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https://issues.apache.org/jira/browse/CONNECTORS-477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13282231#comment-13282231
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Karl Wright edited comment on CONNECTORS-477 at 5/24/12 6:49 AM:
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About the fix itself: If you can find a document or standard that describes a
standard for URL transformation that is not supported by the Web Connector, or
you can show that such a transformation works in IE and in Firefox, then we
should modify the WebURL class to support this transformation, and others that
are similar. I created the WebURL class specifically for the purpose of
providing support for URL forms that were unsupported by the Java
implementation of URI, which is no longer up-to-date as far as standards are
concerned. So, if there was going to be a fix for this issue, I'd recommend
that it be done there, and not in WebcrawlerConnector.
My understanding of how URL encoding was supposed to work was that a URL is
encoded in links, NOT by the browser (or crawler). This is necessary because
the browser does not typically understand the context within a URL correctly.
Now, Microsoft modified that standard by supporting certain transformations
within IE, and other browsers have copied those transformations. If there is
sufficient support across browsers, we should go ahead and provide a similar
feature in the web connector.
In order to check whether your transformation of full-width space qualifies as
feature we should support, you would want to create a website locally (running
under IIS probably), which has documents with names that include problematic
characters such as full-width space. Then, also create a page that has links
to these documents, in the form <a href="...">...</a>, where the full-width
space character is NOT properly URL encoded but is exposed. Browse to the link
page and click on the link. Does the browser load the expected document, or
not? Which browsers work, and which do not? If it does seem to be supported,
are there other characters that work the same, or not?
was (Author: [email protected]):
About the fix itself: If you can find a document or standard that describes
a standard for URL transformation that is not supported by the Web Connector,
or you can show that such a transformation works in IE and in Firefox, then we
should modify the WebURL class to support this transformation, and others that
are similar. I created the WebURL class specifically for the purpose of
providing support for URL forms that were unsupported by the Java
implementation of URI, which is no longer up-to-date as far as standards are
concerned. So, if there was going to be a fix for this issue, I'd recommend
that it be done there, and not in WebcrawlerConnector.
My understanding of how URL encoding was supposed to work was that a URL is
encoded in links, NOT by the browser (or crawler). This is necessary because
the browser does not typically understand the context within a URL correctly.
Now, Microsoft modified that standard by supporting certain transformations
within IE, and other browsers have copied those transformations. If there is
sufficient support across browsers, we should go ahead and provide a similar
feature in the web connector.
In order to check whether your transformation of full-width space qualifies as
feature we should support, you would want to create a website locally (running
under IIS probably), which has documents with names that include problematic
characters such as full-width space. Then, also create a page that has links
to these documents, in the form <a href="...">...</a>, where the full-width
space character is NOT properly URL encoded but is exposed. Browse to the link
page and click on the link. Does the browser load the expected document, or
not? Which browsers work, and which do not?
> Support for full-width space against url
> ----------------------------------------
>
> Key: CONNECTORS-477
> URL: https://issues.apache.org/jira/browse/CONNECTORS-477
> Project: ManifoldCF
> Issue Type: Improvement
> Components: Web connector
> Reporter: Shinichiro Abe
> Assignee: Shinichiro Abe
> Priority: Minor
> Fix For: ManifoldCF 0.6
>
> Attachments: CONNECTORS-477.patch
>
>
> When url includes full-width space (" ") MCF can't ingest their documents.
> e.g.
> 1.file name
> http://server/site1/Shared%20Documents/test/aaa bbb.txt
> 2.path
> http://localhost/aaa bbb/aaa.txt
> MCF's log says:
> {noformat}
> WEB: Can't use url '/site1/Shared%20Documents/test/aaa bbb.txt' because it is
> badly formed: Illegal character in path at index 34:
> /site1/Shared%20Documents/test/aaa bbb.txt
> {noformat}
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