Software `/` code `/` prosody-modules

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mod_openid/README.markdown @ 3965:2b10e51d85a6

mod_muc_limits: Add config option to limit to join stanzas only This is a bit more limited in pre-0.11 MUC modules, because it just detects stanzas sent to full JIDs (which would include all presence and nick changes). This option is useful for setups where users are typically unaffiliated, but trusted (e.g. if access to the room is gated through some other means such as password/token auth).

author	Matthew Wild <mwild1@gmail.com>
date	Fri, 03 Apr 2020 12:26:56 +0100
parent	1885:b42eb10dc7d2

rev	line source
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	1 ---
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	2 labels:
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	3 - 'Stage-Alpha'
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	4 summary: Enables Prosody to act as an OpenID provider
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	5 ...
1782 29f3d6b7ad16 Import wiki pages Kim Alvefur <zash@zash.se> parents: diff changeset	6
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	7 Introduction
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	8 ============
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	9
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	10 [OpenID](http://openid.net/) is an decentralized authentication
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	11 mechanism for the Web. mod\_openid turns Prosody into an OpenID
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	12 provider, allowing users to use their Prosody credentials to
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	13 authenticate with various third party websites.
1782 29f3d6b7ad16 Import wiki pages Kim Alvefur <zash@zash.se> parents: diff changeset	14
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	15 Caveats
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	16 =======
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	17
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	18 mod\_openid can best be described as a proof-of-concept, it has
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	19 known deficiencies and should not be used in the wild as a
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	20 legitimate OpenID provider. mod\_openid was developed using the Prosody
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	21 0.4.x series, it has not been tested with the 0.5.x or later series.
1782 29f3d6b7ad16 Import wiki pages Kim Alvefur <zash@zash.se> parents: diff changeset	22
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	23 Details
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	24 =======
1782 29f3d6b7ad16 Import wiki pages Kim Alvefur <zash@zash.se> parents: diff changeset	25
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	26 OpenID works on the basis of a user proving to a third-party they wish
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	27 to authenticate with, an OpenID relaying party, that they have claim
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	28 or ownership over a URL, known as an OpenID identifier. mod\_openid
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	29 uses Prosody's built in HTTP server to provide every user with an OpenID
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	30 identifier of the form `http://host.domain.tld[:port]/openid/user`,
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	31 which would be the OpenID identifier of the user with a Jabber ID of
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	32 `user@host.domain.tld`.
1782 29f3d6b7ad16 Import wiki pages Kim Alvefur <zash@zash.se> parents: diff changeset	33
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	34 Usage
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	35 =====
1782 29f3d6b7ad16 Import wiki pages Kim Alvefur <zash@zash.se> parents: diff changeset	36
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	37 Simply add "mod\_openid" to your modules\_enabled list. You may then use
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	38 the OpenID identifier form as described above as your OpenID identifier.
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	39 The port Prosody's HTTP server will listen on is currently set as 5280,
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	40 meaning the full OpenID identifier of the user `romeo@montague.lit`
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	41 would be `http://montague.lit:5280/openid/romeo`.
1782 29f3d6b7ad16 Import wiki pages Kim Alvefur <zash@zash.se> parents: diff changeset	42
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	43 Configuration
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	44 =============
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	45
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	46 mod\_openid has no configuration options as of this time.
1782 29f3d6b7ad16 Import wiki pages Kim Alvefur <zash@zash.se> parents: diff changeset	47
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	48 TODO
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	49 ====
1782 29f3d6b7ad16 Import wiki pages Kim Alvefur <zash@zash.se> parents: diff changeset	50
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	51 The following is a list of the pending tasks which would have to be done
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	52 to make mod\_openid fully featured. They are generally ranked in order
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	53 of most importance with an estimated degree of difficulty.
1782 29f3d6b7ad16 Import wiki pages Kim Alvefur <zash@zash.se> parents: diff changeset	54
1885 b42eb10dc7d2 mod_openid/README: Convert raw HTML to emphasis Kim Alvefur <zash@zash.se> parents: 1803 diff changeset	55 1. Support Prosody 0.6.x series (Medium)
b42eb10dc7d2 mod_openid/README: Convert raw HTML to emphasis Kim Alvefur <zash@zash.se> parents: 1803 diff changeset	56 2. Refactor code (Medium)
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	57 - The code is pretty messy at the moment, it should be refactored
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	58 to be more easily understood.
1782 29f3d6b7ad16 Import wiki pages Kim Alvefur <zash@zash.se> parents: diff changeset	59
1885 b42eb10dc7d2 mod_openid/README: Convert raw HTML to emphasis Kim Alvefur <zash@zash.se> parents: 1803 diff changeset	60 3. Disable use of "user@domain" OpenID identifier form (Easy)
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	61 - This is a vestigial feature from the early design, allowing
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	62 explicit specification of the JID. However the JID can be
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	63 inferred from the simpler OpenID identifier form.
1782 29f3d6b7ad16 Import wiki pages Kim Alvefur <zash@zash.se> parents: diff changeset	64
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	65 4. Use a cryptographically secure Pseudo Random Number Generator (PRNG)
1885 b42eb10dc7d2 mod_openid/README: Convert raw HTML to emphasis Kim Alvefur <zash@zash.se> parents: 1803 diff changeset	66 (Medium)
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	67 - This would likely be accomplished using luacrypto which provides
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	68 a Lua binding to the OpenSSL PRNG.
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	69
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	70 5. Make sure OpenID key-value pairs get signed in the right order
1885 b42eb10dc7d2 mod_openid/README: Convert raw HTML to emphasis Kim Alvefur <zash@zash.se> parents: 1803 diff changeset	71 (*Hard*)
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	72 - It is important that the OpenID key-value responses be signed in
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	73 the proper order so that the signature can be properly verified
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	74 by the receiving party. This may be complicated by the fact that
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	75 the iterative ordering of keys in a Lua table is not guaranteed
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	76 for non-integer keys.
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	77
1885 b42eb10dc7d2 mod_openid/README: Convert raw HTML to emphasis Kim Alvefur <zash@zash.se> parents: 1803 diff changeset	78 6. Do an actual match on the OpenID realm (Medium)
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	79 - The code currently always returns true for matches against an
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	80 OpenID realm, posing a security risk.
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	81
1885 b42eb10dc7d2 mod_openid/README: Convert raw HTML to emphasis Kim Alvefur <zash@zash.se> parents: 1803 diff changeset	82 7. Don't use plain text authentication over HTTP (*Hard*)
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	83 - This would require some Javascript to perform a digest.
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	84
1885 b42eb10dc7d2 mod_openid/README: Convert raw HTML to emphasis Kim Alvefur <zash@zash.se> parents: 1803 diff changeset	85 8. Return meaningful error responses (Medium)
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	86 - Most error responses are an HTTP 404 File Not Found, obviously
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	87 something more meaningful could be returned.
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	88
1885 b42eb10dc7d2 mod_openid/README: Convert raw HTML to emphasis Kim Alvefur <zash@zash.se> parents: 1803 diff changeset	89 9. Enable Association (*Hard*)
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	90 - Association is a feature of the OpenID specification which
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	91 reduces the number of round-trips needed to perform
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	92 authentication.
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	93
1885 b42eb10dc7d2 mod_openid/README: Convert raw HTML to emphasis Kim Alvefur <zash@zash.se> parents: 1803 diff changeset	94 10. Support HTTPS (Medium)
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	95 - With option to only allow authentication through HTTPS
1782 29f3d6b7ad16 Import wiki pages Kim Alvefur <zash@zash.se> parents: diff changeset	96
1885 b42eb10dc7d2 mod_openid/README: Convert raw HTML to emphasis Kim Alvefur <zash@zash.se> parents: 1803 diff changeset	97 11. Enable OpenID 1.1 compatibility (Medium)
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	98 - mod\_openid is designed from the OpenID 2.0 specification, which
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	99 has an OpenID 1.1 compatibility mode.
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	100
1885 b42eb10dc7d2 mod_openid/README: Convert raw HTML to emphasis Kim Alvefur <zash@zash.se> parents: 1803 diff changeset	101 12. Check specification compliance (Medium)
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	102 - Walk through the code and make sure it complies with the OpenID
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	103 specification. Comment code as necessary with the relevant
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	104 sections in the specification.
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	105
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	106 Once all these steps are done, mod\_openid could be considered to have
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	107 reached "beta" status and ready to real world use. The following are
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	108 features that would be nice to have in a stable release:
1782 29f3d6b7ad16 Import wiki pages Kim Alvefur <zash@zash.se> parents: diff changeset	109
1885 b42eb10dc7d2 mod_openid/README: Convert raw HTML to emphasis Kim Alvefur <zash@zash.se> parents: 1803 diff changeset	110 1. Allow users to always trust realms (*Hard*)
b42eb10dc7d2 mod_openid/README: Convert raw HTML to emphasis Kim Alvefur <zash@zash.se> parents: 1803 diff changeset	111 2. Allow users to remain logged in with a cookie (*Hard*)
b42eb10dc7d2 mod_openid/README: Convert raw HTML to emphasis Kim Alvefur <zash@zash.se> parents: 1803 diff changeset	112 3. Enable simple registration using a user's vCard (Medium)
b42eb10dc7d2 mod_openid/README: Convert raw HTML to emphasis Kim Alvefur <zash@zash.se> parents: 1803 diff changeset	113 4. More useful user identity page (*Hard*)
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	114 - Allow users to alter what realms they trust and what simple
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	115 registration information gets sent to relaying parties by
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	116 default.
1782 29f3d6b7ad16 Import wiki pages Kim Alvefur <zash@zash.se> parents: diff changeset	117
1885 b42eb10dc7d2 mod_openid/README: Convert raw HTML to emphasis Kim Alvefur <zash@zash.se> parents: 1803 diff changeset	118 5. OpenID Bot (*Hard*)
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	119 - Offers all functionality of the user identity page management
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	120
1885 b42eb10dc7d2 mod_openid/README: Convert raw HTML to emphasis Kim Alvefur <zash@zash.se> parents: 1803 diff changeset	121 6. Better designed pages (Easy)
1803 4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	122 - Use semantic XHTML and CSS to allow for custom styling.
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	123 - Use the Prosody favicon.
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	124
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	125 Useful Links
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	126 ============
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	127
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	128 - [OpenID Specifications](http://openid.net/developers/specs/)
4d73a1a6ba68 Convert all wiki pages to Markdown Kim Alvefur <zash@zash.se> parents: 1782 diff changeset	129 - [OpenID on Wikipedia](http://en.wikipedia.org/wiki/OpenID)

prosody-modules

2b10e51d85a6

mod_openid/README.markdown

Software / code / prosody-modules

Annotate

mod_openid/README.markdown @ 3965:2b10e51d85a6

Software `/` code `/` prosody-modules