Friday, 8 February 2013

O2 Script to create Google Static map with OWASP UK Chapter locations

There is a thread at OWASP UK about organizing the OWASP EU conference for 2014, and one of the questions asked was ‘where are all UK chapter located?’

At the moment if you go to the https://www.owasp.org/index.php/UK you will see this:

image

Which is not a very user friendly way to visualize the locations :)

So to help out, I went to O2’s C# REPL and wrote this script
var width = 1000;
var height = 9000;
var center = "Coventry";
var zoom = 6;

Func<string[],string> getImageUrl = 
    (locations)=>{
                    return ("http://maps.googleapis.com/maps/api/staticmap?" + //center=-15.800513,-47.91378&zoom=11&size=1000x400&sensor=false";
                             "center={0}&" +
                             "markers=color:blue|label:O|{1}" +                         
                             "&zoom={2}" + 
                             "&size={3}x{4}&sensor=false").format(center, locations.toList().add("").join(",England|"), zoom, width,height);
                  };
                  
var owaspChapters = new []{ "Birmingham",
                            "Bristol",                            
                            "Cambridge",                            
                            "Leicester"            , //"East_Midlands chapter"
                            "Loughborough"        , //"East_Midlands chapter"
                            "Nottingham"        , //"East_Midlands chapter"
                            "Derby"                , //"East_Midlands chapter"
                            "Leeds"                , 
                            "London"            ,
                            "Royal_Holloway"    ,
                            "Manchester"        ,
                            "Newcastle"            ,
                            "Edinburgh,Scotland", //"Scotland chapter"        
                            "South Wales"            
                            };
var imgUrl = getImageUrl(owaspChapters);
ie.open(imgUrl);

return imgUrl;

//O2Ref:System.Windows.Forms.dll


Which will show in a local web browser the chapter’s locations:

image

See https://developers.google.com/maps/documentation/staticmaps/index for reference on how the static image was created.

Since this is just an web-based image (rendered from Google’s servers), It was easy to run it from the O2’s web based http://csharp-repl.apphb.com which you can access at http://csharp-repl.apphb.com/23

image

Here is slightly modified script to run on the Web C# REPL:
var width = 1000;
var height = 9000;
var center = "Coventry";
var zoom = 6;

Func<string[],string> getImageUrl = 
    (locations)=>{
                    return ("http://maps.googleapis.com/maps/api/staticmap?" + //center=-15.800513,-47.91378&zoom=11&size=1000x400&sensor=false";
                             "center={0}&" +
                             "markers=color:blue|label:O|{1}" +                         
                             "&zoom={2}" + 
                             "&size={3}x{4}&sensor=false").format(center, locations.toList().add("").join(",England|"), zoom, width,height);
                  };
                  
var owaspChapters = new []{ "Birmingham",
                            "Bristol",                            
                            "Cambridge",                            
                            "Leicester"            , //"East_Midlands chapter"
                            "Loughborough"        , //"East_Midlands chapter"
                            "Nottingham"        , //"East_Midlands chapter"
                            "Derby"                , //"East_Midlands chapter"
                            "Leeds"                , 
                            "London"            ,
                            "Royal_Holloway"    ,
                            "Manchester"        ,
                            "Newcastle"            ,
                            "Edinburgh,Scotland", //"Scotland chapter"        
                            "South Wales"            
                            };
var imgUrl = getImageUrl(owaspChapters);
return "Direct Link: <a href={0}>to Image</a><hr><img src='{0}'/>".format(imgUrl);


Finally, I updated the OWASP UK page to show this image, and it looks much better :)

image
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