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Merge branch 'xep-0377' into premerge

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Jonas Schäfer 2021-06-22 17:03:25 +02:00
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xep-0377.xml
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@ -13,7 +13,7 @@
</abstract>
&LEGALNOTICE;
<number>0377</number>
<status>Deferred</status>
<status>Experimental</status>
<type>Standards Track</type>
<sig>Standards</sig>
<approver>Council</approver>
@ -26,6 +26,12 @@
<supersededby/>
<shortname>NOT_YET_ASSIGNED</shortname>
&sam;
<revision>
<version>0.3</version>
<date>2021-06-21</date>
<initials>ssw</initials>
<remark>Rework based on list feedback.</remark>
</revision>
<revision>
<version>0.2</version>
<date>2017-09-11</date>
@ -49,75 +55,84 @@
<p>
Many spam and abuse prevention techniques rely on users being able to report
other users who are sending unwanted messages, or specific instances of
abuse. &xep0191; allows users to block spammers, but does not provide a
mechanism for them to report a reason for the block to the server operator.
abuse.
&xep0191; allows users to block spammers, but does not provide a mechanism
for them to report a reason for the block to the server operator.
This specification extends the blocking command to optionally provide an
abuse report.
</p>
</section1>
<section1 topic='Background' anchor='background'>
<p>
This document extends the blocking command instead of providing a separate
reporting IQ because we hypothesize that this will slightly lower the levels
of false reports received by service operators.
We have observed a common pattern on the internet where a user becomes mad
at or disagrees with another user and begins harassing them by replying to
or reporting their every comment even if it is not itself spam or abusive.
However, this sort of behavior cannot continue if the harasser can no longer
read the messages of the person they are stalking.
Giving them a choice between their abusive behavior and being able to
read their targets can possibly force them to break the cycle and only
create valid reports.
</p>
</section1>
<section1 topic='Discovering Support' anchor='disco'>
<p>
Entities that support &xep0030; and abuse reporting MUST respond to service
discovery requests with a feature of 'urn:xmpp:reporting:0' and with a
feature for each reason supported by the responding entity as described in
the relavant specifications. Eg. a response from a server that supports
reporting and understands the abuse and spam reasons defined later in this
specification might look like the following:
Entities that support &xep0030; and abuse reporting using the blocking
command as defined in this spec MUST respond to service discovery requests
with a feature of 'urn:xmpp:reporting:1'.
Support for this namespace also indicates support for the abuse reporting
reasons defined in this document.
For example, a response from a server that supports reporting and
understands the abuse and spam reasons defined later in this specification
might look like the following:
</p>
<example caption="Service discovery information response"><![CDATA[
<iq from='shakespeare.lit'
<iq from='example.net'
id='ku6e51v3'
to='kingclaudius@shakespeare.lit/castle'
to='kingclaudius@example.net/castle'
type='result'>
<query xmlns='http://jabber.org/protocol/disco#info'>
<feature var='urn:xmpp:reporting:0'/>
<feature var='urn:xmpp:reporting:reason:abuse:0'/>
<feature var='urn:xmpp:reporting:reason:spam:0'/>
<feature var='urn:xmpp:reporting:1'/>
…
</query>
</iq>]]></example>
</section1>
<section1 topic='Payload' anchor='payload'>
<p>
The payload for reporting abuse to the server takes the form of a
&lt;report/&gt; qualified by the 'urn:xmpp:reporting:0' namespace &VNOTE;.
Report payloads are reusable and MUST NOT be sent without first being
wrapped in a stanza.
&lt;report/&gt; qualified by the 'urn:xmpp:reporting:1' namespace &VNOTE;.
</p>
<example caption='The most basic report payload'><![CDATA[
<report xmlns="urn:xmpp:reporting:0" />]]></example>
<report xmlns="urn:xmpp:reporting:1" reason="urn:xmpp:reporting:spam"/>]]></example>
<p>
Abuse reports MAY include a reason for the report and servers MUST tolerate
unknown XML elements in a report without making assumptions about the
semantic meaning of unknown elements.
Abuse reports MUST include a reason for the report in the "reason" attribute.
</p>
<p>
This document defines the following reasons for a report:
</p>
<dl>
<di>
<dt>&lt;spam/&gt;</dt>
<dt>urn:xmpp:reporting:spam</dt>
<dd>Used for reporting a JID that is sending unwanted messages.</dd>
</di>
<di>
<dt>&lt;abuse/&gt;</dt>
<dt>urn:xmpp:reporting:abuse</dt>
<dd>Used for reporting general abuse.</dd>
</di>
</dl>
<p>
Clients MUST include only one reason per report.
</p>
<p>
Reports MAY contain a user provided message explaining or providing context
about the reason for the report. See also the
<link url='#i18n'>Internationalization Considerations</link> section of this
document.
about the reason for the report.
See also the <link url='#i18n'>Internationalization Considerations</link>
section of this document.
</p>
<example caption='Report with optional reason and text'><![CDATA[
<report xmlns="urn:xmpp:reporting:0">
<report xmlns="urn:xmpp:reporting:1" reason="urn:xmpp:reporting:spam">
<text xml:lang="en">
Never came trouble to my house like this.
</text>
<spam/>
</report>]]></example>
</section1>
<section1 topic='Use with the Blocking Command' anchor='blocking'>
@ -127,27 +142,57 @@
For example:
</p>
<example caption='Report sent with blocking command'><![CDATA[
<iq from='juliet@capulet.com/chamber' type='set' id='block1'>
<iq from='juliet@example.com/chamber' type='set' id='block1'>
<block xmlns='urn:xmpp:blocking'>
<item jid='romeo@montague.net'>
<report xmlns="urn:xmpp:reporting:0">
<abuse/>
</report>
<item jid='romeo@example.net'>
<report xmlns="urn:xmpp:reporting:1" reason="urn:xmpp:reporting:abuse"/>
</item>
</block>
</iq>]]></example>
<p>
Servers that receive a blocking command with a report MUST block the JID or
return an error just as they would if no report were present. Servers then
MAY take other actions based on the report, however, such actions are
outside the scope of this document.
return an error just as they would if no report were present.
Servers then MAY take other actions based on the report, however, such
actions are outside the scope of this document.
</p>
<p>
If the server supports &xep0313; the report MAY also include the stanza-id
of specific messages being reported.
This is done by including copies of each &lt;stanza-id/&gt; element that the
user wishes to report as a child of the &lt;report/&gt; element.
The stanza indicated by the provided stanza-id SHOULD be by the same JID
being reported and blocked.
</p>
<example caption='Report sent with stanza IDs'><![CDATA[
<iq from='juliet@example.com/chamber' type='set' id='block1'>
<block xmlns='urn:xmpp:blocking'>
<item jid='romeo@example.net'>
<report xmlns="urn:xmpp:reporting:1" reason="urn:xmpp:reporting:spam">
<stanza-id xmlns='urn:xmpp:sid:0' by='romeo@example.net' id='28482-98726-73623'/>
<stanza-id xmlns='urn:xmpp:sid:0' by='romeo@example.net' id='38383-38018-18385'/>
<text xml:lang="en">
Never came trouble to my house like this.
</text>
</report>
</item>
</block>
</iq>]]></example>
</section1>
<section1 topic='Implementation Notes' anchor='impl'>
<p>
Clients that support sending reports as part of the blocking command SHOULD
expose interfaces to both block a JID without reporting it as abusive, and
to block and report a JID.
expose interfaces to both block a JID without reporting it as abuse, and to
block and report a JID.
</p>
<p>
The blocking command may be used to block multiple JIDs at the same time.
When blocking multiple JIDs any abuse report only applies to a single JID.
If the client allows selecting multiple JIDs in an abuse reporting dialog
they SHOULD also allow choosing a separate reason, text, and messages for
each JID.
They MAY choose to only allow reporting a single JID at a time as well when
the "block and report" dialog is accessed, and multiple JIDs when the
"block" dialog is accessed.
</p>
</section1>
<section1 topic='Internationalization Considerations' anchor='i18n'>
@ -170,7 +215,7 @@
<section2 topic='Protocol Namespaces' anchor='registrar-ns'>
<p>This specification defines the following XML namespace:</p>
<ul>
<li>urn:xmpp:reporting:0</li>
<li>urn:xmpp:reporting:1</li>
</ul>
<p>
Upon advancement of this specification from a status of Experimental to
@ -188,15 +233,13 @@
All abuse report reason registrations shall be defined in separate
specifications (not in this document). Application types defined within
the XEP series MUST be registered with the XMPP Registrar, resulting in
protocol URNs of the form "urn:xmpp:reporting:reason:name:X" (where
"name" is the registered name of the reason and "X" is a non-negative
integer).
protocol URNs representing the reason.
</p>
&REGPROCESS;
<code>
<![CDATA[<reason>
<name>The name of the abuse report reason.</name>
<urn>urn:xmpp:reporting:reason:{name}:{ver}</urn>
<name>The human-readable name of the abuse report reason.</name>
<feature>URN representing the reason.</feature>
<desc>A natural-language summary of the reason.</desc>
<doc>
The document in which the report reason is specified.
@ -206,8 +249,8 @@
<section2 topic='Abuse Reporting Reasons' anchor='registrar-reasons'>
<p>This specification defines the following abuse reporting reasons:</p>
<ul>
<li>urn:xmpp:reporting:reason:spam:0</li>
<li>urn:xmpp:reporting:reason:abuse:0</li>
<li>urn:xmpp:reporting:spam</li>
<li>urn:xmpp:reporting:abuse</li>
</ul>
<p>
Upon advancement of this specification from a status of Experimental to
@ -216,15 +259,15 @@
</p>
<code><![CDATA[
<reason>
<name>Spam</name>
<urn>urn:xmpp:reporting:reason:spam:0</urn>
<name>spam</name>
<feature>urn:xmpp:reporting:spam</feature>
<desc>Used to report a JID that was sending spam messages.</desc>
<doc>XEP-0377</doc>
</reason>]]></code>
<code><![CDATA[
<reason>
<name>Abuse</name>
<urn>urn:xmpp:reporting:reason:abuse:0</urn>
<name>abuse</name>
<feature>urn:xmpp:reporting:abuse</feature>
<desc>Used to report general abuse that is not covered by a more specific reason.</desc>
<doc>XEP-0377</doc>
</reason>]]></code>
@ -243,5 +286,9 @@
Stout, and Matthew Wild. A special thanks to Daniel Wisnewski for giving
the presentation that kicked off the anti-abuse work.
</p>
<p>
Thanks also (in no particular order) to Jonas Wielicki, Georg Lukas,
Daniel Gultsch, and Matthew Wild for their feedback.
</p>
</section1>
</xep>