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Add back in helpful description for missing url_preview_ip_range_blacklist

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This commit is contained in:
Erik Johnston 2016-04-13 13:52:57 +01:00
parent d0633e6dbe
commit bfe586843f
1 changed files with 5 additions and 1 deletions
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6
synapse/config/repository.py
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@ -88,7 +88,11 @@ class ContentRepositoryConfig(Config):
config["url_preview_ip_range_blacklist"]
)
else:
raise ConfigError("url_preview_url_blacklist is required")
raise ConfigError(
"For security, you must specify an explicit target IP address "
"blacklist in url_preview_ip_range_blacklist for url previewing "
"to work"
)
if "url_preview_url_blacklist" in config:
self.url_preview_url_blacklist = config["url_preview_url_blacklist"]