Le samedi 23 août 2014 00:13:21, JDzialo John a écrit : > Hi All, > > This is my first post so forgive my noobiness... > > We are running a cropping tool that used to access data from a local hard > drive and crop images. > > Now we want to use s3 as our storage in aws and want to access files > through http requests. Great! Enter vsicurl. > > So when we open our s3 bucket to the world we can easily access our tif > images from s3 with a straight url. For example... > > https://test-bucket.s3.amazonaws.com/test/key/value/string/object.tif > > This works well using the gdalinfo vsicurl cmd... > > gdalinfo > /vsicurl/https://test-bucket.s3.amazonaws.com/test/key/value/string/object > .tif > > However in s3 it is not secure to allow access to everyone on the internet > and would rather use a presigned URL that uses a query string to > authenticate access to the object. > > When sending a request with a query string vsicurl and gdal appear to > breakdown and I'm not sure why. > > gdalinfo > /vsicurl/https://test-bucket.s3.amazonaws.com/test/key/value/string/object > .tif?Signature=sdlfkj88345r9&Expires=12300000&AWSAccessKeyID=AKIALKSDJFOILI > KJFVOSIDF
I tried the URL in a browser and got a AccessDenied. Was it supposed to work or something faked to just give a sense of the kind of URL ? A working example would be helpful. > > Fails saying it's unable to open the file. > > Is there a specific way to pass the query string to the VSIL API like when > using curl with the -d switch? Any way to run vsicurl with a query string > or something I'm missing? > > Thanks for any advice you can throw my way! > > > > John Dzialo | Linux System Administrator > Direct 203.783.8163 | Main 800.352.0050 > > Environmental Data Resources, Inc. > 440 Wheelers Farms Road, Milford, CT 06461 > www.edrnet.com<http://www.edrnet.com/> | > commonground.edrnet.com<http://commonground.edrnet.com/> > > [Description: Description: Description: Description: Description: > EDR_logo4color_EDR_only_80px2] -- Spatialys - Geospatial professional services http://www.spatialys.com _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/gdal-dev
