prosody-modules
80702e33ba71
mod_storage_s3/mod_storage_s3.lua

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mod_storage_s3/mod_storage_s3.lua @ 5751:80702e33ba71

mod_storage_s3: Fix storing archives for host itself (e.g. mod_audit) Fixes error due to path constructor trying to do string.gsub(nil) with missing username or with fields.
author Kim Alvefur <zash@zash.se>
date Wed, 22 Nov 2023 12:56:50 +0100
parent 5723:9de7a1b36efb
child 5755:e8938a3166d2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 local http = require "prosody.net.http";
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2 local array = require "prosody.util.array";
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3 local async = require "prosody.util.async";
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4 local dt = require "prosody.util.datetime";
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5 local hashes = require "prosody.util.hashes";
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6 local httputil = require "prosody.util.http";
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7 local it = require "prosody.util.iterators";
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8 local jid = require "prosody.util.jid";
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9 local json = require "prosody.util.json";
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10 local promise = require "prosody.util.promise";
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11 local st = require "prosody.util.stanza";
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12 local uuid = require "prosody.util.uuid";
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13 local xml = require "prosody.util.xml";
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14 local url = require "socket.url";
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15
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16 local new_uuid = uuid.v7 or uuid.generate;
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17 local hmac_sha256 = hashes.hmac_sha256;
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18 local sha256 = hashes.sha256;
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19
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20 local driver = {};
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21
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22 local bucket = module:get_option_string("s3_bucket", "prosody");
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23 local base_uri = module:get_option_string("s3_base_uri", "http://localhost:9000");
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24 local region = module:get_option_string("s3_region", "us-east-1");
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25
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26 local access_key = module:get_option_string("s3_access_key");
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27 local secret_key = module:get_option_string("s3_secret_key");
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29 local aws4_format = "AWS4-HMAC-SHA256 Credential=%s/%s, SignedHeaders=%s, Signature=%s";
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30
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31 local function aws_auth(event)
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32 local request, options = event.request, event.options;
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33 local method = options.method or "GET";
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34 local query = options.query;
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35 local payload = options.body;
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36
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37 local payload_type = nil;
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38 if st.is_stanza(payload) then
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39 payload_type = "application/xml";
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40 payload = tostring(payload);
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41 elseif payload ~= nil then
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42 payload_type = "application/json";
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43 payload = json.encode(payload);
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44 end
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45 options.body = payload;
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47 local payload_hash = sha256(payload or "", true);
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48
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49 local now = os.time();
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50 local aws_datetime = os.date("!%Y%m%dT%H%M%SZ", now);
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51 local aws_date = os.date("!%Y%m%d", now);
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52
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53 local headers = {
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54 ["Accept"] = "*/*";
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55 ["Authorization"] = nil;
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56 ["Content-Type"] = payload_type;
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57 ["Host"] = request.authority;
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58 ["User-Agent"] = "Prosody XMPP Server";
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59 ["X-Amz-Content-Sha256"] = payload_hash;
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60 ["X-Amz-Date"] = aws_datetime;
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61 };
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62
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63 local canonical_uri = url.build({ path = request.path });
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64 local canonical_query = "";
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65 local canonical_headers = array();
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66 local signed_headers = array()
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67
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68 if query then
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69 local sorted_query = array();
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70 for name, value in it.sorted_pairs(query) do
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71 sorted_query:push({ name = name; value = value });
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72 end
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73 sorted_query:sort(function (a,b) return a.name < b.name end)
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74 canonical_query = httputil.formencode(sorted_query):gsub("%%%x%x", string.upper);
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75 request.query = canonical_query;
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76 end
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77
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78 for header_name, header_value in it.sorted_pairs(headers) do
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79 header_name = header_name:lower();
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80 canonical_headers:push(header_name .. ":" .. header_value .. "\n");
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81 signed_headers:push(header_name);
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82 end
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83
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84 canonical_headers = canonical_headers:concat();
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85 signed_headers = signed_headers:concat(";");
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86
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87 local scope = aws_date .. "/" .. region .. "/s3/aws4_request";
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88
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89 local canonical_request = method .. "\n"
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90 .. canonical_uri .. "\n"
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91 .. canonical_query .. "\n"
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92 .. canonical_headers .. "\n"
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93 .. signed_headers .. "\n"
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94 .. payload_hash;
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95
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96 local signature_payload = "AWS4-HMAC-SHA256" .. "\n" .. aws_datetime .. "\n" .. scope .. "\n" .. sha256(canonical_request, true);
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97
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98 -- This can be cached?
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99 local date_key = hmac_sha256("AWS4" .. secret_key, aws_date);
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100 local date_region_key = hmac_sha256(date_key, region);
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101 local date_region_service_key = hmac_sha256(date_region_key, "s3");
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102 local signing_key = hmac_sha256(date_region_service_key, "aws4_request");
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103
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104 local signature = hmac_sha256(signing_key, signature_payload, true);
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105
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106 headers["Authorization"] = string.format(aws4_format, access_key, scope, signed_headers, signature);
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107
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108 options.headers = headers;
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109 end
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110
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111 function driver:open(store, typ)
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112 local mt = self[typ or "keyval"]
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113 if not mt then
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114 return nil, "unsupported-store";
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115 end
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116 local httpclient = http.new({ connection_pooling = true });
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117 httpclient.events.add_handler("pre-request", aws_auth);
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118 return setmetatable({ store = store; bucket = bucket; type = typ; http = httpclient }, mt);
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119 end
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120
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121 local keyval = { };
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122 driver.keyval = { __index = keyval; __name = module.name .. " keyval store" };
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123
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124 local function new_request(self, method, path, query, payload)
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parents: 5699
diff changeset
125 local request = url.parse(base_uri);
b4632d5f840b mod_storage_s3: Move request signing into a net.http hook
Kim Alvefur <zash@zash.se>
parents: 5699
diff changeset
126 request.path = path;
b4632d5f840b mod_storage_s3: Move request signing into a net.http hook
Kim Alvefur <zash@zash.se>
parents: 5699
diff changeset
127
b4632d5f840b mod_storage_s3: Move request signing into a net.http hook
Kim Alvefur <zash@zash.se>
parents: 5699
diff changeset
128 return self.http:request(url.build(request), { method = method; body = payload; query = query });
5692
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
129 end
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
130
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
131 -- coerce result back into Prosody data type
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
132 local function on_result(response)
5699
799f69a5921a mod_storage_s3: Treat 404 to GET as a signal for empty data
Kim Alvefur <zash@zash.se>
parents: 5698
diff changeset
133 if response.code == 404 and response.request.method == "GET" then
799f69a5921a mod_storage_s3: Treat 404 to GET as a signal for empty data
Kim Alvefur <zash@zash.se>
parents: 5698
diff changeset
134 return nil;
799f69a5921a mod_storage_s3: Treat 404 to GET as a signal for empty data
Kim Alvefur <zash@zash.se>
parents: 5698
diff changeset
135 end
5696
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
136 if response.code >= 400 then
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
137 error(response.body);
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
138 end
5692
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
139 local content_type = response.headers["content-type"];
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
140 if content_type == "application/json" then
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
141 return json.decode(response.body);
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
142 elseif content_type == "application/xml" then
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
143 return xml.parse(response.body);
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
144 elseif content_type == "application/x-www-form-urlencoded" then
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
145 return httputil.formdecode(response.body);
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
146 else
5722
83a2fb6df746 mod_storage_s3: Fix logging
Kim Alvefur <zash@zash.se>
parents: 5721
diff changeset
147 module:log("warn", "Unknown response data type %s", content_type);
5692
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
148 return response.body;
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
149 end
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
150 end
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
151
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
152 function keyval:_path(key)
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
153 return url.build_path({
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
154 is_absolute = true;
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
155 bucket;
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
156 jid.escape(module.host);
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
157 jid.escape(self.store);
5698
17ea26cf7259 mod_storage_s3: Use '@' as placeholder for empty (host) store slots
Kim Alvefur <zash@zash.se>
parents: 5697
diff changeset
158 jid.escape(key or "@");
5692
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
159 })
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
160 end
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
161
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
162 function keyval:get(user)
5718
b4632d5f840b mod_storage_s3: Move request signing into a net.http hook
Kim Alvefur <zash@zash.se>
parents: 5699
diff changeset
163 return async.wait_for(new_request(self, "GET", self:_path(user)):next(on_result));
5692
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
164 end
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
165
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
166 function keyval:set(user, data)
5694
c8322c64a548 mod_storage_s3: Implement keyvalue deletion
Kim Alvefur <zash@zash.se>
parents: 5693
diff changeset
167
c8322c64a548 mod_storage_s3: Implement keyvalue deletion
Kim Alvefur <zash@zash.se>
parents: 5693
diff changeset
168 if data == nil or (type(data) == "table" and next(data) == nil) then
5718
b4632d5f840b mod_storage_s3: Move request signing into a net.http hook
Kim Alvefur <zash@zash.se>
parents: 5699
diff changeset
169 return async.wait_for(new_request(self, "DELETE", self:_path(user)));
5694
c8322c64a548 mod_storage_s3: Implement keyvalue deletion
Kim Alvefur <zash@zash.se>
parents: 5693
diff changeset
170 end
c8322c64a548 mod_storage_s3: Implement keyvalue deletion
Kim Alvefur <zash@zash.se>
parents: 5693
diff changeset
171
5718
b4632d5f840b mod_storage_s3: Move request signing into a net.http hook
Kim Alvefur <zash@zash.se>
parents: 5699
diff changeset
172 return async.wait_for(new_request(self, "PUT", self:_path(user), nil, data));
5692
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
173 end
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
174
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
175 function keyval:users()
5695
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5694
diff changeset
176 local bucket_path = url.build_path({ is_absolute = true; bucket; is_directory = true });
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5694
diff changeset
177 local prefix = url.build_path({ jid.escape(module.host); jid.escape(self.store); is_directory = true });
5718
b4632d5f840b mod_storage_s3: Move request signing into a net.http hook
Kim Alvefur <zash@zash.se>
parents: 5699
diff changeset
178 local list_result, err = async.wait_for(new_request(self, "GET", bucket_path, { prefix = prefix }))
5695
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5694
diff changeset
179 if err or list_result.code ~= 200 then
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5694
diff changeset
180 return nil, err;
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5694
diff changeset
181 end
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5694
diff changeset
182 local list_bucket_result = xml.parse(list_result.body);
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5694
diff changeset
183 if list_bucket_result:get_child_text("IsTruncated") == "true" then
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5694
diff changeset
184 local max_keys = list_bucket_result:get_child_text("MaxKeys");
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5694
diff changeset
185 module:log("warn", "Paging truncated results not implemented, max %s %s returned", max_keys, self.store);
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5694
diff changeset
186 end
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5694
diff changeset
187 local keys = array();
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5694
diff changeset
188 for content in list_bucket_result:childtags("Contents") do
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5694
diff changeset
189 local key = url.parse_path(content:get_child_text("Key"));
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5694
diff changeset
190 keys:push(jid.unescape(key[3]));
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5694
diff changeset
191 end
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5694
diff changeset
192 return function()
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5694
diff changeset
193 return keys:pop();
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5694
diff changeset
194 end
5692
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
195 end
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
196
5696
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
197 local archive = {};
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
198 driver.archive = { __index = archive };
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
199
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
200 archive.caps = {
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
201 };
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
202
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
203 function archive:_path(username, date, when, with, key)
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
204 return url.build_path({
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
205 is_absolute = true;
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
206 bucket;
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
207 jid.escape(module.host);
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
208 jid.escape(self.store);
5751
80702e33ba71 mod_storage_s3: Fix storing archives for host itself (e.g. mod_audit)
Kim Alvefur <zash@zash.se>
parents: 5723
diff changeset
209 jid.escape(username or "@");
80702e33ba71 mod_storage_s3: Fix storing archives for host itself (e.g. mod_audit)
Kim Alvefur <zash@zash.se>
parents: 5723
diff changeset
210 jid.escape(with and jid.prep(with) or "@");
5696
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
211 date or dt.date(when);
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
212 key;
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
213 })
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
214 end
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
215
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
216
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
217 -- PUT .../with/when/id
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
218 function archive:append(username, key, value, when, with)
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
219 local wrapper = st.stanza("wrapper");
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
220 -- Minio had trouble with timestamps, probably the ':' characters, in paths.
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
221 wrapper:tag("delay", { xmlns = "urn:xmpp:delay"; stamp = dt.datetime(when) }):up();
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
222 wrapper:add_direct_child(value);
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
223 key = key or new_uuid();
5718
b4632d5f840b mod_storage_s3: Move request signing into a net.http hook
Kim Alvefur <zash@zash.se>
parents: 5699
diff changeset
224 return async.wait_for(new_request(self, "PUT", self:_path(username, nil, when, with, key), nil, wrapper):next(function(r)
5696
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
225 if r.code == 200 then
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
226 return key;
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
227 else
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
228 error(r.body);
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
229 end
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
230 end));
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
231 end
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
232
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
233 function archive:find(username, query)
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
234 local bucket_path = url.build_path({ is_absolute = true; bucket; is_directory = true });
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
235 local prefix = { jid.escape(module.host); jid.escape(self.store); is_directory = true };
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
236 table.insert(prefix, jid.escape(username or "@"));
5697
51d0311747fa mod_storage_s3: Handle archive query without parameters
Kim Alvefur <zash@zash.se>
parents: 5696
diff changeset
237 if not query then
51d0311747fa mod_storage_s3: Handle archive query without parameters
Kim Alvefur <zash@zash.se>
parents: 5696
diff changeset
238 query = {};
51d0311747fa mod_storage_s3: Handle archive query without parameters
Kim Alvefur <zash@zash.se>
parents: 5696
diff changeset
239 end
5696
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
240 if query["with"] then
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
241 table.insert(prefix, sha256(jid.prep(query["with"]), true):sub(1,24));
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
242 if query["start"] and query["end"] and dt.date(query["start"]) == dt.date(query["end"]) then
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
243 table.insert(prefix, sha256(jid.prep(query["with"]), true):sub(1,24));
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
244 end
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
245 end
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
246
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
247 prefix = url.build_path(prefix);
5718
b4632d5f840b mod_storage_s3: Move request signing into a net.http hook
Kim Alvefur <zash@zash.se>
parents: 5699
diff changeset
248 local list_result, err = async.wait_for(new_request(self, "GET", bucket_path, {
5696
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
249 prefix = prefix;
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
250 ["max-keys"] = query["max"] and tostring(query["max"]);
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
251 }));
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
252 if err or list_result.code ~= 200 then
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
253 return nil, err;
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
254 end
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
255 local list_bucket_result = xml.parse(list_result.body);
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256 if list_bucket_result:get_child_text("IsTruncated") == "true" then
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257 local max_keys = list_bucket_result:get_child_text("MaxKeys");
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258 module:log("warn", "Paging truncated results not implemented, max %s %s returned", max_keys, self.store);
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259 end
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260 local keys = array();
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261 local iterwrap = function(...)
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262 return ...;
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263 end
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264 if query["reverse"] then
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265 query["before"], query["after"] = query["after"], query["before"];
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266 iterwrap = it.reverse;
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267 end
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268 local found = not query["after"];
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269 for content in iterwrap(list_bucket_result:childtags("Contents")) do
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270 local key = url.parse_path(content:get_child_text("Key"));
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271 if found and query["before"] == key[6] then
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272 break
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273 end
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274 if (not query["with"] or query["with"] == jid.unescape(key[5]))
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275 and (not query["start"] or dt.date(query["start"]) >= key[6])
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276 and (not query["end"] or dt.date(query["end"]) <= key[6])
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277 and found then
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278 keys:push({ key = key[6]; date = key[5]; with = jid.unescape(key[4]) });
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279 end
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diff changeset
280 if not found and key[6] == query["after"] then
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diff changeset
281 found = not found
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282 end
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283 end
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diff changeset
284 local i = 0;
5719
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285 local function get_next()
5696
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286 i = i + 1;
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287 local item = keys[i];
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288 if item == nil then
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289 return nil;
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290 end
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291 -- luacheck: ignore 431/err
5718
b4632d5f840b mod_storage_s3: Move request signing into a net.http hook
Kim Alvefur <zash@zash.se>
parents: 5699
diff changeset
292 local value, err = async.wait_for(new_request(self, "GET", self:_path(username or "@", item.date, nil, item.with, item.key)):next(on_result));
5696
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293 if not value then
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diff changeset
294 module:log("error", "%s", err);
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295 return nil;
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296 end
5719
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diff changeset
297 local when = dt.parse(value:get_child_attr("delay", "urn:xmpp:delay", "stamp"));
5696
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298
5719
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diff changeset
299 if (not query["start"] or query["start"] >= when) and (not query["end"] or query["end"] <= when) then
66986f5271c3 mod_storage_s3: Skip archive items matching on date but not full datetime
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parents: 5718
diff changeset
300 return item.key, value.tags[2], when, item.with;
66986f5271c3 mod_storage_s3: Skip archive items matching on date but not full datetime
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diff changeset
301 else
66986f5271c3 mod_storage_s3: Skip archive items matching on date but not full datetime
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diff changeset
302 -- date was correct but not the time
66986f5271c3 mod_storage_s3: Skip archive items matching on date but not full datetime
Kim Alvefur <zash@zash.se>
parents: 5718
diff changeset
303 return get_next();
66986f5271c3 mod_storage_s3: Skip archive items matching on date but not full datetime
Kim Alvefur <zash@zash.se>
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diff changeset
304 end
5696
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diff changeset
305 end
5719
66986f5271c3 mod_storage_s3: Skip archive items matching on date but not full datetime
Kim Alvefur <zash@zash.se>
parents: 5718
diff changeset
306 return get_next;
5696
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diff changeset
307 end
b17ba149b7c5 mod_storage_s3: Implement Archive storage
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parents: 5695
diff changeset
308
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Kim Alvefur <zash@zash.se>
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diff changeset
309 function archive:users()
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diff changeset
310 return it.unique(keyval.users(self));
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diff changeset
311 end
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diff changeset
312
5720
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Kim Alvefur <zash@zash.se>
parents: 5719
diff changeset
313 local function count(t) local n = 0; for _ in pairs(t) do n = n + 1; end return n; end
4a0279c5c7ed mod_storage_s3: Implement archive store deletion
Kim Alvefur <zash@zash.se>
parents: 5719
diff changeset
314
5696
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diff changeset
315 function archive:delete(username, query)
5720
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Kim Alvefur <zash@zash.se>
parents: 5719
diff changeset
316 local deletions = {};
4a0279c5c7ed mod_storage_s3: Implement archive store deletion
Kim Alvefur <zash@zash.se>
parents: 5719
diff changeset
317 for key, _, when, with in self:find(username, query) do
4a0279c5c7ed mod_storage_s3: Implement archive store deletion
Kim Alvefur <zash@zash.se>
parents: 5719
diff changeset
318 deletions[key] = new_request(self, "DELETE", self:_path(username or "@", dt.date(when), nil, with, key));
4a0279c5c7ed mod_storage_s3: Implement archive store deletion
Kim Alvefur <zash@zash.se>
parents: 5719
diff changeset
319 end
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Kim Alvefur <zash@zash.se>
parents: 5719
diff changeset
320 return async.wait_for(promise.all(deletions):next(count));
5696
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5695
diff changeset
321 end
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parents: 5695
diff changeset
322
5692
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
323 module:provides("storage", driver);