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When parsing the Content-Type header there is an assumption that the type and key/value pairs can be split by semi-colon, but this is incorrect when a value contains a semi-colon (eg. name="foo; bar"). This format is covered by the RFC (https://tools.ietf.org/html/rfc2045#page-12, Must be in quoted-string to use within parameter values), and is seen in data in the wild. This patch adds support for this.
Currently an exception is thrown in strict mode because of an undefined offset (Undefined offset: 1). I've updated the code to use parse_str to better handle this data, which I think is an improvement over the regexp splitting, but still not ideal without a proper lexer/tokenizer obv.
I've also enabled strict mode for PHPUnit by default to expose these kinds of bugs in the test suite.
@weierophinney Thanks - the parser class works for this case if you can allow a minor customisation (though the name is now perhaps a little misleading if it's used in both locations).
Since the AddressListParser has not yet been released, I've taken the liberty of renaming it to ListParser, and pushing the changes back to your branch. With those in place, I think this is ready to go.
@@ -42,6 +42,10 @@ All notable changes to this project will be documented in this file, in reverse
### Fixed
- [#211](https://github.com/zendframework/zend-mail/pull/211) fixes how the `ContentType` header class parses the value it receives. Previously,
it was incorrectly splitting the value on semi-colons that were inside quotes; in now correctly
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it now correctly ignores them.
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When parsing the
Content-Typeheader there is an assumption that the type and key/value pairs can be split by semi-colon, but this is incorrect when a value contains a semi-colon (eg.name="foo; bar"). This format is covered by the RFC (https://tools.ietf.org/html/rfc2045#page-12,Must be in quoted-string to use within parameter values), and is seen in data in the wild. This patch adds support for this.Currently an exception is thrown in strict mode because of an undefined offset (
Undefined offset: 1). I've updated the code to useparse_strto better handle this data, which I think is an improvement over the regexp splitting, but still not ideal without a proper lexer/tokenizer obv.I've also enabled strict mode for PHPUnit by default to expose these kinds of bugs in the test suite.