annotate mod_storage_s3/mod_storage_s3.lua @ 5675:17ea26cf7259

mod_storage_s3: Use '@' as placeholder for empty (host) store slots Used when the server stores things for itself.
author Kim Alvefur <zash@zash.se>
date Sat, 14 Oct 2023 22:49:57 +0200
parents 51d0311747fa
children 799f69a5921a
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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 uuid = require "prosody.util.uuid";
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8 local it = require "prosody.util.iterators";
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9 local jid = require "prosody.util.jid";
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10 local json = require "prosody.util.json";
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11 local st = require "prosody.util.stanza";
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12 local xml = require "prosody.util.xml";
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13 local url = require "socket.url";
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14
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15 local new_uuid = uuid.v7 or uuid.generate;
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16 local hmac_sha256 = hashes.hmac_sha256;
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17 local sha256 = hashes.sha256;
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18
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19 local driver = {};
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20
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21 local bucket = module:get_option_string("s3_bucket", "prosody");
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22 local base_uri = module:get_option_string("s3_base_uri", "http://localhost:9000");
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23 local region = module:get_option_string("s3_region", "us-east-1");
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24
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25 local access_key = module:get_option_string("s3_access_key");
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26 local secret_key = module:get_option_string("s3_secret_key");
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27
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28 function driver:open(store, typ)
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29 local mt = self[typ or "keyval"]
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30 if not mt then
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31 return nil, "unsupported-store";
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32 end
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33 return setmetatable({ store = store; bucket = bucket; type = typ }, mt);
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34 end
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35
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36 local keyval = { };
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37 driver.keyval = { __index = keyval; __name = module.name .. " keyval store" };
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38
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39 local aws4_format = "AWS4-HMAC-SHA256 Credential=%s/%s, SignedHeaders=%s, Signature=%s";
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40
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41 local function new_request(method, path, query, payload)
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42 local request = url.parse(base_uri);
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43 request.path = path;
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44
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45 local payload_type = nil;
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46 if st.is_stanza(payload) then
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47 payload_type = "application/xml";
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48 payload = tostring(payload);
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49 elseif payload ~= nil then
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50 payload_type = "application/json";
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51 payload = json.encode(payload);
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52 end
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53
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54 local payload_hash = sha256(payload or "", true);
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55
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56 local now = os.time();
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57 local aws_datetime = os.date("!%Y%m%dT%H%M%SZ", now);
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58 local aws_date = os.date("!%Y%m%d", now);
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59
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60 local headers = {
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61 ["Accept"] = "*/*";
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62 ["Authorization"] = nil;
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63 ["Content-Type"] = payload_type;
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64 ["Host"] = request.authority;
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65 ["User-Agent"] = "Prosody XMPP Server";
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66 ["X-Amz-Content-Sha256"] = payload_hash;
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67 ["X-Amz-Date"] = aws_datetime;
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68 };
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69
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70 local canonical_uri = url.build({ path = request.path });
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71 local canonical_query = "";
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72 local canonical_headers = array();
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73 local signed_headers = array()
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74
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75 if query then
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76 local sorted_query = array();
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77 for name, value in it.sorted_pairs(query) do
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78 sorted_query:push({ name = name; value = value });
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79 end
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80 sorted_query:sort(function (a,b) return a.name < b.name end)
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81 canonical_query = httputil.formencode(sorted_query):gsub("%%%x%x", string.upper);
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82 request.query = canonical_query;
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83 end
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84
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85 for header_name, header_value in it.sorted_pairs(headers) do
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86 header_name = header_name:lower();
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87 canonical_headers:push(header_name .. ":" .. header_value .. "\n");
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88 signed_headers:push(header_name);
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89 end
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90
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91 canonical_headers = canonical_headers:concat();
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92 signed_headers = signed_headers:concat(";");
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93
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94 local scope = aws_date .. "/" .. region .. "/s3/aws4_request";
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95
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96 local canonical_request = method .. "\n"
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97 .. canonical_uri .. "\n"
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98 .. canonical_query .. "\n"
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99 .. canonical_headers .. "\n"
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100 .. signed_headers .. "\n"
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101 .. payload_hash;
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102
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103 local signature_payload = "AWS4-HMAC-SHA256" .. "\n" .. aws_datetime .. "\n" .. scope .. "\n" .. sha256(canonical_request, true);
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104
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105 -- This can be cached?
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106 local date_key = hmac_sha256("AWS4" .. secret_key, aws_date);
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107 local date_region_key = hmac_sha256(date_key, region);
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108 local date_region_service_key = hmac_sha256(date_region_key, "s3");
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109 local signing_key = hmac_sha256(date_region_service_key, "aws4_request");
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110
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111 local signature = hmac_sha256(signing_key, signature_payload, true);
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112
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113 headers["Authorization"] = string.format(aws4_format, access_key, scope, signed_headers, signature);
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114
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115 return http.request(url.build(request), { method = method; headers = headers; body = payload });
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116 end
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117
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118 -- coerce result back into Prosody data type
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119 local function on_result(response)
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120 if response.code >= 400 then
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121 error(response.body);
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122 end
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123 local content_type = response.headers["content-type"];
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124 if content_type == "application/json" then
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125 return json.decode(response.body);
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126 elseif content_type == "application/xml" then
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parents:
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127 return xml.parse(response.body);
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
128 elseif content_type == "application/x-www-form-urlencoded" then
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
129 return httputil.formdecode(response.body);
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
130 else
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
131 response.log("warn", "Unknown response data type %s", content_type);
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
132 return response.body;
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
133 end
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
134 end
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
135
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
136 function keyval:_path(key)
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
137 return url.build_path({
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
138 is_absolute = true;
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
139 bucket;
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
140 jid.escape(module.host);
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
141 jid.escape(self.store);
5675
17ea26cf7259 mod_storage_s3: Use '@' as placeholder for empty (host) store slots
Kim Alvefur <zash@zash.se>
parents: 5674
diff changeset
142 jid.escape(key or "@");
5669
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
143 })
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
144 end
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
145
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
146 function keyval:get(user)
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
147 return async.wait_for(new_request("GET", self:_path(user)):next(on_result));
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
148 end
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
149
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
150 function keyval:set(user, data)
5671
c8322c64a548 mod_storage_s3: Implement keyvalue deletion
Kim Alvefur <zash@zash.se>
parents: 5670
diff changeset
151
c8322c64a548 mod_storage_s3: Implement keyvalue deletion
Kim Alvefur <zash@zash.se>
parents: 5670
diff changeset
152 if data == nil or (type(data) == "table" and next(data) == nil) then
c8322c64a548 mod_storage_s3: Implement keyvalue deletion
Kim Alvefur <zash@zash.se>
parents: 5670
diff changeset
153 return async.wait_for(new_request("DELETE", self:_path(user)));
c8322c64a548 mod_storage_s3: Implement keyvalue deletion
Kim Alvefur <zash@zash.se>
parents: 5670
diff changeset
154 end
c8322c64a548 mod_storage_s3: Implement keyvalue deletion
Kim Alvefur <zash@zash.se>
parents: 5670
diff changeset
155
c8322c64a548 mod_storage_s3: Implement keyvalue deletion
Kim Alvefur <zash@zash.se>
parents: 5670
diff changeset
156 return async.wait_for(new_request("PUT", self:_path(user), nil, data));
5669
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
157 end
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
158
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
159 function keyval:users()
5672
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5671
diff changeset
160 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: 5671
diff changeset
161 local prefix = url.build_path({ jid.escape(module.host); jid.escape(self.store); is_directory = true });
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5671
diff changeset
162 local list_result, err = async.wait_for(new_request("GET", bucket_path, { prefix = prefix }))
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5671
diff changeset
163 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: 5671
diff changeset
164 return nil, err;
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5671
diff changeset
165 end
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5671
diff changeset
166 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: 5671
diff changeset
167 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: 5671
diff changeset
168 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: 5671
diff changeset
169 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: 5671
diff changeset
170 end
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5671
diff changeset
171 local keys = array();
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5671
diff changeset
172 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: 5671
diff changeset
173 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: 5671
diff changeset
174 keys:push(jid.unescape(key[3]));
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5671
diff changeset
175 end
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5671
diff changeset
176 return function()
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5671
diff changeset
177 return keys:pop();
c74a96dc5d58 mod_storage_s3: Implement iteration of keyvalue keys (users usually)
Kim Alvefur <zash@zash.se>
parents: 5671
diff changeset
178 end
5669
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
179 end
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
diff changeset
180
5673
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
181 local archive = {};
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
182 driver.archive = { __index = archive };
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
183
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
184 archive.caps = {
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
185 };
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
186
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
187 function archive:_path(username, date, when, with, key)
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
188 return url.build_path({
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
189 is_absolute = true;
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
190 bucket;
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
191 jid.escape(module.host);
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
192 jid.escape(self.store);
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
193 jid.escape(username);
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
194 jid.escape(jid.prep(with));
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
195 date or dt.date(when);
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
196 key;
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
197 })
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
198 end
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
199
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
200
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
201 -- PUT .../with/when/id
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
202 function archive:append(username, key, value, when, with)
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
203 local wrapper = st.stanza("wrapper");
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
204 -- Minio had trouble with timestamps, probably the ':' characters, in paths.
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
205 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: 5672
diff changeset
206 wrapper:add_direct_child(value);
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
207 key = key or new_uuid();
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
208 return async.wait_for(new_request("PUT", self:_path(username, nil, when, with, key), nil, wrapper):next(function(r)
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
209 if r.code == 200 then
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
210 return key;
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
211 else
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
212 error(r.body);
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
213 end
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
214 end));
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
215 end
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
216
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
217 function archive:find(username, query)
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
218 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: 5672
diff changeset
219 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: 5672
diff changeset
220 table.insert(prefix, jid.escape(username or "@"));
5674
51d0311747fa mod_storage_s3: Handle archive query without parameters
Kim Alvefur <zash@zash.se>
parents: 5673
diff changeset
221 if not query then
51d0311747fa mod_storage_s3: Handle archive query without parameters
Kim Alvefur <zash@zash.se>
parents: 5673
diff changeset
222 query = {};
51d0311747fa mod_storage_s3: Handle archive query without parameters
Kim Alvefur <zash@zash.se>
parents: 5673
diff changeset
223 end
5673
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
224 if query["with"] then
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
225 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: 5672
diff changeset
226 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: 5672
diff changeset
227 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: 5672
diff changeset
228 end
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
229 end
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
230
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
231 prefix = url.build_path(prefix);
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
232 local list_result, err = async.wait_for(new_request("GET", bucket_path, {
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
233 prefix = prefix;
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
234 ["max-keys"] = query["max"] and tostring(query["max"]);
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
235 }));
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
236 if err or list_result.code ~= 200 then
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
237 return nil, err;
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
238 end
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
239 local list_bucket_result = xml.parse(list_result.body);
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
240 if list_bucket_result:get_child_text("IsTruncated") == "true" then
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
241 local max_keys = list_bucket_result:get_child_text("MaxKeys");
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
242 module:log("warn", "Paging truncated results not implemented, max %s %s returned", max_keys, self.store);
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
243 end
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
244 local keys = array();
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
245 local iterwrap = function(...)
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
246 return ...;
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
247 end
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
248 if query["reverse"] then
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
249 query["before"], query["after"] = query["after"], query["before"];
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
250 iterwrap = it.reverse;
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
251 end
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
252 local found = not query["after"];
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
253 for content in iterwrap(list_bucket_result:childtags("Contents")) do
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
254 local key = url.parse_path(content:get_child_text("Key"));
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
255 if found and query["before"] == key[6] then
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
256 break
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
257 end
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
258 if (not query["with"] or query["with"] == jid.unescape(key[5]))
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
259 and (not query["start"] or dt.date(query["start"]) >= key[6])
b17ba149b7c5 mod_storage_s3: Implement Archive storage
Kim Alvefur <zash@zash.se>
parents: 5672
diff changeset
260 and (not query["end"] or dt.date(query["end"]) <= key[6])
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261 and found then
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262 keys:push({ key = key[6]; date = key[5]; with = jid.unescape(key[4]) });
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263 end
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264 if not found and key[6] == query["after"] then
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265 found = not found
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266 end
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267 end
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268 local i = 0;
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269 return function()
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270 i = i + 1;
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271 local item = keys[i];
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272 if item == nil then
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273 return nil;
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274 end
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275 -- luacheck: ignore 431/err
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276 local value, err = async.wait_for(new_request("GET", self:_path(username or "@", item.date, nil, item.with, item.key)):next(on_result));
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277 if not value then
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278 module:log("error", "%s", err);
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279 return nil;
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280 end
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281 local delay = value:get_child("delay", "urn:xmpp:delay");
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282
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283 return item.key, value.tags[2], dt.parse(delay.attr.stamp), item.with;
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284 end
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285 end
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286
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287 function archive:users()
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288 return it.unique(keyval.users(self));
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289 end
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290
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291 --[[ TODO
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292 function archive:delete(username, query)
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293 return nil, "not-implemented";
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294 end
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295 --]]
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296
5669
30f91daa40b4 mod_storage_s3: Beginnings of an experimental S3 storage driver
Kim Alvefur <zash@zash.se>
parents:
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297 module:provides("storage", driver);