2 // Use of this source code is governed by a BSD-style license that can be
22 #include "url/gurl.h"
27 // https://infra.spec.whatwg.org/#ascii-whitespace, which is referenced by
28 // https://infra.spec.whatwg.org/#forgiving-base64, does not include \v in the
34 // A data URL is ready for decode if it:
35 //   - Doesn't need any extra padding.
36 //   - Does not have any escaped characters.
37 //   - Does not have any whitespace.
46 bool DataURL::Parse(const GURL& url,  in Parse()  argument
50   if (!url.is_valid() || !url.has_scheme())  in Parse()
53   DCHECK(mime_type->empty());  in Parse()
54   DCHECK(charset->empty());  in Parse()
55   DCHECK(!data || data->empty());  in Parse()
60     // Avoid copying the URL content which can be expensive for large URLs.  in Parse()
61     content = url.GetContentPiece();  in Parse()
63     content_string = url.GetContent();  in Parse()
95       charset_value = std::string(iter->substr(kCharsetTag.size()));  in Parse()
109       charset_value = "US-ASCII";  in Parse()
114     // set to "US-ASCII".  in Parse()
116     charset_value = "US-ASCII";  in Parse()
125     // (Spaces in a data URL should be escaped, which is handled below, so any  in Parse()
126     // spaces now are wrong. People expect to be able to enter them in the URL  in Parse()
135     // For base64, we may have url-escaped whitespace which is not part  in Parse()
139       // If the data URL is well formed, we can decode it immediately.  in Parse()
151       // Strip whitespace for non-text MIME types.  in Parse()
169 Error DataURL::BuildResponse(const GURL& url,  in BuildResponse()  argument
178   if (!DataURL::Parse(url, mime_type, charset, data))  in BuildResponse()
184   DCHECK(!mime_type->empty());  in BuildResponse()
186   // "charset" in the Content-Type header is specified explicitly to follow  in BuildResponse()
191   if (!charset->empty())  in BuildResponse()
196       "Content-Type:" +  in BuildResponse()
198   // Above line should always succeed - TryToCreate() only fails when there are  in BuildResponse()
204     data->clear();  in BuildResponse()