backblaze

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backblaze b2 CORS With CORS, before making a non-simple cr ... Adding CORS rules to your bucket tells B ... CORS rules only affect B2 operations in ... cli sudo pip install --upgrade b2 b2 update-bucket --corsRules <json> b2 update-bucket --corsRules '[ { ...
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CORS User Link
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With CORS, before making a non-simple cross-origin request, a browser makes a "preflight" request to ask the server if it's ok to make the cross-origin request
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Adding CORS rules to your bucket tells B2 which preflight requests to approve
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CORS rules only affect B2 operations in their "allowedOperations" list. Every rule must specify at least one in their allowedOperations. So far, only the two upload and two download operations are supported.
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cli
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sudo pip install --upgrade b2
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b2
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update-bucket
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--corsRules <json>
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b2 update-bucket --corsRules '[
{
"corsRuleName": "downloadFromAnyOrigin",
"allowedOrigins": [
"https"
],
"allowedHeaders": ["accept"],
"allowedOperations": [
"b2_download_file_by_id",
"b2_download_file_by_name"
],
"exposeHeaders": ["x-bz-content-sha1"],
"maxAgeSeconds": 3600
}
]' markbook allPublic