Re: fo:external-graphic problem when using HTTPS -

[Johan Åbrandt <jo...@profitsoftware.com>]

Hi Phillip,

Thanks for the answere, and if I controlled the deployment environment I 
might do something like what you suggest. In this case I dont want to 
suggest anything that means installing additional software. Maintenance 
is expensive =). Also, I really prefer to have all resources needed by 
one application in one package, splitting it means trouble for 
installation and distribution.

BTW, I already came up with a workable solution, writing the image to 
temporary storage and giving that as a file url.

Br - Johan

Phillip Rhodes wrote:

> I have a weird and crazy idea that may help you....
> 
> Why don't you install a local apache server with mod_proxy.
> You can configure mod_proxy so that it can tunnel into https from your 
> http connection.
> 
> 1)  It's very fast, all my browsing is through a proxy server
> 2)  You can secure your local apache so that it would only allow 
> requests from localhost
> 3)  It solves your problem by allowing you to make a request via http to 
> get your https resource.
> 
> I am sorry if you find my suggestion ridiculous, but sometimes 
> ridiculous ideas such as this one can save a lot of heartache and effort.
> I guarantee it will work.
> 
> 
> 
> At 02:51 PM 11/19/2002 +0200, Johan Åbrandt wrote:
> 
>> Hi,
>>
>> I have the following external graphic declaration in a XML file:
>>
>> <fo:external-graphic src="url('{$base-url}/images/logo.jpg')" 
>> height="30pt" width="170pt"/>
>>
>> I render it to a servlet outputstream using:
>>
>> Driver driver;
>> driver = new Driver( new InputSource( reader ), out ); 
>> driver.setRenderer( Driver.RENDER_PDF );
>> driver.run();
>>
>> This works just fine when having the server configured for HTTP but 
>> when using HTTPS, it fails with error:
>>
>> Error while creating area : Error with image URL: unknown certificate 
>> and no base directory is specified
>>
>> I think this is because I am using a own generated certificate and not 
>> a real certificate from f ex Verisign. I know that I can either create 
>> my own SecurityManager (effectively disabling security), or use a real 
>> certificate. I would however like to circumvent all such hazzles and 
>> retrieve the image in some other means instead, intially I tried to 
>> use a custom EntityResolver, but I doesnt seem like it is used for 
>> image url resolution:
>>
>> i.e.
>>
>> driver = new Driver( new InputSource( reader ), out ); 
>> driver.setRenderer( Driver.RENDER_PDF );
>>
>> XMLReader xmlReader = XMLReaderFactory.createXMLReader();
>> xmlReader.setEntityResolver( new CustomEntityResolver() );
>> driver.setXMLReader( xmlReader );
>>
>> driver.run();
>>
>> Does anyone have any tips how to get the EntityResolver approach to 
>> work, or know any other way to achieve something similar.
>>
>> Best regards - Johan
>>
>> -- 
>> Johan Åbrandt
>>
>> Technical Project Manager
>> (Tekninen projektipäällikkö)
>> Tel. +358 9 6817 3342
>> Mobile. +358 40 848 8068
>> johan.abrandt@profitsoftware.com
>>
>> Profit Software Oy
>> Meritullinkatu 11 C
>> 00170 Helsinki, Finland
>>
>>
>> __________________________________________________________________________ 
>>
>>
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> 
> 
> 
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-- 
Johan Åbrandt

Technical Project Manager
(Tekninen projektipäällikkö)
Tel. +358 9 6817 3342
Mobile. +358 40 848 8068
johan.abrandt@profitsoftware.com

Profit Software Oy
Meritullinkatu 11 C
00170 Helsinki, Finland


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