libreoffice-online/wsd/reference.txt
Jan Holesovsky 7f49b1eba6 PutFile ext: X-LOOL-WOPI-IsAutosave header to indicate autosave + unit test.
Change-Id: I65ed711dae5100467fe6ed9902bd7bad8c7f8d68
Reviewed-on: https://gerrit.libreoffice.org/43074
Reviewed-by: Jan Holesovsky <kendy@collabora.com>
Tested-by: Jan Holesovsky <kendy@collabora.com>
2017-10-03 12:04:18 +02:00

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LibreOffice Online API
=======================
Document conversion:
- API: HTTP POST to /lool/convert-to/<format>
- the format is e.g. "png", "pdf" or "txt"
- the file itself in the payload
- example
- curl -F "data=@test.txt" https://localhost:9980/lool/convert-to/docx > out.docx
- or in html:
<form action="https://localhost:9980/lool/convert-to/docx" enctype="multipart/form-data" method="post">
File: <input type="file" name="data"><br/>
<input type="submit" value="Convert to DOCX">
</form>
- alternatively you can omit the <format>, and instead
provide it as another parameter
- example
- curl -F "data=@test.odt" -F "format=pdf" https://localhost:9980/lool/convert-to > out.pdf
- or in html:
<form action="https://localhost:9980/lool/convert-to" enctype="multipart/form-data" method="post">
File: <input type="file" name="data"><br/>
Format: <input type="text" name="format"><br/>
<input type="submit" value="Convert">
</form>
WOPI Extensions
===============
LibreOffice Online uses WOPI protocol to interact with hosts who wants to
integrate LibreOffice Online in them.
Refer to WOPI docs[https://wopi.readthedocs.io/en/latest/] for detailed
information. This documentation only mentions extensions to upstream WOPI protocol,
WOPI extensions, that are implemented by LibreOffice Online backend in addition to
upstream WOPI protocol.
(Please note that upstream WOPI implementation is also not 100% complete)
CheckFileInfo response properties
----------------------------------
HidePrintOption
If set to true, hides the print option from the filemenu bar in the UI
HideSaveOption
If set to true, hides the save button from the toolbar and file menubar
in the UI
HideExportOption
Hides 'Download as' option in the file menubar
DisablePrint
Disables print functionality in libreoffice online backend. If true,
HidePrintOption is assumed to be true
DisableExport
Disables export functionality in backend. If set to true,
HideExportOption is assumed to be true
DisableCopy
Disables copying from the document in libreoffice online
backend. Pasting into the document would still be possible.
However, it is still possible to do an "internal" cut/copy/paste.
DisableInactiveMessages
Disables displaying of the explanation text on the overlay when the
document becomes inactive or killed. With this, the JS integration
must provide the user with appropriate message when it gets
Session_Closed or User_Idle postMessage's.
EnableOwnerTermination
If set to true, it allows the document owner (the one with OwnerId =
UserId) to send a 'closedocument' message (see protocol.txt)
WatermarkText
If set to a non-empty string, is used for rendering a watermark-like
text on each tile of the document
Note that it is possible to just hide print,save,export options while still
being able to access them from WOPI hosts using PostMessage API (see loleaflet/reference.html)
Alternative authentication possibility
--------------------------------------
Instead of the 'access_token', it is possible to pass an 'access_header' at
the places where the 'access_token' would be used in the initial iframe setup.
The 'access_header' can be eg. of a form
Authorization: Basic abcd1234==
This header is then used in all the WOPI calls like PutFile, GetFile or
CheckFileInfo, allowing Basic authentication to work.
PutFile headers
---------------
PutFile additionally indicates whether the user has modified the document
before the save, or if they just pressed the Save button without any
modification. The following header:
X-LOOL-WOPI-IsModifiedByUser
will have the value 'true' or 'false' accordingly.
To distinguish autosave vs. explicit user requests to save, the following
header:
X-LOOL-WOPI-IsAutosave
will have the value 'true' when the PutFile is triggered by autosave, and
'false' when triggered by explicit user operation (Save button or menu entry).