36b328a9fa
Fix for issue #1897. The existing hashing code seems to work correctly almost all the time, but there are exceptions. It is replaced by an exact implementation of the spec, including a link to the spec in the comments. Cases known to fail are added to the unit test suite. The spec expects the string to be at most 255 bytes (yes, bytes not characters). The program had permitted any length; it will now throw an exception when the maximum length is exceeded. Xls does not support any hashing algorithm except basic. The Xls writer had, nevertheless, accepted the results of any of the other possible algorithms. This leads to (a) a worksheet that can't be unprotected, and (b) deprecation notices during the write (because it is using hexdec, which expects only hex characters, and the other algorithms generate non-hex characters). I have changed Xls writer to ignore passwords generated by other algorithms. An alternative would be to have the password hasher generate both an algorithmic password (for use by Xlsx) and a basic password (for use by Xls); I think that is too complex a solution, but can look into it if you think it worthwhile. I do not see any current support for Worksheet passwords in ODS Reader or Writer. I did not add support in this PR. I added a new test to confirm the password for reading a spreadsheet is consistent with the one used for writing it. As you can see from the comments for the new test, it had an unusual problem with a somewhat unusual solution. |
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| infra | ||
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| .php_cs.dist | ||
| .phpcs.xml.dist | ||
| .scrutinizer.yml | ||
| CHANGELOG.PHPExcel.md | ||
| CHANGELOG.md | ||
| CONTRIBUTING.md | ||
| LICENSE | ||
| README.md | ||
| composer.json | ||
| composer.lock | ||
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| phpstan-baseline.neon | ||
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README.md
PhpSpreadsheet
PhpSpreadsheet is a library written in pure PHP and offers a set of classes that allow you to read and write various spreadsheet file formats such as Excel and LibreOffice Calc.
Documentation
Read more about it, including install instructions, in the official documentation. Or check out the API documentation.
Please ask your support questions on StackOverflow, or have a quick chat on Gitter.
PHPExcel vs PhpSpreadsheet ?
PhpSpreadsheet is the next version of PHPExcel. It breaks compatibility to dramatically improve the code base quality (namespaces, PSR compliance, use of latest PHP language features, etc.).
Because all efforts have shifted to PhpSpreadsheet, PHPExcel will no longer be maintained. All contributions for PHPExcel, patches and new features, should target PhpSpreadsheet master branch.
Do you need to migrate? There is an automated tool for that.
License
PhpSpreadsheet is licensed under MIT.