Software / code / prosody
Annotate
util/jsonpointer.lua @ 12319:8fc3c06f922d
prosodyctl: check dns: List discovered addresses for diagnostic purposes
It is very common to get the "unknown address" warning with this command, but
people do not always understand it, or know how to debug it. Now we clearly
show the addresses that prosodyctl discovered.
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Wed, 02 Mar 2022 16:02:42 +0000 |
| parent | 12131:b4c0efff8dd3 |
| child | 12496:87c3d45208ef |
| rev | line source |
|---|---|
|
12131
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
1 local function unescape_token(escaped_token) |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
2 local unescaped = escaped_token:gsub("~1", "/"):gsub("~0", "~") |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
3 return unescaped |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
4 end |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
5 |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
6 local function resolve_json_pointer(ref, path) |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
7 local ptr_len = #path + 1 |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
8 for part, pos in path:gmatch("/([^/]*)()") do |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
9 local token = unescape_token(part) |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
10 if not (type(ref) == "table") then |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
11 return nil |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
12 end |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
13 local idx = next(ref) |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
14 local new_ref |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
15 |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
16 if type(idx) == "string" then |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
17 new_ref = ref[token] |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
18 elseif math.type(idx) == "integer" then |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
19 local i = tonumber(token) |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
20 if token == "-" then |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
21 i = #ref + 1 |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
22 end |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
23 new_ref = ref[i] |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
24 else |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
25 return nil, "invalid-table" |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
26 end |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
27 |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
28 if pos == ptr_len then |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
29 return new_ref |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
30 elseif type(new_ref) == "table" then |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
31 ref = new_ref |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
32 elseif not (type(ref) == "table") then |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
33 return nil, "invalid-path" |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
34 end |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
35 |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
36 end |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
37 return ref |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
38 end |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
39 |
|
b4c0efff8dd3
util.jsonpointer: Resolve JSON Pointers per RFC 6901
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
40 return { resolve = resolve_json_pointer } |
