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https://issues.apache.org/jira/browse/GUACAMOLE-1831?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17741327#comment-17741327
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Mike Jumper commented on GUACAMOLE-1831:
----------------------------------------
{quote}
I've tested a two ways copy/paste with Chrome browser between iOS application
and Guacamole interface with remote Linux: nothing works.
{quote}
Are you're referring to iOS Chrome (which is actually effectively Safari with a
Chrome skin due to restrictions enforced by Apple on third-party web browsers)
or a desktop version of Chrome?
{quote}
When using online editing Google Docs (running under HTML5) : copy/paste works
fine with Safari and Chrome.
When using paint.sumo.app online (running under HTML5) : copy/paste works fine
with Safari and Chrome.
{quote}
There are different technical requirements for accessing clipboard with
applications where handling that data happens 100% locally (the apps cited
above) and applications where this must occur remotely (Guacamole). The API
that Guacamole uses for clipboard access is the "Asynchronous Clipboard API":
https://developer.mozilla.org/en-US/docs/Web/API/Clipboard_API
This can only work if:
* The browser supports it (most do, with the partial exception of Firefox):
https://caniuse.com/async-clipboard
* You are using HTTPS (browsers may block access to any site not served over
HTTPS).
* You grant permission (your browser should prompt you whether you wish to
allow access). If you deny access, accidentally or otherwise, Guacamole will
not be able to read or write to your clipboard until you change that setting.
If the browser you're using does not fully support the Asynchronous Clipboard
API, you will have to use the clipboard editor in the Guacamole menu if you
want to transfer data in/out of the local clipboard. There is simply no other
way for an application like Guacamole to use your local clipboard.
See: https://guacamole.apache.org/faq/#local-clipboard
There is also a discussion in our FAQ regarding the type of clipboard access
used by the applications you mentioned and why it absolutely cannot be used for
an application providing remote access like Guacamole:
https://guacamole.apache.org/faq/#copy-paste-events
Based on (1) the description provided thus far and (2) the fact that we
ourselves and others use clipboard on a daily basis within Guacamole without
any issue (see: https://guacamole.apache.org/faq/#probably-not-a-bug), I
strongly suspect that the issue at hand is simply that the browser you're using
does not fully support the necessary API.
> Copy Paste between iOS and Guacamole with Safari not working
> ------------------------------------------------------------
>
> Key: GUACAMOLE-1831
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-1831
> Project: Guacamole
> Issue Type: Bug
> Components: guacamole
> Affects Versions: 1.5.2
> Reporter: Stephane LAGARDE
> Priority: Minor
>
> Copy text in Guacamole+Linux OK but paste in iOS applications not working
> Copy text in iOS applications OK but paste in Guacamole+Linux not working
> Between NoMachine and iOS : copy/paste works fine
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