */
    $.getJSON(url, function(data){
        var redirectUrl = getHashKey(countries, data.key, defaultKey);
        if ( redirectUrl !== window.location ) {
            window.location = data.url;
        }
    });   
}());

ip2c_ajax.php

<?php 
/**
* @see: http://www.geekality.net/2010/06/27/php-how-to-easily-provide-json-and-jsonp/
**/

// Do logic to determine user location

// Turn data into an assoc array
$data = array(
	"id" => "es",
	"url" => "http://www.example.com"
);

header('content-type: application/json; charset=utf-8');

$json = json_encode($data);

echo isset($_GET['callback'])
    ? "{$_GET['callback']}($json)"
    : $json;