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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</b></div>
<div id="bugreport" align=right><a href="mailto:petsc-maint@mcs.anl.gov?subject=Typo or Error in Documentation &body=Please describe the typo or error in the documentation: petsc-3.7.5 v3.7.5 docs/manualpages/Sys/PetscGoogleDriveAuthorize.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PetscGoogleDriveAuthorize"><H1>PetscGoogleDriveAuthorize</H1></A>
Get authorization and refresh token for accessing Google drive from PETSc
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
PetscErrorCode PetscGoogleDriveAuthorize(MPI_Comm comm,char access_token[],char refresh_token[],size_t tokensize)
</PRE>
Not collective, only the first process in <A HREF="../Sys/MPI_Comm.html#MPI_Comm">MPI_Comm</A> does anything
<P>
<H3><FONT COLOR="#CC3333">Input Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>comm </B></TD><TD>- the MPI communicator
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>tokensize </B></TD><TD>- size of the token arrays
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>access_token </B></TD><TD>- can be used with <A HREF="../Sys/PetscGoogleDriveUpload.html#PetscGoogleDriveUpload">PetscGoogleDriveUpload</A>() for this one session
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>refresh_token </B></TD><TD>- can be used for ever to obtain new access_tokens with <A HREF="../Sys/PetscGoogleDriveRefresh.html#PetscGoogleDriveRefresh">PetscGoogleDriveRefresh</A>(), guard this like a password
it gives access to your Google Drive
</TD></TR></TABLE>
<P>
Notes: This call requires stdout and stdin access from process 0 on the MPI communicator
<P>
You can run src/sys/webclient/examples/tutorials/googleobtainrefreshtoken to get a refresh token and then in the future pass it to
PETSc programs with -google_refresh_token XXX
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Sys/PetscGoogleDriveRefresh.html#PetscGoogleDriveRefresh">PetscGoogleDriveRefresh</A>(), <A HREF="../Sys/PetscGoogleDriveUpload.html#PetscGoogleDriveUpload">PetscGoogleDriveUpload</A>(), <A HREF="../Sys/PetscURLShorten.html#PetscURLShorten">PetscURLShorten</A>()
<BR>
<P>
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/sys/webclient/google.c.html#PetscGoogleDriveAuthorize">src/sys/webclient/google.c</A>
<BR><A HREF="./index.html">Index of all Sys routines</A>
<BR><A HREF="../../index.html">Table of Contents for all manual pages</A>
<BR><A HREF="../singleindex.html">Index of all manual pages</A>
<A HREF="../../../src/sys/webclient/examples/tutorialsgoogleobtainrefreshtoken.c.html">src/sys/webclient/examples/tutorialsgoogleobtainrefreshtoken.c.html</A><BR>
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