Implementing very basic federation including test setup

2024-12-23 19:31:33 +00:00 · 2019-12-27 18:25:07 +01:00 · 2019-12-27 18:25:07 +01:00 · 74c02c5359
commit 74c02c5359
parent b6c297766b
12 changed files with 605 additions and 140 deletions
--- a/docker/federation-test/docker-compose.yml
+++ b/docker/federation-test/docker-compose.yml
@ -0,0 +1,74 @@
+version: '3.3'
+
+services:
+  lemmy_alpha:
+    build:
+      context: ../../
+      dockerfile: docker/dev/Dockerfile
+    ports:
+      - "127.0.0.1:8536:8536"
+    environment:
+      - LEMMY_HOSTNAME=localhost:8536
+      - LEMMY_DATABASE_URL=postgres://lemmy:password@lemmy_db_alpha:5432/lemmy
+      - LEMMY_JWT_SECRET=changeme
+      - LEMMY_FRONT_END_DIR=/app/dist
+      - LEMMY_FEDERATION_ENABLED=true
+      - LEMMY_FEDERATED_INSTANCE=lemmy_beta:8537
+      - LEMMY_PORT=8536
+    restart: always
+    depends_on:
+      - lemmy_db_alpha
+  lemmy_db_alpha:
+    image: postgres:12-alpine
+    environment:
+      - POSTGRES_USER=lemmy
+      - POSTGRES_PASSWORD=${LEMMY_DATABASE_PASSWORD}
+      - POSTGRES_DB=lemmy
+    restart: always
+  lemmy_pictshare_alpha:
+    image: shtripok/pictshare:latest
+    ports:
+      - "127.0.0.1:8540:80"
+    volumes:
+      - lemmy_pictshare_alpha:/usr/share/nginx/html/data
+    restart: always
+
+  lemmy_beta:
+    build:
+      context: ../../
+      dockerfile: docker/dev/Dockerfile
+    ports:
+      - "127.0.0.1:8537:8537"
+    environment:
+      - LEMMY_HOSTNAME=localhost:8537
+      - LEMMY_DATABASE_URL=postgres://lemmy:password@lemmy_db_beta:5432/lemmy
+      - LEMMY_JWT_SECRET=changeme
+      - LEMMY_FRONT_END_DIR=/app/dist
+      - LEMMY_FEDERATION_ENABLED=true
+      - LEMMY_FEDERATED_INSTANCE=lemmy_alpha:8536
+      - LEMMY_PORT=8537
+    restart: always
+    depends_on:
+      - lemmy_db_beta
+  lemmy_db_beta:
+    image: postgres:12-alpine
+    environment:
+      - POSTGRES_USER=lemmy
+      - POSTGRES_PASSWORD=${LEMMY_DATABASE_PASSWORD}
+      - POSTGRES_DB=lemmy
+    volumes:
+      - lemmy_db_beta:/var/lib/postgresql/data
+    restart: always
+  lemmy_pictshare_beta:
+    image: shtripok/pictshare:latest
+    ports:
+      - "127.0.0.1:8541:80"
+    volumes:
+      - lemmy_pictshare_beta:/usr/share/nginx/html/data
+    restart: always
+
+volumes:
+  lemmy_db_alpha:
+  lemmy_pictshare_alpha:
+  lemmy_db_beta:
+  lemmy_pictshare_beta:
--- a/server/Cargo.lock
+++ b/server/Cargo.lock
@ -59,7 +59,7 @@ dependencies = [
 "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
 "crossbeam-channel 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 "derive_more 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 "hashbrown 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
@ -79,7 +79,7 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
 "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
@ -95,7 +95,7 @@ dependencies = [
 "actix-utils 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
 "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "either 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
 "tokio-current-thread 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
@ -114,10 +114,10 @@ dependencies = [
 "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
 "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
 "mime 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "mime_guess 2.0.0-alpha.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mime_guess 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "v_htmlescape 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@ -145,7 +145,7 @@ dependencies = [
 "encoding_rs 0.8.17 (registry+https://github.com/rust-lang/crates.io-index)",
 "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 "flate2 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 "h2 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
 "hashbrown 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
@ -157,7 +157,7 @@ dependencies = [
 "mime 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
 "percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "rand 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.97 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde_urlencoded 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
@ -178,7 +178,7 @@ dependencies = [
 "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
 "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.97 (registry+https://github.com/rust-lang/crates.io-index)",
 "string 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@ -190,7 +190,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "actix-threadpool 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "copyless 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 "tokio-current-thread 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "tokio-executor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
 "tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
@ -205,7 +205,7 @@ dependencies = [
 "actix-rt 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
 "actix-server-config 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "actix-service 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
 "mio 0.6.19 (registry+https://github.com/rust-lang/crates.io-index)",
 "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
@ -223,7 +223,7 @@ name = "actix-server-config"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
 "tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@ -233,7 +233,7 @@ name = "actix-service"
 version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

 [[package]]
@ -242,7 +242,7 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "derive_more 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
 "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
@ -259,7 +259,7 @@ dependencies = [
 "actix-service 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
 "either 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
 "tokio-current-thread 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "tokio-timer 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
@ -284,13 +284,13 @@ dependencies = [
 "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
 "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "encoding_rs 0.8.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 "hashbrown 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
 "mime 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
 "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.97 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde_urlencoded 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
@ -308,7 +308,7 @@ dependencies = [
 "actix-http 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
 "actix-web 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
 "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

 [[package]]
@ -345,7 +345,7 @@ dependencies = [

 [[package]]
 name = "aho-corasick"
-version = "0.7.4"
+version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@ -356,6 +356,14 @@ name = "arc-swap"
 version = "0.3.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"

+[[package]]
+name = "arrayvec"
+version = "0.4.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "nodrop 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "ascii_utils"
 version = "0.9.3"
@ -386,7 +394,7 @@ dependencies = [
 "base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
 "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
 "mime 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
 "percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
@ -527,6 +535,7 @@ version = "0.4.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "either 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

@ -584,6 +593,32 @@ dependencies = [
 "yaml-rust 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

+[[package]]
+name = "cookie"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "cookie_store"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cookie 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "idna 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "publicsuffix 1.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.97 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "try_from 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "copyless"
 version = "0.1.4"
@ -620,6 +655,36 @@ dependencies = [
 "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

+[[package]]
+name = "crossbeam-deque"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "crossbeam-epoch 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "crossbeam-epoch"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "arrayvec 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memoffset 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "crossbeam-queue"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "crossbeam-utils"
 version = "0.6.5"
@ -703,7 +768,7 @@ dependencies = [
 "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
 "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 "syn 0.15.40 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@ -766,7 +831,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

 [[package]]
@ -881,10 +946,18 @@ dependencies = [
 "atty 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
 "humantime 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "termcolor 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

+[[package]]
+name = "error-chain"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "failure"
 version = "0.1.5"
@ -968,9 +1041,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"

 [[package]]
 name = "futures"
-version = "0.1.28"
+version = "0.1.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"

+[[package]]
+name = "futures-cpupool"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "generic-array"
 version = "0.12.3"
@ -996,7 +1078,7 @@ dependencies = [
 "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
 "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
 "indexmap 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
@ -1058,6 +1140,17 @@ dependencies = [
 "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

+[[package]]
+name = "http-body"
+version = "0.1.0"
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+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-buf 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "httparse"
 version = "1.3.4"
@ -1071,6 +1164,47 @@ dependencies = [
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 ]

+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+ "h2 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http-body 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "httparse 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-buf 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-threadpool 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "want 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper 0.12.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "native-tls 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "ident_case"
 version = "1.0.1"
@ -1086,6 +1220,16 @@ dependencies = [
 "unicode-normalization 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

+[[package]]
+name = "idna"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-normalization 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "indexmap"
 version = "1.0.2"
@ -1186,7 +1330,8 @@ dependencies = [
 "lettre 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "lettre_email 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "rand 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "reqwest 0.9.24 (registry+https://github.com/rust-lang/crates.io-index)",
 "rss 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.97 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
@ -1303,6 +1448,14 @@ name = "memchr"
 version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"

+[[package]]
+name = "memoffset"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "migrations_internals"
 version = "1.4.0"
@ -1331,13 +1484,11 @@ dependencies = [

 [[package]]
 name = "mime_guess"
-version = "2.0.0-alpha.6"
+version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "mime 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
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- "unicase 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicase 2.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

 [[package]]
@ -1433,6 +1584,11 @@ dependencies = [
 "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

+[[package]]
+name = "nodrop"
+version = "0.1.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "nom"
 version = "4.2.3"
@ -1616,39 +1772,9 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"

 [[package]]
-name = "phf"
-version = "0.7.24"
+name = "percent-encoding"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "phf_shared 0.7.24 (registry+https://github.com/rust-lang/crates.io-index)",
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-
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- "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
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-[[package]]
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-version = "0.7.24"
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- "unicase 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]

 [[package]]
 name = "pkg-config"
@ -1684,6 +1810,18 @@ dependencies = [
 "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

+[[package]]
+name = "publicsuffix"
+version = "1.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "error-chain 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "idna 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "quick-error"
 version = "1.2.2"
@ -1905,14 +2043,13 @@ dependencies = [

 [[package]]
 name = "regex"
-version = "1.2.0"
+version = "1.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "aho-corasick 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "aho-corasick 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex-syntax 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex-syntax 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
 "thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "utf8-ranges 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

 [[package]]
@ -1922,11 +2059,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"

 [[package]]
 name = "regex-syntax"
-version = "0.6.10"
+version = "0.6.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "ucd-util 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
-]

 [[package]]
 name = "remove_dir_all"
@ -1936,6 +2070,39 @@ dependencies = [
 "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

+[[package]]
+name = "reqwest"
+version = "0.9.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cookie 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cookie_store 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "encoding_rs 0.8.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "flate2 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper 0.12.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper-tls 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mime 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mime_guess 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "native-tls 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.97 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_urlencoded 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-threadpool 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "uuid 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winreg 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "resolv-conf"
 version = "0.6.2"
@ -2081,7 +2248,7 @@ dependencies = [
 "lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
 "linked-hash-map 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "num-traits 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 0.8.23 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

@ -2170,11 +2337,6 @@ dependencies = [
 "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

-[[package]]
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-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "slab"
 version = "0.4.2"
@ -2358,13 +2520,41 @@ dependencies = [
 "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

+[[package]]
+name = "tokio"
+version = "0.1.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio 0.6.19 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-current-thread 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-threadpool 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "tokio-buf"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "either 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "tokio-codec"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

@ -2373,7 +2563,7 @@ name = "tokio-current-thread"
 version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 "tokio-executor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

@ -2383,7 +2573,7 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

 [[package]]
@ -2392,7 +2582,7 @@ version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

@ -2402,7 +2592,7 @@ version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -2419,7 +2609,7 @@ name = "tokio-signal"
 version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
 "mio 0.6.19 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -2436,7 +2626,7 @@ version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

 [[package]]
@ -2445,20 +2635,36 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "mio 0.6.19 (registry+https://github.com/rust-lang/crates.io-index)",
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 "tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

+[[package]]
+name = "tokio-threadpool"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+ "crossbeam-queue 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "tokio-timer"
 version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
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- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "tokio-executor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@ -2469,7 +2675,7 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
 "mio 0.6.19 (registry+https://github.com/rust-lang/crates.io-index)",
 "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@ -2493,7 +2699,7 @@ dependencies = [
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 "checksum quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9274b940887ce9addde99c4eee6b5c44cc494b182b97e73dc8ffdcb3397fd3f0"
 "checksum quick-xml 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0a8b2062cd4735d683121dbd525f5961226936229b0ac6bbbc40b34155744a41"
 "checksum quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e920b65c65f10b2ae65c831a81a073a89edd28c7cce89475bff467ab4167a"
@ -2938,10 +3171,11 @@ dependencies = [
 "checksum rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
 "checksum redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)" = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
 "checksum regex 0.1.80 (registry+https://github.com/rust-lang/crates.io-index)" = "4fd4ace6a8cf7860714a2c2280d6c1f7e6a413486c13298bbc86fd3da019402f"
-"checksum regex 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6b23da8dfd98a84bd7e08700190a5d9f7d2d38abd4369dd1dae651bc40bfd2cc"
+"checksum regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dc220bd33bdce8f093101afe22a037b8eb0e5af33592e6a9caafff0d4cb81cbd"
 "checksum regex-syntax 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "f9ec002c35e86791825ed294b50008eea9ddfc8def4420124fbc6b08db834957"
-"checksum regex-syntax 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)" = "cd5485bf1523a9ed51c4964273f22f63f24e31632adb5dad134f488f86a3875c"
+"checksum regex-syntax 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)" = "11a7e20d1cce64ef2fed88b66d347f88bd9babb82845b2b858f3edbf59a4f716"
 "checksum remove_dir_all 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4a83fa3702a688b9359eccba92d153ac33fd2e8462f9e0e3fdf155239ea7792e"
+"checksum reqwest 0.9.24 (registry+https://github.com/rust-lang/crates.io-index)" = "f88643aea3c1343c804950d7bf983bd2067f5ab59db6d613a08e05572f2714ab"
 "checksum resolv-conf 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b263b4aa1b5de9ffc0054a2386f96992058bb6870aab516f8cdeb8a667d56dcb"
 "checksum ring 0.14.6 (registry+https://github.com/rust-lang/crates.io-index)" = "426bc186e3e95cac1e4a4be125a4aca7e84c2d616ffc02244eef36e2a60a093c"
 "checksum rss 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d0706a43e890fbaf1714d495d12f69a7b34b70c6e903586d70311c2ce15ffe67"
@ -2971,7 +3205,6 @@ dependencies = [
 "checksum sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7b4d8bfd0e469f417657573d8451fb33d16cfe0989359b93baf3a1ffc639543d"
 "checksum signal-hook 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "4f61c4d59f3aaa9f61bba6450a9b80ba48362fd7d651689e7a10c453b1f6dc68"
 "checksum signal-hook-registry 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cded4ffa32146722ec54ab1f16320568465aa922aa9ab4708129599740da85d7"
-"checksum siphasher 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "0b8de496cf83d4ed58b6be86c3a275b8602f6ffe98d3024a869e124147a9a3ac"
 "checksum slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
 "checksum smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)" = "ab606a9c5e214920bb66c458cd7be8ef094f813f20fe77a54cc7dbfff220d4b7"
 "checksum smallvec 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4ecf3b85f68e8abaa7555aa5abdb1153079387e60b718283d732f03897fcfc86"
@ -2995,6 +3228,8 @@ dependencies = [
 "checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
 "checksum threadpool 1.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e2f0c90a5f3459330ac8bc0d2f879c693bb7a2f59689c1083fc4ef83834da865"
 "checksum time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
+"checksum tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)" = "5a09c0b5bb588872ab2f09afa13ee6e9dac11e10a0ec9e8e3ba39a5a5d530af6"
+"checksum tokio-buf 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "8fb220f46c53859a4b7ec083e41dec9778ff0b1851c0942b211edb89e0ccdc46"
 "checksum tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5c501eceaf96f0e1793cf26beb63da3d11c738c4a943fdf3746d81d64684c39f"
 "checksum tokio-current-thread 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "d16217cad7f1b840c5a97dfb3c43b0c871fef423a6e8d2118c604e843662a443"
 "checksum tokio-executor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "0f27ee0e6db01c5f0b2973824547ce7e637b2ed79b891a9677b0de9bd532b6ac"
@ -3003,14 +3238,15 @@ dependencies = [
 "checksum tokio-signal 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "dd6dc5276ea05ce379a16de90083ec80836440d5ef8a6a39545a3207373b8296"
 "checksum tokio-sync 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "2162248ff317e2bc713b261f242b69dbb838b85248ed20bb21df56d60ea4cae7"
 "checksum tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "1d14b10654be682ac43efee27401d792507e30fd8d26389e1da3b185de2e4119"
+"checksum tokio-threadpool 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)" = "f0c32ffea4827978e9aa392d2f743d973c1dfa3730a2ed3f22ce1e6984da848c"
 "checksum tokio-timer 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "f2106812d500ed25a4f38235b9cae8f78a09edf43203e16e59c3b769a342a60e"
 "checksum tokio-udp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "66268575b80f4a4a710ef83d087fdfeeabdce9b74c797535fbac18a2cb906e92"
 "checksum toml 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "758664fc71a3a69038656bee8b6be6477d2a6c315a6b81f7081f591bffa4111f"
 "checksum trust-dns-proto 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)" = "5559ebdf6c2368ddd11e20b11d6bbaf9e46deb803acd7815e93f5a7b4a6d2901"
 "checksum trust-dns-resolver 0.11.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6c9992e58dba365798803c0b91018ff6c8d3fc77e06977c4539af2a6bfe0a039"
+"checksum try-lock 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e604eb7b43c06650e854be16a2a03155743d3752dd1c943f6829e26b7a36e382"
+"checksum try_from 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "283d3b89e1368717881a9d51dad843cc435380d8109c9e47d38780a324698d8b"
 "checksum typenum 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "612d636f949607bdf9b123b4a6f6d966dedf3ff669f7f045890d3a4a73948169"
-"checksum ucd-util 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "fa9b3b49edd3468c0e6565d85783f51af95212b6fa3986a5500954f00b460874"
-"checksum unicase 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7f4765f83163b74f957c797ad9253caf97f103fb064d3999aea9568d09fc8a33"
 "checksum unicase 2.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a84e5511b2a947f3ae965dcb29b13b7b1691b6e7332cf5dbc1744138d5acb7f6"
 "checksum unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
 "checksum unicode-normalization 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "141339a08b982d942be2ca06ff8b076563cbe223d1befd5450716790d44e2426"
@ -3019,14 +3255,15 @@ dependencies = [
 "checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
 "checksum untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "55cd1f4b4e96b46aeb8d4855db4a7a9bd96eeeb5c6a1ab54593328761642ce2f"
 "checksum url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dd4e7c0d531266369519a4aa4f399d748bd37043b00bde1e4ff1f60a120b355a"
+"checksum url 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "75b414f6c464c879d7f9babf951f23bc3743fb7313c081b2e6ca719067ea9d61"
 "checksum utf8-ranges 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a1ca13c08c41c9c3e04224ed9ff80461d97e121589ff27c753a16cb10830ae0f"
-"checksum utf8-ranges 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "9d50aa7650df78abf942826607c62468ce18d9019673d4a2ebe1865dbb96ffde"
 "checksum uuid 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)" = "90dbc611eb48397705a6b0f6e917da23ae517e4d127123d2cf7674206627d32a"
 "checksum v_escape 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "8865501b78eef9193c1b45486acf18ba889e5662eba98854d6fc59d8ecf3542d"
 "checksum v_escape_derive 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "306896ff4b75998501263a1dc000456de442e21d68fe8c8bdf75c66a33a58e23"
 "checksum v_htmlescape 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7fbbe0fa88dd36f9c8cf61a218d4b953ba669de4d0785832f33cc72bd081e1be"
 "checksum vcpkg 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "33dd455d0f96e90a75803cfeb7f948768c08d70a6de9a8d2362461935698bf95"
 "checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
+"checksum want 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b6395efa4784b027708f7451087e647ec73cc74f5d9bc2e418404248d679a230"
 "checksum widestring 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "effc0e4ff8085673ea7b9b2e3c73f6bd4d118810c9009ed8f1e16bd96c331db6"
 "checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
 "checksum winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "f10e386af2b13e47c89e7236a7a14a086791a2b88ebad6df9bf42040195cf770"
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@ -32,3 +32,4 @@ rss = "1.8.0"
 htmlescape = "0.3.1"
 config = "0.9.3"
 hjson = "0.8.2"
+reqwest = "0.9.24"
--- a/server/config/config.hjson
+++ b/server/config/config.hjson
@ -0,0 +1,4 @@
+{
+  hostname: "localhost:8536"
+  federation_enabled: true
+}
--- a/server/config/defaults.hjson
+++ b/server/config/defaults.hjson
@ -15,7 +15,7 @@
    pool_size: 5
  }
  # the domain name of your instance (eg "dev.lemmy.ml")
-  hostname: "rrr"
+  hostname: null
  # address where lemmy should listen for incoming requests
  bind: "0.0.0.0"
  # port where lemmy should listen for incoming requests
@ -24,9 +24,11 @@
  jwt_secret: "changeme"
  # The dir for the front end
  front_end_dir: "../ui/dist"
-  # whether to enable activitypub federation. this feature is in alpha, do not enable in production, as might
-  # cause problems like remote instances fetching and permanently storing bad data.
+  # whether to enable activitypub federation. this feature is in alpha, do not enable in production.
  federation_enabled: false
+  // another instance to federate with. this should be a list, but it seems like lists cant be set from environment
+  // https://github.com/mehcode/config-rs/issues/117
+  federated_instance: null
  # rate limits for various user actions, by user ip
  rate_limit: {
    # maximum number of messages created in interval
--- a/server/src/api/community.rs
+++ b/server/src/api/community.rs
@ -4,16 +4,16 @@ use std::str::FromStr;
 #[derive(Serialize, Deserialize)]
 pub struct GetCommunity {
  id: Option<i32>,
-  name: Option<String>,
+  pub name: Option<String>,
  auth: Option<String>,
 }

 #[derive(Serialize, Deserialize)]
 pub struct GetCommunityResponse {
-  op: String,
-  community: CommunityView,
-  moderators: Vec<CommunityModeratorView>,
-  admins: Vec<UserView>,
+  pub op: String,
+  pub community: CommunityView,
+  pub moderators: Vec<CommunityModeratorView>,
+  pub admins: Vec<UserView>,
 }

 #[derive(Serialize, Deserialize)]
@ -40,10 +40,10 @@ pub struct ListCommunities {
  auth: Option<String>,
 }

-#[derive(Serialize, Deserialize)]
+#[derive(Serialize, Deserialize, Debug)]
 pub struct ListCommunitiesResponse {
-  op: String,
-  communities: Vec<CommunityView>,
+  pub op: String,
+  pub communities: Vec<CommunityView>,
 }

 #[derive(Serialize, Deserialize, Clone)]
--- a/server/src/apub/mod.rs
+++ b/server/src/apub/mod.rs
@ -1,5 +1,6 @@
 pub mod community;
 pub mod post;
+pub mod puller;
 pub mod user;
 use crate::Settings;

--- a/server/src/apub/puller.rs
+++ b/server/src/apub/puller.rs
@ -0,0 +1,97 @@
+extern crate reqwest;
+
+use self::reqwest::Error;
+use crate::api::community::{GetCommunityResponse, ListCommunitiesResponse};
+use crate::api::post::GetPosts;
+use crate::api::UserOperation;
+use crate::db::community_view::CommunityView;
+use crate::naive_now;
+use crate::settings::Settings;
+use activitypub::actor::Group;
+
+// TODO: right now all of the data is requested on demand, for production we will need to store
+//       things in the local database to not ruin the performance
+
+fn fetch_communities_from_instance(domain: &str) -> Result<Vec<CommunityView>, Error> {
+  // TODO: check nodeinfo to make sure we are dealing with a lemmy instance
+  //       -> means we need proper nodeinfo json classes instead of inline generation
+  // TODO: follow pagination (seems like page count is missing?)
+  // TODO: see if there is any standard for discovering remote actors, so we dont have to rely on lemmy apis
+  let communities_uri = format!("http://{}/api/v1/communities/list?sort=Hot", domain);
+  let communities1: ListCommunitiesResponse = reqwest::get(&communities_uri)?.json()?;
+  let mut communities2 = communities1.communities.to_owned();
+  for c in &mut communities2 {
+    c.name = format_community_name(&c.name, domain);
+  }
+  Ok(communities2)
+}
+
+pub fn get_remote_community_posts(name: String) -> Result<GetPosts, Error> {
+  // TODO: this is for urls like /c/!main@example.com, activitypub exposes it through the outbox
+  //       https://www.w3.org/TR/activitypub/#outbox
+  dbg!(name);
+  unimplemented!()
+}
+
+pub fn get_remote_community(identifier: String) -> Result<GetCommunityResponse, Error> {
+  let x: Vec<&str> = identifier.split("@").collect();
+  let name = x[0].replace("!", "");
+  let instance = x[1];
+  let community_uri = format!("http://{}/federation/c/{}", instance, name);
+  let community: Group = reqwest::get(&community_uri)?.json()?;
+
+  // TODO: looks like a bunch of data is missing from the activitypub response
+  // TODO: i dont think simple numeric ids are going to work, we probably need something like uuids
+  // TODO: why are the Group properties not typed?
+  Ok(GetCommunityResponse {
+    op: UserOperation::GetCommunity.to_string(),
+    moderators: vec![],
+    admins: vec![],
+    community: CommunityView {
+      id: -1,
+      name: identifier.clone(),
+      title: identifier,
+      description: community.object_props.summary.map(|c| c.to_string()),
+      category_id: -1,
+      creator_id: -1,
+      removed: false,
+      published: naive_now(), // TODO: community.object_props.published
+      updated: Some(naive_now()), // TODO: community.object_props.updated
+      deleted: false,
+      nsfw: false,
+      creator_name: "".to_string(),
+      category_name: "".to_string(),
+      number_of_subscribers: -1,
+      number_of_posts: -1,
+      number_of_comments: -1,
+      hot_rank: -1,
+      user_id: None,
+      subscribed: None,
+    },
+  })
+}
+
+pub fn get_following_instances() -> Result<Vec<String>, Error> {
+  let instance_list = match Settings::get().federated_instance.clone() {
+    Some(f) => vec![f, Settings::get().hostname.clone()],
+    None => vec![Settings::get().hostname.clone()],
+  };
+  Ok(instance_list)
+}
+
+pub fn get_all_communities() -> Result<Vec<CommunityView>, Error> {
+  let mut communities_list: Vec<CommunityView> = vec![];
+  for instance in &get_following_instances()? {
+    communities_list.append(fetch_communities_from_instance(instance)?.as_mut());
+  }
+  Ok(communities_list)
+}
+
+/// If community is on local instance, don't include the @instance part
+pub fn format_community_name(name: &str, instance: &str) -> String {
+  if instance == Settings::get().hostname {
+    format!("!{}", name)
+  } else {
+    format!("!{}@{}", name, instance)
+  }
+}
--- a/server/src/main.rs
+++ b/server/src/main.rs
@ -4,8 +4,13 @@ extern crate diesel_migrations;

 use actix::prelude::*;
 use actix_files::NamedFile;
+use actix_web::web::Query;
 use actix_web::*;
 use actix_web_actors::ws;
+use lemmy_server::api::community::ListCommunities;
+use lemmy_server::api::Oper;
+use lemmy_server::api::Perform;
+use lemmy_server::api::UserOperation;
 use lemmy_server::apub;
 use lemmy_server::db::establish_connection;
 use lemmy_server::feeds;
@ -263,11 +268,25 @@ fn main() {
      .route("/feeds/all.xml", web::get().to(feeds::get_all_feed));

    // Federation
-    if settings.federation_enabled {
-      app.route(
-        ".well-known/webfinger",
-        web::get().to(webfinger::get_webfinger_response),
-      )
+    if Settings::get().federation_enabled {
+      println!("federation enabled, host is {}", Settings::get().hostname);
+      app
+        .route(
+          ".well-known/webfinger",
+          web::get().to(webfinger::get_webfinger_response),
+        )
+        // TODO: this is a very quick and dirty implementation for http api calls
+        .route(
+          "/api/v1/communities/list",
+          web::get().to(|query: Query<ListCommunities>| {
+            let res = Oper::new(UserOperation::ListCommunities, query.into_inner())
+              .perform()
+              .unwrap();
+            HttpResponse::Ok()
+              .content_type("application/json")
+              .body(serde_json::to_string(&res).unwrap())
+          }),
+        )
    } else {
      app
    }
@ -277,6 +296,7 @@ fn main() {
  .start();

  println!("Started http server at {}:{}", settings.bind, settings.port);
+
  let _ = sys.run();
 }

--- a/server/src/settings.rs
+++ b/server/src/settings.rs
@ -18,6 +18,7 @@ pub struct Settings {
  pub rate_limit: RateLimitConfig,
  pub email: Option<EmailConfig>,
  pub federation_enabled: bool,
+  pub federated_instance: Option<String>,
 }

 #[derive(Debug, Deserialize)]
--- a/server/src/webfinger.rs
+++ b/server/src/webfinger.rs
@ -48,7 +48,13 @@ pub fn get_webfinger_response(info: Query<Params>) -> HttpResponse<Body> {
    Err(_) => return HttpResponse::NotFound().finish(),
  };

-  let community_url = community.get_url();
+  // TODO: might want to move this into community or apub
+  // TODO: should use http during local testing, and https during production
+  let community_url = format!(
+    "http://{}/federation/c/{}",
+    Settings::get().hostname,
+    community.name
+  );

  let json = json!({
    "subject": info.resource,
@ -59,7 +65,7 @@ pub fn get_webfinger_response(info: Query<Params>) -> HttpResponse<Body> {
      {
        "rel": "http://webfinger.net/rel/profile-page",
        "type": "text/html",
-        "href": community_url
+        "href": community.get_url(),
      },
      {
        "rel": "self",
--- a/server/src/websocket/server.rs
+++ b/server/src/websocket/server.rs
@ -17,6 +17,7 @@ use crate::api::post::*;
 use crate::api::site::*;
 use crate::api::user::*;
 use crate::api::*;
+use crate::apub::puller::*;
 use crate::Settings;

 /// Chat server sends this messages to session
@ -352,14 +353,35 @@ fn parse_json_message(chat: &mut ChatServer, msg: StandardMessage) -> Result<Str
      Ok(serde_json::to_string(&res)?)
    }
    UserOperation::GetCommunity => {
-      let get_community: GetCommunity = serde_json::from_str(data)?;
-      let res = Oper::new(user_operation, get_community).perform()?;
-      Ok(serde_json::to_string(&res)?)
+      let mut get_community: GetCommunity = serde_json::from_str(data)?;
+      if Settings::get().federation_enabled && get_community.name.is_some() {
+        let name = &get_community.name.unwrap();
+        let remote_community = if name.contains("@") {
+          // TODO: need to support sort, filter etc for remote communities
+          get_remote_community(name.to_owned())?
+        } else {
+          get_community.name = Some(name.replace("!", ""));
+          Oper::new(user_operation, get_community).perform()?
+        };
+        Ok(serde_json::to_string(&remote_community)?)
+      } else {
+        let res = Oper::new(user_operation, get_community).perform()?;
+        Ok(serde_json::to_string(&res)?)
+      }
    }
    UserOperation::ListCommunities => {
-      let list_communities: ListCommunities = serde_json::from_str(data)?;
-      let res = Oper::new(user_operation, list_communities).perform()?;
-      Ok(serde_json::to_string(&res)?)
+      if Settings::get().federation_enabled {
+        let res = get_all_communities()?;
+        let val = ListCommunitiesResponse {
+          op: UserOperation::ListCommunities.to_string(),
+          communities: res,
+        };
+        Ok(serde_json::to_string(&val)?)
+      } else {
+        let list_communities: ListCommunities = serde_json::from_str(data)?;
+        let res = Oper::new(user_operation, list_communities).perform()?;
+        Ok(serde_json::to_string(&res)?)
+      }
    }
    UserOperation::CreateCommunity => {
      chat.check_rate_limit_register(msg.id)?;