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EntriesExport/epub: replace epub identifier with unique urn

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We replace the title used as the unique identifier of the epub file with
a urn following the format:

  urn:wallabag:{sha1("wallabagUrl:listOfEntryIdsSeparatedByComma")}

This format is repeatable: it always gives the same uid for the same
list of entries.

Fixes #3811

Signed-off-by: Kevin Decherf <kevin@kdecherf.com>
This commit is contained in:
Kevin Decherf
2019-01-06 18:38:02 +01:00
parent 8f5c4b083c
commit bf22266a62
1 changed files with 8 additions and 2 deletions
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10
src/Wallabag/CoreBundle/Helper/EntriesExport.php
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@ -150,8 +150,6 @@ class EntriesExport
*/
$book->setTitle($this->title);
// Could also be the ISBN number, prefered for published books, or a UUID.
$book->setIdentifier($this->title, EPub::IDENTIFIER_URI);
// Not needed, but included for the example, Language is mandatory, but EPub defaults to "en". Use RFC3066 Language codes, such as "en", "da", "fr" etc.
$book->setLanguage($this->language);
$book->setDescription('Some articles saved on my wallabag');
@ -174,6 +172,8 @@ class EntriesExport
$book->setCoverImage('Cover.png', file_get_contents($this->logoPath), 'image/png');
}
$entryIds = [];
/*
* Adding actual entries
*/
@ -192,8 +192,14 @@ class EntriesExport
$book->addChapter('Title', 'Title.html', $titlepage, true, EPub::EXTERNAL_REF_ADD);
$chapter = $content_start . $entry->getContent() . $bookEnd;
$book->addChapter($entry->getTitle(), htmlspecialchars($filename) . '.html', $chapter, true, EPub::EXTERNAL_REF_ADD);
$entryIds[] = $entry->getId();
}
// Could also be the ISBN number, prefered for published books, or a UUID.
$hash = sha1(sprintf('%s:%s', $this->wallabagUrl, implode(',', $entryIds)));
$book->setIdentifier(sprintf('urn:wallabag:%s', $hash), EPub::IDENTIFIER_URI);
$book->buildTOC();
return Response::create(