Implement image hosting directly inside Lemmy (fixes #371)

README.md

@@ -44,7 +44,7 @@ The overall goal is to create an easily self-hostable, decentralized alternative
 
 Each lemmy server can set its own moderation policy; appointing site-wide admins, and community moderators to keep out the trolls, and foster a healthy, non-toxic environment where all can feel comfortable contributing.
 
-*Note: Federation is still in active development*
+*Note: Federation is still in active development and the WebSocket, as well as, HTTP API are currently unstable*
 
 ### Why's it called Lemmy?
 

docs/src/contributing_websocket_http_api.md

@@ -1,6 +1,6 @@
 # Lemmy API
 
-*Note: this may lag behind the actual API endpoints [here](../server/src/api).*
+*Note: this may lag behind the actual API endpoints [here](../server/src/api). The API should be considered unstable and may change any time.*
 
 <!-- toc -->
 

server/Cargo.lock

@@ -177,6 +177,24 @@ dependencies = [
  "syn 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "actix-multipart"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "actix-service 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-utils 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-web 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "derive_more 0.99.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "httparse 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mime 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "twoway 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "actix-router"
 version = "0.2.4"
@@ -592,6 +610,11 @@ name = "byte-tools"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "bytemuck"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "byteorder"
 version = "1.3.4"
@@ -653,6 +676,11 @@ dependencies = [
  "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "color_quant"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "comrak"
 version = "0.7.0"
@@ -720,6 +748,39 @@ dependencies = [
  "maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "crossbeam-deque"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "crossbeam-epoch 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "crossbeam-epoch"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memoffset 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "scopeguard 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "crossbeam-queue"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "crossbeam-utils"
 version = "0.7.2"
@@ -791,6 +852,15 @@ dependencies = [
  "syn 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "deflate"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "adler32 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "derive_builder"
 version = "0.9.0"
@@ -1191,6 +1261,15 @@ dependencies = [
  "wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "gif"
+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "color_quant 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lzw 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "h2"
 version = "0.2.4"
@@ -1270,6 +1349,15 @@ dependencies = [
  "itoa 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "http-body"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "httparse"
 version = "1.3.4"
@@ -1283,6 +1371,41 @@ dependencies = [
  "quick-error 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "hyper"
+version = "0.13.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-channel 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-util 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "h2 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http-body 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "httparse 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itoa 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-project 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "socket2 0.3.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.20 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tower-service 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "want 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "hyper-tls"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper 0.13.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "native-tls 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.20 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-tls 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "ident_case"
 version = "1.0.1"
@@ -1298,6 +1421,23 @@ dependencies = [
  "unicode-normalization 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "image"
+version = "0.23.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytemuck 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gif 0.10.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jpeg-decoder 0.1.19 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-iter 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-rational 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "png 0.16.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "scoped_threadpool 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tiff 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "indexmap"
 version = "1.3.2"
@@ -1306,6 +1446,14 @@ dependencies = [
  "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "inflate"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "adler32 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "iovec"
 version = "0.1.4"
@@ -1357,6 +1505,15 @@ name = "itoa"
 version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "jpeg-decoder"
+version = "0.1.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rayon 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "js-sys"
 version = "0.3.37"
@@ -1409,6 +1566,7 @@ dependencies = [
  "activitypub 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "actix 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "actix-files 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-multipart 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "actix-rt 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "actix-web 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "actix-web-actors 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1424,12 +1582,14 @@ dependencies = [
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "hjson 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "htmlescape 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "image 0.23.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "isahc 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonwebtoken 7.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lettre 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "lettre_email 0.9.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mime-db 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "percent-encoding 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1547,6 +1707,11 @@ dependencies = [
  "linked-hash-map 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "lzw"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "maplit"
 version = "1.0.2"
@@ -1580,6 +1745,14 @@ name = "memchr"
 version = "2.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "memoffset"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "migrations_internals"
 version = "1.4.1"
@@ -1604,6 +1777,17 @@ name = "mime"
 version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "mime-db"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "reqwest 0.10.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.52 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.20 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "mime_guess"
 version = "2.0.3"
@@ -1730,6 +1914,26 @@ dependencies = [
  "num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "num-iter"
+version = "0.1.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-integer 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "num-rational"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-integer 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.1.43"
@@ -1899,6 +2103,17 @@ name = "pkg-config"
 version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "png"
+version = "0.16.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crc32fast 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "deflate 0.8.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "inflate 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.6"
@@ -2107,6 +2322,28 @@ dependencies = [
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rayon"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "crossbeam-deque 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rayon-core 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rayon-core"
+version = "1.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "crossbeam-deque 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-queue 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rdrand"
 version = "0.4.0"
@@ -2161,6 +2398,40 @@ dependencies = [
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "reqwest"
+version = "0.10.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "base64 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "encoding_rs 0.8.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-util 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http-body 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper 0.13.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper-tls 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "js-sys 0.3.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mime 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mime_guess 2.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "native-tls 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "percent-encoding 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-project-lite 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.52 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_urlencoded 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.20 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-tls 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-futures 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "web-sys 0.3.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winreg 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "resolv-conf"
 version = "0.6.3"
@@ -2243,6 +2514,11 @@ dependencies = [
  "parking_lot 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "scoped_threadpool"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
@@ -2590,6 +2866,16 @@ dependencies = [
  "num_cpus 1.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "tiff"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lzw 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "miniz_oxide 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "time"
 version = "0.1.42"
@@ -2614,12 +2900,33 @@ dependencies = [
  "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-uds 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "pin-project-lite 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "signal-hook-registry 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-macros 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "tokio-macros"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
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+
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+
 [[package]]
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@@ -2654,6 +2961,11 @@ dependencies = [
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 ]
 
+[[package]]
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+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
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 version = "0.18.0-alpha.2"
@@ -2691,6 +3003,11 @@ dependencies = [
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 ]
 
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
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@@ -2840,6 +3157,15 @@ name = "version_check"
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+
 [[package]]
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@@ -2851,6 +3177,8 @@ version = "0.2.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
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@@ -2868,6 +3196,17 @@ dependencies = [
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+
 [[package]]
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@@ -2953,6 +3292,14 @@ dependencies = [
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+dependencies = [
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+
 [[package]]
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+"checksum num-rational 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "5c000134b5dbf44adc5cb772486d335293351644b801551abe8f75c84cfa4aef"
 "checksum num-traits 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)" = "92e5113e9fd4cc14ded8e499429f396a20f98c772a47cc8622a736e1ec843c31"
 "checksum num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "c62be47e61d1842b9170f0fdeec8eba98e60e90e5446449a0545e5152acd7096"
 "checksum num_cpus 1.13.0 (registry+https://github.com/rust-lang/crates.io-index)" = "05499f3756671c15885fee9034446956fff3f243d6077b91e5767df161f766b3"
@@ -3174,6 +3540,7 @@ dependencies = [
 "checksum pin-project-lite 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "237844750cfbb86f67afe27eee600dfbbcb6188d734139b534cbfbf4f96792ae"
 "checksum pin-utils 0.1.0-alpha.4 (registry+https://github.com/rust-lang/crates.io-index)" = "5894c618ce612a3fa23881b152b608bafb8c56cfc22f434a3ba3120b40f7b587"
 "checksum pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)" = "05da548ad6865900e60eaba7f589cc0783590a92e940c26953ff81ddbab2d677"
+"checksum png 0.16.4 (registry+https://github.com/rust-lang/crates.io-index)" = "12faa637ed9ae3d3c881332e54b5ae2dba81cda9fc4bbce0faa1ba53abcead50"
 "checksum ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "74490b50b9fbe561ac330df47c08f3f33073d2d00c150f719147d7c54522fa1b"
 "checksum pq-sys 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "6ac25eee5a0582f45a67e837e350d784e7003bd29a5f460796772061ca49ffda"
 "checksum proc-macro-hack 0.5.15 (registry+https://github.com/rust-lang/crates.io-index)" = "0d659fe7c6d27f25e9d80a1a094c223f5246f6a6596453e09d7229bf42750b63"
@@ -3198,6 +3565,8 @@ dependencies = [
 "checksum rand_os 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7b75f676a1e053fc562eafbb47838d67c84801e38fc1ba459e8f180deabd5071"
 "checksum rand_pcg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "abf9b09b01790cfe0364f52bf32995ea3c39f4d2dd011eac241d2914146d0b44"
 "checksum rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cbf7e9e623549b0e21f6e97cf8ecf247c1a8fd2e8a992ae265314300b2455d5c"
+"checksum rayon 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "db6ce3297f9c85e16621bb8cca38a06779ffc31bb8184e1be4bed2be4678a098"
+"checksum rayon-core 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "08a89b46efaf957e52b18062fb2f4660f8b8a4dde1807ca002690868ef2c85a9"
 "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"
@@ -3205,6 +3574,7 @@ dependencies = [
 "checksum regex-syntax 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "f9ec002c35e86791825ed294b50008eea9ddfc8def4420124fbc6b08db834957"
 "checksum regex-syntax 0.6.17 (registry+https://github.com/rust-lang/crates.io-index)" = "7fe5bd57d1d7414c6b5ed48563a2c855d995ff777729dcd91c369ec7fea395ae"
 "checksum remove_dir_all 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4a83fa3702a688b9359eccba92d153ac33fd2e8462f9e0e3fdf155239ea7792e"
+"checksum reqwest 0.10.6 (registry+https://github.com/rust-lang/crates.io-index)" = "3b82c9238b305f26f53443e3a4bc8528d64b8d0bee408ec949eb7bf5635ec680"
 "checksum resolv-conf 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "11834e137f3b14e309437a8276714eed3a80d1ef894869e510f2c0c0b98b9f4a"
 "checksum ring 0.16.12 (registry+https://github.com/rust-lang/crates.io-index)" = "1ba5a8ec64ee89a76c98c549af81ff14813df09c3e6dc4766c3856da48597a0c"
 "checksum rss 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "99979205510c60f80a119dedbabd0b8426517384edf205322f8bcd51796bcef9"
@@ -3216,6 +3586,7 @@ dependencies = [
 "checksum safemem 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ef703b7cb59335eae2eb93ceb664c0eb7ea6bf567079d843e09420219668e072"
 "checksum schannel 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)" = "039c25b130bd8c1321ee2d7de7fde2659fa9c2744e4bb29711cfc852ea53cd19"
 "checksum scheduled-thread-pool 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "0988d7fdf88d5e5fcf5923a0f1e8ab345f3e98ab4bc6bc45a2d5ff7f7458fbf6"
+"checksum scoped_threadpool 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "1d51f5df5af43ab3f1360b429fa5e0152ac5ce8c0bd6485cae490332e96846a8"
 "checksum scopeguard 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 "checksum security-framework 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "572dfa3a0785509e7a44b5b4bebcf94d41ba34e9ed9eb9df722545c3b3c4144a"
 "checksum security-framework-sys 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "8ddb15a5fec93b7021b8a9e96009c5d8d51c15673569f7c0f6b7204e5b7b404f"
@@ -3257,13 +3628,18 @@ dependencies = [
 "checksum thread_local 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "8576dbbfcaef9641452d5cf0df9b0e7eeab7694956dd33bb61515fb8f18cfdd5"
 "checksum thread_local 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14"
 "checksum threadpool 1.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e2f0c90a5f3459330ac8bc0d2f879c693bb7a2f59689c1083fc4ef83834da865"
+"checksum tiff 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "002351e428db1eb1d8656d4ca61947c3519ac3191e1c804d4600cd32093b77ad"
 "checksum time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
 "checksum tokio 0.2.20 (registry+https://github.com/rust-lang/crates.io-index)" = "05c1d570eb1a36f0345a5ce9c6c6e665b70b73d11236912c0b477616aeec47b1"
+"checksum tokio-macros 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "f0c3acc6aa564495a0f2e1d59fab677cd7f81a19994cfc7f3ad0e64301560389"
+"checksum tokio-tls 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9a70f4fcd7b3b24fb194f837560168208f669ca8cb70d0c4b862944452396343"
 "checksum tokio-util 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "571da51182ec208780505a32528fc5512a8fe1443ab960b3f2f3ef093cd16930"
 "checksum tokio-util 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "be8242891f2b6cbef26a2d7e8605133c2c554cd35b3e4948ea892d6d68436499"
 "checksum toml 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)" = "ffc92d160b1eef40665be3a05630d003936a3bc7da7421277846c2613e92c71a"
+"checksum tower-service 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e987b6bf443f4b5b3b6f38704195592cca41c5bb7aedd3c3693c7081f8289860"
 "checksum trust-dns-proto 0.18.0-alpha.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2a7f3a2ab8a919f5eca52a468866a67ed7d3efa265d48a652a9a3452272b413f"
 "checksum trust-dns-resolver 0.18.0-alpha.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6f90b1502b226f8b2514c6d5b37bafa8c200d7ca4102d57dc36ee0f3b7a04a2f"
+"checksum try-lock 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e604eb7b43c06650e854be16a2a03155743d3752dd1c943f6829e26b7a36e382"
 "checksum twoway 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6b40075910de3a912adbd80b5d8bad6ad10a23eeb1f5bf9d4006839e899ba5bc"
 "checksum typed-arena 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a9b2228007eba4120145f785df0f6c92ea538f5a3635a612ecf4e334c8c1446d"
 "checksum typenum 1.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "373c8a200f9e67a0c95e62a4f52fbf80c23b4381c05a17845531982fa99e6b33"
@@ -3287,9 +3663,11 @@ dependencies = [
 "checksum vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
 "checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
 "checksum version_check 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "078775d0255232fb988e6fccf26ddc9d1ac274299aaedcedce21c6f72cc533ce"
+"checksum want 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
 "checksum wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)" = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
 "checksum wasm-bindgen 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)" = "2cc57ce05287f8376e998cbddfb4c8cb43b84a7ec55cf4551d7c00eef317a47f"
 "checksum wasm-bindgen-backend 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)" = "d967d37bf6c16cca2973ca3af071d0a2523392e4a594548155d89a678f4237cd"
+"checksum wasm-bindgen-futures 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "7add542ea1ac7fdaa9dc25e031a6af33b7d63376292bd24140c637d00d1c312a"
 "checksum wasm-bindgen-macro 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)" = "8bd151b63e1ea881bb742cd20e1d6127cef28399558f3b5d415289bc41eee3a4"
 "checksum wasm-bindgen-macro-support 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)" = "d68a5b36eef1be7868f668632863292e37739656a80fc4b9acec7b0bd35a4931"
 "checksum wasm-bindgen-shared 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)" = "daf76fe7d25ac79748a37538b7daeed1c7a6867c92d3245c12c6222e4a20d639"
@@ -3302,6 +3680,7 @@ dependencies = [
 "checksum winapi-util 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "fa515c5163a99cc82bab70fd3bfdd36d827be85de63737b40fcef2ce084a436e"
 "checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 "checksum winreg 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b2986deb581c4fe11b621998a5e53361efe6b48a151178d0cd9eeffa4dc6acc9"
+"checksum winreg 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0120db82e8a1e0b9fb3345a539c478767c0048d842860994d96113d5b667bd69"
 "checksum winutil 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7daf138b6b14196e3830a588acf1e86966c694d3e8fb026fb105b8b5dca07e6e"
 "checksum ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
 "checksum yaml-rust 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "65923dd1784f44da1d2c3dbbc5e822045628c590ba72123e1c73d3c230c4434d"

server/Cargo.toml

@@ -19,6 +19,7 @@ actix-web = "2.0.0"
 actix-files = "0.2.1"
 actix-web-actors = "2.0.0"
 actix-rt = "1.1.1"
+actix-multipart = "0.2.0"
 log = "0.4.0"
 env_logger = "0.7.1"
 rand = "0.7.3"
@@ -39,3 +40,5 @@ isahc = "0.9"
 comrak = "0.7"
 tokio = "0.2.20"
 futures = "0.3.4"
+image = "0.23.4"
+mime-db = "0.1.5"

server/src/main.rs

@@ -15,7 +15,7 @@ use diesel::r2d2::{ConnectionManager, Pool};
 use diesel::PgConnection;
 use lemmy_server::{
   rate_limit::{rate_limiter::RateLimiter, RateLimit},
-  routes::{api, federation, feeds, index, nodeinfo, webfinger},
+  routes::{api, federation, feeds, images, index, nodeinfo, webfinger},
   settings::Settings,
   websocket::server::*,
 };
@@ -75,6 +75,7 @@ async fn main() -> io::Result<()> {
       .configure(move |cfg| api::config(cfg, &rate_limiter))
       .configure(federation::config)
       .configure(feeds::config)
+      .configure(images::config)
       .configure(index::config)
       .configure(nodeinfo::config)
       .configure(webfinger::config)

server/src/routes/images.rs

@@ -0,0 +1,92 @@
+use super::*;
+use actix_multipart::Multipart;
+use actix_web::{web, HttpResponse};
+use failure::Error;
+use futures::{StreamExt, TryStreamExt};
+use image::imageops::FilterType;
+use rand::distributions::Alphanumeric;
+use rand::{thread_rng, Rng};
+use std::fs::{DirBuilder, File};
+use std::io::Write;
+use std::path::{Path, PathBuf};
+
+const DATA_DIR: &str = "volumes/pictshare/";
+const THUMBNAIL_SIZES: [u32; 2] = [192, 96];
+
+pub fn config(cfg: &mut web::ServiceConfig) {
+  cfg.service(
+    web::scope("/pictshare")
+      .route("/api/upload.php", web::post().to(images::upload))
+      .route("/{image_name}", web::get().to(serve_image))
+      .route("/{resolution}/{image_name}", web::get().to(serve_thumbnail)),
+  );
+}
+
+// https://github.com/actix/examples/blob/master/multipart/src/main.rs
+async fn upload(mut payload: Multipart) -> Result<HttpResponse, actix_web::Error> {
+  // iterate over multipart stream
+  let mut field = payload.try_next().await?.unwrap();
+  // TODO: afaik this is coming from the client, would be better to detect the mime ourselves
+  let mime = field.content_type().essence_str();
+  let ext = mime_db::extension(mime).unwrap();
+  let filename = format!("{}.{}", generate_image_id(), ext);
+  let filepath = format!("{}/{}/{}", DATA_DIR, &filename, &filename);
+  DirBuilder::new()
+    .recursive(true)
+    .create(format!("{}/{}", DATA_DIR, &filename))?;
+  let mut f = File::create(filepath)?;
+  // Field in turn is stream of *Bytes* object
+  while let Some(chunk) = field.next().await {
+    let data = chunk.unwrap();
+    f = web::block(move || f.write_all(&data).map(|_| f)).await?;
+  }
+  let response = format!("{{\"url\":\"{}\",\"filetype\":\"{}\"}}", &filename, ext);
+  Ok(HttpResponse::Ok().body(response))
+}
+
+async fn serve_image(path: web::Path<String>) -> Result<NamedFile, Error> {
+  let path = path.into_inner();
+  let path = image_path(&path);
+  Ok(NamedFile::open(path)?)
+}
+
+// Note: this function doesnt use thumbnails generated by pictshare,
+// we will have to remove those later
+async fn serve_thumbnail(path: web::Path<(u32, String)>) -> Result<NamedFile, Error> {
+  let image_name = &path.1;
+  let size = path.0;
+  let thumbnail_path = thumbnail_path(image_name, size)?;
+  if thumbnail_path.exists() {
+    Ok(NamedFile::open(thumbnail_path)?)
+  } else {
+    let image = image::open(image_path(image_name))?;
+    let thumbnail = image.resize(size, size, FilterType::Triangle);
+    thumbnail.save(&thumbnail_path)?;
+    Ok(NamedFile::open(thumbnail_path)?)
+  }
+}
+
+fn image_path(image_name: &str) -> PathBuf {
+  let raw_path = format!("{}/{}/{}", DATA_DIR, image_name, image_name);
+  Path::new(&raw_path).to_owned()
+}
+
+fn thumbnail_path(image_name: &str, size: u32) -> Result<PathBuf, Error> {
+  if !THUMBNAIL_SIZES.contains(&size) {
+    return Err(format_err!("Invalid thumbnail size {}", size));
+  }
+  let split: Vec<&str> = image_name.splitn(2, '.').collect();
+  let id = split[0];
+  let ext = split[1];
+  let raw_path = format!("{}/{}/{}-{}.{}", DATA_DIR, image_name, id, size, ext);
+  Ok(Path::new(&raw_path).to_owned())
+}
+
+fn generate_image_id() -> String {
+  let id: String = thread_rng().sample_iter(&Alphanumeric).take(6).collect();
+  if image_path(&id).exists() {
+    generate_image_id()
+  } else {
+    id
+  }
+}

server/src/routes/mod.rs

@@ -29,6 +29,7 @@ pub type ChatServerParam = web::Data<Addr<ChatServer>>;
 pub mod api;
 pub mod federation;
 pub mod feeds;
+pub mod images;
 pub mod index;
 pub mod nodeinfo;
 pub mod webfinger;