version 1.1, 2019/05/02 02:12:19
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version 1.2, 2019/05/02 20:28:18
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Line 41 Called in course context by course perso
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Line 41 Called in course context by course perso
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privilege or with view-only access to course editing tools. |
privilege or with view-only access to course editing tools. |
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Query string contains one item: name=exturl, value=URL of external resource |
Query string contains one item: name=exturl, value=URL of external resource |
(format: http://hostname/path or https://hostname/path). |
(format: http://hostname/path or https://hostname/path). |
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The resource URL is sent to &loncommon::is_nonframeable() to check whether |
The resource URL is sent to &loncommon::is_nonframeable() to check whether |
it can be displayed in an iframe in a page served by the current host. |
it can be displayed in an iframe in a page served by the current host. |
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=head1 OVERVIEW |
=head1 OVERVIEW |
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Line 53 Input: external resource URL (from query
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Line 53 Input: external resource URL (from query
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Hostname, lonHostID, and IP address for this node are retrieved from Apache. |
Hostname, lonHostID, and IP address for this node are retrieved from Apache. |
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Dependencies: calls &loncommon::is_nonframeable() to check if server where |
Dependencies: calls &loncommon::is_nonframeable() to check if server where |
external resource is hosted is configured with a Content-Security-Policy or |
external resource is hosted is configured with a Content-Security-Policy or |
with X-Frame-options settings which prohibit display of the resource within |
with X-Frame-options settings which prohibit display of the resource within |
an iframe in a LON-CAPA page served from this node. |
an iframe in a LON-CAPA page served from this node. |
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Output to print buffer: (content-type: text/plain): 1, 0, -1 or empty string. |
Output to print buffer: (content-type: text/plain): 1, 0, -1 or empty string. |
'' -- display in iframe is allowed |
'' -- display in iframe is allowed |
1 -- display in iframe not allowed |
1 -- display in iframe not allowed |
0 -- invalid URL |
0 -- invalid URL |
-1 -- could not verify course editing privilege or view-only access to |
-1 -- could not verify course editing privilege or view-only access to |
course editing tools |
course editing tools |
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HTTP Return codes: |
HTTP Return codes: |
406 -- if user is not in a course |
406 -- if user is not in a course |
200 -- otherwise |
200 -- otherwise |
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