Mercurial > prosody-modules

annotate mod_openid/README.markdown @ 3239:796c98e8e666

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_candy: Remove, outdated. Consider mod_conversejs instead.
author Matthew Wild <mwild1@gmail.com>
date Sat, 18 Aug 2018 18:17:42 +0100
parents b42eb10dc7d2
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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)