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# InfoExceptions are for displaying information to the user.
#
# An InfoException might or might not indicate that something went wrong.
# Historically Invidious didn't differentiate between these two options, so to
# maintain previous functionality InfoExceptions do not print backtraces.
class InfoException < Exception
end
macro error_template(*args)
error_template_helper(env, locale, {{*args}})
end
def github_details(summary : String, content : String)
details = %(\n<details>)
details += %(\n<summary>#{summary}</summary>)
details += %(\n<p>)
details += %(\n \n```\n)
details += content.strip
details += %(\n```)
details += %(\n</p>)
details += %(\n</details>)
return HTML.escape(details)
end
def error_template_helper(env : HTTP::Server::Context, locale : Hash(String, JSON::Any) | Nil, status_code : Int32, exception : Exception)
if exception.is_a?(InfoException)
return error_template_helper(env, locale, status_code, exception.message || "")
end
env.response.content_type = "text/html"
env.response.status_code = status_code
issue_template = %(Title: `#{exception.message} (#{exception.class})`)
issue_template += %(\nDate: `#{Time::Format::ISO_8601_DATE_TIME.format(Time.utc)}`)
issue_template += %(\nRoute: `#{env.request.resource}`)
issue_template += %(\nVersion: `#{SOFTWARE["version"]} @ #{SOFTWARE["branch"]}`)
# issue_template += github_details("Preferences", env.get("preferences").as(Preferences).to_pretty_json)
issue_template += github_details("Backtrace", exception.inspect_with_backtrace)
error_message = <<-END_HTML
Looks like you've found a bug in Invidious. Please open a new issue
<a href="https://github.com/iv-org/invidious/issues">on GitHub</a>
and include the following text in your message:
<pre style="padding: 20px; background: rgba(0, 0, 0, 0.12345);">#{issue_template}</pre>
END_HTML
next_steps = error_redirect_helper(env, locale)
return templated "error"
end
def error_template_helper(env : HTTP::Server::Context, locale : Hash(String, JSON::Any) | Nil, status_code : Int32, message : String)
env.response.content_type = "text/html"
env.response.status_code = status_code
error_message = translate(locale, message)
next_steps = error_redirect_helper(env, locale)
return templated "error"
end
macro error_atom(*args)
error_atom_helper(env, locale, {{*args}})
end
def error_atom_helper(env : HTTP::Server::Context, locale : Hash(String, JSON::Any) | Nil, status_code : Int32, exception : Exception)
if exception.is_a?(InfoException)
return error_atom_helper(env, locale, status_code, exception.message || "")
end
env.response.content_type = "application/atom+xml"
env.response.status_code = status_code
return "<error>#{exception.inspect_with_backtrace}</error>"
end
def error_atom_helper(env : HTTP::Server::Context, locale : Hash(String, JSON::Any) | Nil, status_code : Int32, message : String)
env.response.content_type = "application/atom+xml"
env.response.status_code = status_code
return "<error>#{message}</error>"
end
macro error_json(*args)
error_json_helper(env, locale, {{*args}})
end
def error_json_helper(env : HTTP::Server::Context, locale : Hash(String, JSON::Any) | Nil, status_code : Int32, exception : Exception, additional_fields : Hash(String, Object) | Nil)
if exception.is_a?(InfoException)
return error_json_helper(env, locale, status_code, exception.message || "", additional_fields)
end
env.response.content_type = "application/json"
env.response.status_code = status_code
error_message = {"error" => exception.message, "errorBacktrace" => exception.inspect_with_backtrace}
if additional_fields
error_message = error_message.merge(additional_fields)
end
return error_message.to_json
end
def error_json_helper(env : HTTP::Server::Context, locale : Hash(String, JSON::Any) | Nil, status_code : Int32, exception : Exception)
return error_json_helper(env, locale, status_code, exception, nil)
end
def error_json_helper(env : HTTP::Server::Context, locale : Hash(String, JSON::Any) | Nil, status_code : Int32, message : String, additional_fields : Hash(String, Object) | Nil)
env.response.content_type = "application/json"
env.response.status_code = status_code
error_message = {"error" => message}
if additional_fields
error_message = error_message.merge(additional_fields)
end
return error_message.to_json
end
def error_json_helper(env : HTTP::Server::Context, locale : Hash(String, JSON::Any) | Nil, status_code : Int32, message : String)
error_json_helper(env, locale, status_code, message, nil)
end
def error_redirect_helper(env : HTTP::Server::Context, locale : Hash(String, JSON::Any) | Nil)
request_path = env.request.path
if request_path.starts_with?("/search") || request_path.starts_with?("/watch") ||
request_path.starts_with?("/channel") || request_path.starts_with?("/playlist?list=PL")
next_steps_text = translate(locale, "next_steps_error_message")
refresh = translate(locale, "next_steps_error_message_refresh")
go_to_youtube = translate(locale, "next_steps_error_message_go_to_youtube")
switch_instance = translate(locale, "Switch Invidious Instance")
return <<-END_HTML
<p style="margin-bottom: 4px;">#{next_steps_text}</p>
<ul>
<li>
<a href="#{env.request.resource}">#{refresh}</a>
</li>
<li>
<a href="/redirect?referer=#{env.get("current_page")}">#{switch_instance}</a>
</li>
<li>
<a href="https://youtube.com#{env.request.resource}">#{go_to_youtube}</a>
</li>
</ul>
END_HTML
return next_step_html
else
return ""
end
end
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