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Ensure that a URL exists in the content during push. (#8965)

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This fixes an KeyError exception, after this PR the content
is just considered unknown.
This commit is contained in:
Patrick Cloke 2020-12-18 07:26:15 -05:00 committed by GitHub
parent a7a913918c
commit 4136255d3c
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3 changed files with 7 additions and 2 deletions
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1
changelog.d/8965.bugfix Normal file
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@ -0,0 +1 @@
Fix a longstanding bug where a `m.image` event without a `url` would cause errors on push.

6
synapse/push/mailer.py
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@ -486,7 +486,11 @@ class Mailer:
def add_image_message_vars(
self, messagevars: Dict[str, Any], event: EventBase
) -> None:
messagevars["image_url"] = event.content["url"]
"""
Potentially add an image URL to the message variables.
"""
if "url" in event.content:
messagevars["image_url"] = event.content["url"]
async def make_summary_text(
self,

2
synapse/res/templates/notif.html
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@ -29,7 +29,7 @@
{{ message.body_text_html }}
{%- elif message.msgtype == "m.notice" %}
{{ message.body_text_html }}
{%- elif message.msgtype == "m.image" %}
{%- elif message.msgtype == "m.image" and message.image_url %}
<img src="{{ message.image_url|mxc_to_http(640, 480, scale) }}" />
{%- elif message.msgtype == "m.file" %}
<span class="filename">{{ message.body_text_plain }}</span>