From b08cfe37a28e7c84f754b4b75be9e2c1cec4ab22 Mon Sep 17 00:00:00 2001
From: "Adam T. Carpenter" <atc@53hor.net>
Date: Sat, 3 Oct 2020 13:35:45 -0400
Subject: restored debug script, successfully getting image from URI into file

---
 dichroism/.gitignore  |   4 +
 dichroism/Cargo.lock  | 260 +++++++++++++++++++++++++++++++++++++++++++++++++-
 dichroism/Cargo.toml  |   1 +
 dichroism/debug.sh    |   2 +
 dichroism/src/main.rs |  33 ++++---
 5 files changed, 284 insertions(+), 16 deletions(-)
 create mode 100755 dichroism/debug.sh

diff --git a/dichroism/.gitignore b/dichroism/.gitignore
index 17e109a..82ce5a4 100644
--- a/dichroism/.gitignore
+++ b/dichroism/.gitignore
@@ -1,2 +1,6 @@
+/*.jpeg
+/*.jpg
+/*.png
+/*.webp
 image-uri.txt
 target/
diff --git a/dichroism/Cargo.lock b/dichroism/Cargo.lock
index 61f957d..14ed1f5 100644
--- a/dichroism/Cargo.lock
+++ b/dichroism/Cargo.lock
@@ -47,7 +47,7 @@ dependencies = [
  "actix-service",
  "actix-threadpool",
  "actix-utils",
- "base64",
+ "base64 0.12.3",
  "bitflags",
  "brotli2",
  "bytes",
@@ -276,6 +276,12 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ee2a4ec343196209d6594e19543ae87a39f96d5534d7174822a3ad825dd6ed7e"
 
+[[package]]
+name = "adler32"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aae1277d39aeec15cb388266ecc24b11c80469deae6067e17a1a7aa9e5c1f234"
+
 [[package]]
 name = "aho-corasick"
 version = "0.7.13"
@@ -329,7 +335,7 @@ dependencies = [
  "actix-http",
  "actix-rt",
  "actix-service",
- "base64",
+ "base64 0.12.3",
  "bytes",
  "derive_more",
  "futures-core",
@@ -351,7 +357,7 @@ dependencies = [
  "addr2line",
  "cfg-if",
  "libc",
- "miniz_oxide",
+ "miniz_oxide 0.4.2",
  "object",
  "rustc-demangle",
 ]
@@ -368,6 +374,12 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3441f0f7b02788e948e47f457ca01f1d7e6d92c693bc132c22b087d3141c03ff"
 
+[[package]]
+name = "base64"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
+
 [[package]]
 name = "bitflags"
 version = "1.2.1"
@@ -409,6 +421,12 @@ version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2e8c087f005730276d1096a652e92a8bacee2e2472bcc9715a74d2bec38b5820"
 
+[[package]]
+name = "bytemuck"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41aa2ec95ca3b5c54cf73c91acf06d24f4495d5f1b1c12506ae3483d646177ac"
+
 [[package]]
 name = "byteorder"
 version = "1.3.4"
@@ -451,6 +469,12 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "color_quant"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0dbbb57365263e881e805dc77d94697c9118fd94d8da011240555aa7b23445bd"
+
 [[package]]
 name = "const_fn"
 version = "0.4.2"
@@ -489,6 +513,63 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "crossbeam-channel"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b153fe7cbef478c567df0f972e02e6d736db11affe43dfc9c56a9374d1adfb87"
+dependencies = [
+ "crossbeam-utils",
+ "maybe-uninit",
+]
+
+[[package]]
+name = "crossbeam-deque"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f02af974daeee82218205558e51ec8768b48cf524bd01d550abe5573a608285"
+dependencies = [
+ "crossbeam-epoch",
+ "crossbeam-utils",
+ "maybe-uninit",
+]
+
+[[package]]
+name = "crossbeam-epoch"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "058ed274caafc1f60c4997b5fc07bf7dc7cca454af7c6e81edffe5f33f70dace"
+dependencies = [
+ "autocfg",
+ "cfg-if",
+ "crossbeam-utils",
+ "lazy_static",
+ "maybe-uninit",
+ "memoffset",
+ "scopeguard",
+]
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
+dependencies = [
+ "autocfg",
+ "cfg-if",
+ "lazy_static",
+]
+
+[[package]]
+name = "deflate"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73770f8e1fe7d64df17ca66ad28994a0a623ea497fa69486e14984e715c5d174"
+dependencies = [
+ "adler32",
+ "byteorder",
+]
+
 [[package]]
 name = "derive_more"
 version = "0.99.11"
@@ -505,8 +586,10 @@ name = "dichroism"
 version = "0.1.0"
 dependencies = [
  "actix-web",
+ "base64 0.13.0",
  "diesel",
  "env_logger",
+ "image",
  "lazy_static",
  "listenfd",
  "log",
@@ -605,7 +688,7 @@ dependencies = [
  "cfg-if",
  "crc32fast",
  "libc",
- "miniz_oxide",
+ "miniz_oxide 0.4.2",
 ]
 
 [[package]]
@@ -743,6 +826,16 @@ dependencies = [
  "wasi",
 ]
 
+[[package]]
+name = "gif"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "02efba560f227847cb41463a7395c514d127d4f74fff12ef0137fff1b84b96c4"
+dependencies = [
+ "color_quant",
+ "weezl",
+]
+
 [[package]]
 name = "gimli"
 version = "0.22.0"
@@ -840,6 +933,24 @@ dependencies = [
  "unicode-normalization",
 ]
 
+[[package]]
+name = "image"
+version = "0.23.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "985fc06b1304d19c28d5c562ed78ef5316183f2b0053b46763a0b94862373c34"
+dependencies = [
+ "bytemuck",
+ "byteorder",
+ "gif",
+ "jpeg-decoder",
+ "num-iter",
+ "num-rational",
+ "num-traits",
+ "png",
+ "scoped_threadpool",
+ "tiff",
+]
+
 [[package]]
 name = "indexmap"
 version = "1.6.0"
@@ -886,6 +997,16 @@ version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc6f3ad7b9d11a0c00842ff8de1b60ee58661048eb8049ed33c73594f359d7e6"
 
+[[package]]
+name = "jpeg-decoder"
+version = "0.1.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc797adac5f083b8ff0ca6f6294a999393d76e197c36488e2ef732c4715f6fa3"
+dependencies = [
+ "byteorder",
+ "rayon",
+]
+
 [[package]]
 name = "kernel32-sys"
 version = "0.2.2"
@@ -968,6 +1089,12 @@ dependencies = [
  "linked-hash-map",
 ]
 
+[[package]]
+name = "lzw"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d947cbb889ed21c2a84be6ffbaebf5b4e0f4340638cba0444907e38b56be084"
+
 [[package]]
 name = "match_cfg"
 version = "0.1.0"
@@ -980,18 +1107,42 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
 
+[[package]]
+name = "maybe-uninit"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
+
 [[package]]
 name = "memchr"
 version = "2.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3728d817d99e5ac407411fa471ff9800a778d88a24685968b36824eaf4bee400"
 
+[[package]]
+name = "memoffset"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "043175f069eda7b85febe4a74abbaeff828d9f8b448515d3151a14a3542811aa"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "mime"
 version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a60c7ce501c71e03a9c9c0d35b861413ae925bd979cc7a4e30d060069aaac8d"
 
+[[package]]
+name = "miniz_oxide"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "791daaae1ed6889560f8c4359194f56648355540573244a5448a83ba1ecc7435"
+dependencies = [
+ "adler32",
+]
+
 [[package]]
 name = "miniz_oxide"
 version = "0.4.2"
@@ -1055,6 +1206,47 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "num-integer"
+version = "0.1.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d59457e662d541ba17869cf51cf177c0b5f0cbf476c66bdc90bf1edac4f875b"
+dependencies = [
+ "autocfg",
+ "num-traits",
+]
+
+[[package]]
+name = "num-iter"
+version = "0.1.41"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a6e6b7c748f995c4c29c5f5ae0248536e04a5739927c74ec0fa564805094b9f"
+dependencies = [
+ "autocfg",
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
+name = "num-rational"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a5b4d7360f362cfb50dde8143501e6940b22f644be75a4cc90b2d81968908138"
+dependencies = [
+ "autocfg",
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac267bcc07f48ee5f8935ab0d24f316fb722d7a1292e2913f0cc196b29ffd611"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "num_cpus"
 version = "1.13.0"
@@ -1153,6 +1345,18 @@ version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d36492546b6af1463394d46f0c834346f31548646f6ba10849802c9c9a27ac33"
 
+[[package]]
+name = "png"
+version = "0.16.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dfe7f9f1c730833200b134370e1d5098964231af8450bce9b78ee3ab5278b970"
+dependencies = [
+ "bitflags",
+ "crc32fast",
+ "deflate",
+ "miniz_oxide 0.3.7",
+]
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.9"
@@ -1236,6 +1440,31 @@ dependencies = [
  "rand_core",
 ]
 
+[[package]]
+name = "rayon"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dcf6960dc9a5b4ee8d3e4c5787b4a112a8818e0290a42ff664ad60692fdf2032"
+dependencies = [
+ "autocfg",
+ "crossbeam-deque",
+ "either",
+ "rayon-core",
+]
+
+[[package]]
+name = "rayon-core"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e8c4fec834fb6e6d2dd5eece3c7b432a52f0ba887cf40e595190c4107edc08bf"
+dependencies = [
+ "crossbeam-channel",
+ "crossbeam-deque",
+ "crossbeam-utils",
+ "lazy_static",
+ "num_cpus",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.1.57"
@@ -1291,6 +1520,12 @@ version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
 
+[[package]]
+name = "scoped_threadpool"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d51f5df5af43ab3f1360b429fa5e0152ac5ce8c0bd6485cae490332e96846a8"
+
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
@@ -1524,6 +1759,17 @@ dependencies = [
  "num_cpus",
 ]
 
+[[package]]
+name = "tiff"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f3b8a87c4da944c3f27e5943289171ac71a6150a79ff6bacfff06d159dfff2f"
+dependencies = [
+ "byteorder",
+ "lzw",
+ "miniz_oxide 0.3.7",
+]
+
 [[package]]
 name = "time"
 version = "0.2.22"
@@ -1806,6 +2052,12 @@ version = "0.2.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1d649a3145108d7d3fbcde896a468d1bd636791823c9921135218ad89be08307"
 
+[[package]]
+name = "weezl"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e0e26e7a4d998e3d7949c69444b8b4916bac810da0d3a82ae612c89e952782f4"
+
 [[package]]
 name = "widestring"
 version = "0.4.2"
diff --git a/dichroism/Cargo.toml b/dichroism/Cargo.toml
index 749d362..1a4679b 100644
--- a/dichroism/Cargo.toml
+++ b/dichroism/Cargo.toml
@@ -15,3 +15,4 @@ lazy_static = "1"
 listenfd = "0.3"
 log = "0.4"
 regex = "1"
+image = "0.23"
diff --git a/dichroism/debug.sh b/dichroism/debug.sh
new file mode 100755
index 0000000..c5d1213
--- /dev/null
+++ b/dichroism/debug.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+systemfd --no-pid -s http::8000 -- cargo watch -x run
diff --git a/dichroism/src/main.rs b/dichroism/src/main.rs
index 77fd0a1..6072198 100644
--- a/dichroism/src/main.rs
+++ b/dichroism/src/main.rs
@@ -1,13 +1,14 @@
 #[macro_use]
 extern crate lazy_static;
 use actix_web::{get, post, App, HttpResponse, HttpServer, Responder};
-use base64;
+use base64::decode;
 use listenfd::ListenFd;
 use regex::Regex;
 
 lazy_static! {
     static ref DATA_URI_RE: Regex =
-        Regex::new("^data:image/(?P<format>png|jpg|jpeg);base64,(?P<data>.+)").unwrap();
+        Regex::new("^data:image/(?P<format>png|jpg|jpeg);base64,(?P<data>.+)")
+            .expect("Couldn't parse Regex!");
 }
 
 #[get("/")]
@@ -20,21 +21,26 @@ async fn create_product(req_body: String) -> impl Responder {
     let caps = if let Some(c) = DATA_URI_RE.captures(&req_body) {
         c
     } else {
-        return HttpResponse::BadRequest().body("Invalid data URI");
+        return HttpResponse::BadRequest().body("Invalid data URI or image format.");
     };
 
-    let format = if let Some(f) = caps.name("format") {
-        f.as_str()
-    } else {
-        return HttpResponse::BadRequest().body("Invalid image format.");
-    };
+    let format = caps
+        .name("format")
+        .expect("Data URI format extraction should never fail.")
+        .as_str();
+    let data = caps
+        .name("data")
+        .expect("Data URI data extraction should never fail.")
+        .as_str();
 
-    let data = if let Some(d) = caps.name("data") {
-        d.as_str()
+    let bytes = if let Ok(b) = decode(data) {
+        b
     } else {
-        return HttpResponse::BadRequest().body("No encoded data.");
+        return HttpResponse::BadRequest().body("Invalid image data in data URI.");
     };
 
+    let img = image::load_from_memory(&bytes).unwrap();
+    img.save("test.png").unwrap();
     HttpResponse::Ok().body(format!("created\n{}\n{}", format, data))
 }
 
@@ -52,10 +58,13 @@ async fn main() -> std::io::Result<()> {
             .service(create_product)
             .service(get_products)
     });
+
     server = if let Some(l) = listenfd.take_tcp_listener(0).unwrap() {
+        // "Debug mode" with cargo watch auto-reloading
         server.listen(l)?
     } else {
-        server.bind("127.0.0.1:8080")?
+        // "Release mode"
+        server.bind("127.0.0.1:8000")?
     };
 
     server.run().await
-- 
cgit v1.2.3