Merge branch 'master' into unify

.drone.yml

@@ -33,4 +33,8 @@ steps:
       from_secret: sccache_s3_endpoint
     SCCACHE_S3_USE_SSL: true
 
+---
+kind: signature
+hmac: 665dab5e07086669c4b215ed86faa0e1e63c495b0bf020099fb1edd33757618b
+
 ...

Cargo.lock

@@ -61,6 +61,27 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
 
+[[package]]
+name = "async-stream"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3670df70cbc01729f901f94c887814b3c68db038aad1329a418bae178bc5295c"
+dependencies = [
+ "async-stream-impl",
+ "futures-core",
+]
+
+[[package]]
+name = "async-stream-impl"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a3548b8efc9f8e8a5a0a2808c5bd8451a9031b9e5b879a79590304ae928b0a70"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "async-trait"
 version = "0.1.42"
@@ -105,30 +126,6 @@ version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
 
-[[package]]
-name = "bb8"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "374bba43fc924d90393ee7768e6f75d223a98307a488fe5bc34b66c3e96932a6"
-dependencies = [
- "async-trait",
- "futures",
- "tokio 0.2.25",
-]
-
-[[package]]
-name = "bb8-postgres"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39a233af6ea3952e20d01863c87b4f6689b2f806249688b0908b5f02d4fa41ac"
-dependencies = [
- "async-trait",
- "bb8",
- "futures",
- "tokio 0.2.25",
- "tokio-postgres 0.5.5",
-]
-
 [[package]]
 name = "bindgen"
 version = "0.54.0"
@@ -835,25 +832,27 @@ dependencies = [
 name = "fuzzysearch"
 version = "0.1.0"
 dependencies = [
- "anyhow",
+ "async-stream",
- "bb8",
- "bb8-postgres",
  "bk-tree",
- "bytes 0.5.6",
+ "bytes 1.0.1",
  "chrono",
  "ffmpeg-next",
  "futures",
- "futures-util",
  "fuzzysearch-common",
  "hamming",
+ "hyper 0.14.4",
  "image",
  "img_hash",
  "infer",
+ "lazy_static",
  "opentelemetry",
  "opentelemetry-jaeger",
+ "prometheus 0.11.0",
+ "reqwest 0.11.1",
  "serde",
- "tokio 0.2.25",
+ "serde_json",
- "tokio-postgres 0.5.5",
+ "sqlx 0.5.1",
+ "tokio 1.2.0",
  "tracing",
  "tracing-futures",
  "tracing-opentelemetry",
@@ -1338,11 +1337,11 @@ checksum = "8906512588cd815b8f759fd0ac11de2a84c985c0f792f70df611e9325c270c1f"
 
 [[package]]
 name = "input_buffer"
-version = "0.3.1"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19a8a95243d5a0398cae618ec29477c6e3cb631152be5c19481f80bc71559754"
+checksum = "f97967975f448f1a7ddb12b0bc41069d09ed6a1c161a92687e057325db35d413"
 dependencies = [
- "bytes 0.5.6",
+ "bytes 1.0.1",
 ]
 
 [[package]]
@@ -2530,7 +2529,7 @@ dependencies = [
  "pin-project-lite 0.2.4",
  "serde",
  "serde_json",
- "serde_urlencoded 0.7.0",
+ "serde_urlencoded",
  "tokio 0.2.25",
  "tokio-tls",
  "url",
@@ -2565,7 +2564,7 @@ dependencies = [
  "pin-project-lite 0.2.4",
  "serde",
  "serde_json",
- "serde_urlencoded 0.7.0",
+ "serde_urlencoded",
  "tokio 1.2.0",
  "tokio-native-tls",
  "url",
@@ -2824,18 +2823,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "serde_urlencoded"
-version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ec5d77e2d4c73717816afac02670d5c4f534ea95ed430442cad02e7a6e32c97"
-dependencies = [
- "dtoa",
- "itoa",
- "serde",
- "url",
-]
-
 [[package]]
 name = "serde_urlencoded"
 version = "0.7.0"
@@ -3516,14 +3503,14 @@ dependencies = [
 
 [[package]]
 name = "tokio-tungstenite"
-version = "0.11.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d9e878ad426ca286e4dcae09cbd4e1973a7f8987d97570e2469703dd7f5720c"
+checksum = "e1a5f475f1b9d077ea1017ecbc60890fda8e54942d680ca0b1d2b47cfa2d861b"
 dependencies = [
  "futures-util",
  "log",
- "pin-project 0.4.27",
+ "pin-project 1.0.5",
- "tokio 0.2.25",
+ "tokio 1.2.0",
  "tungstenite",
 ]
 
@@ -3699,18 +3686,18 @@ checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
 
 [[package]]
 name = "tungstenite"
-version = "0.11.1"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0308d80d86700c5878b9ef6321f020f29b1bb9d5ff3cab25e75e23f3a492a23"
+checksum = "8ada8297e8d70872fa9a551d93250a9f407beb9f37ef86494eb20012a2ff7c24"
 dependencies = [
- "base64 0.12.3",
+ "base64 0.13.0",
  "byteorder",
- "bytes 0.5.6",
+ "bytes 1.0.1",
  "http",
  "httparse",
  "input_buffer",
  "log",
- "rand 0.7.3",
+ "rand 0.8.3",
  "sha-1 0.9.4",
  "url",
  "utf-8",
@@ -3812,12 +3799,6 @@ dependencies = [
  "percent-encoding",
 ]
 
-[[package]]
-name = "urlencoding"
-version = "1.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c9232eb53352b4442e40d7900465dfc534e8cb2dc8f18656fcb2ac16112b5593"
-
 [[package]]
 name = "utf-8"
 version = "0.7.5"
@@ -3848,30 +3829,32 @@ dependencies = [
 
 [[package]]
 name = "warp"
-version = "0.2.5"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f41be6df54c97904af01aa23e613d4521eed7ab23537cede692d4058f6449407"
+checksum = "3dafd0aac2818a94a34df0df1100a7356c493d8ede4393875fd0b5c51bb6bc80"
 dependencies = [
- "bytes 0.5.6",
+ "bytes 1.0.1",
  "futures",
  "headers",
  "http",
- "hyper 0.13.10",
+ "hyper 0.14.4",
  "log",
  "mime",
  "mime_guess",
  "multipart",
- "pin-project 0.4.27",
+ "percent-encoding",
+ "pin-project 1.0.5",
  "scoped-tls",
  "serde",
  "serde_json",
- "serde_urlencoded 0.6.1",
+ "serde_urlencoded",
- "tokio 0.2.25",
+ "tokio 1.2.0",
+ "tokio-stream",
  "tokio-tungstenite",
+ "tokio-util 0.6.3",
  "tower-service",
  "tracing",
  "tracing-futures",
- "urlencoding",
 ]
 
 [[package]]

fuzzysearch-common/src/types.rs

@@ -1,5 +1,28 @@
 use serde::Serialize;
 
+#[derive(Debug, Serialize)]
+#[serde(rename_all = "lowercase")]
+pub enum Rating {
+    General,
+    Mature,
+    Adult,
+}
+
+impl std::str::FromStr for Rating {
+    type Err = &'static str;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        let rating = match s {
+            "g" | "s" | "general" => Self::General,
+            "m" | "q" | "mature" => Self::Mature,
+            "a" | "e" | "adult" => Self::Adult,
+            _ => return Err("unknown rating"),
+        };
+
+        Ok(rating)
+    }
+}
+
 /// A general type for every result in a search.
 #[derive(Debug, Default, Serialize)]
 pub struct SearchResult {
@@ -11,6 +34,7 @@ pub struct SearchResult {
     pub url: String,
     pub filename: String,
     pub artists: Option<Vec<String>>,
+    pub rating: Option<Rating>,
 
     #[serde(skip_serializing_if = "Option::is_none")]
     #[serde(flatten)]

fuzzysearch-ingest-furaffinity/src/main.rs

@@ -165,7 +165,7 @@ async fn main() {
 
     tokio::spawn(async move {
         if let Err(e) = connection.await {
-            panic!(e);
+            panic!("postgres connection error: {:?}", e);
         }
     });
 

fuzzysearch/Cargo.toml

@@ -9,29 +9,33 @@ tracing = "0.1"
 tracing-subscriber = "0.2"
 tracing-futures = "0.2"
 
+prometheus = { version = "0.11", features = ["process"] }
+lazy_static = "1"
+
 opentelemetry = "0.6"
 opentelemetry-jaeger = "0.5"
 tracing-opentelemetry = "0.5"
 
-tokio = { version = "0.2", features = ["full"] }
+tokio = { version = "1", features = ["full"] }
-futures = "0.3"
+async-stream = "0.3"
-futures-util = "0.3"
+
+futures = "0.3"
 
-anyhow = "1"
 chrono = "0.4"
-bytes = "0.5"
+bytes = "1"
-infer = { version = "0.3", default-features = false }
 
 serde = { version = "1", features = ["derive"] }
-warp = "0.2"
+serde_json = "1"
 
-tokio-postgres = "0.5"
+warp = "0.3"
-bb8 = "0.4"
+reqwest = "0.11"
-bb8-postgres = "0.4"
+hyper = "0.14"
 
-image = "0.23"
+sqlx = { version = "0.5", features = ["runtime-tokio-native-tls", "postgres", "macros", "json", "offline"] }
+
+infer = { version = "0.3", default-features = false }
 ffmpeg-next = "4"
-
+image = "0.23"
 img_hash = "3"
 hamming = "0.1"
 

fuzzysearch/Dockerfile

@@ -1,10 +1,14 @@
 FROM rust:1-slim AS builder
 WORKDIR /src
+ENV SQLX_OFFLINE=true
+RUN apt-get update -y && apt-get install -y libssl-dev pkg-config
 COPY . .
 RUN cargo install --root / --path .
 
 FROM debian:buster-slim
-EXPOSE 8080
+EXPOSE 8080 8081
+ENV METRICS_HOST=0.0.0.0:8081
 WORKDIR /app
+RUN apt-get update -y && apt-get install -y openssl ca-certificates && rm -rf /var/lib/apt/lists/*
 COPY --from=builder /bin/fuzzysearch /bin/fuzzysearch
 CMD ["/bin/fuzzysearch"]

fuzzysearch/sqlx-data.json

@@ -0,0 +1,200 @@
+{
+  "db": "PostgreSQL",
+  "1984ce60f052d6a29638f8e05b35671b8edfbf273783d4b843ebd35cbb8a391f": {
+    "query": "INSERT INTO\n            rate_limit (api_key_id, time_window, group_name, count)\n        VALUES\n            ($1, $2, $3, $4)\n        ON CONFLICT ON CONSTRAINT unique_window\n            DO UPDATE set count = rate_limit.count + $4\n        RETURNING rate_limit.count",
+    "describe": {
+      "columns": [
+        {
+          "ordinal": 0,
+          "name": "count",
+          "type_info": "Int2"
+        }
+      ],
+      "parameters": {
+        "Left": [
+          "Int4",
+          "Int8",
+          "Text",
+          "Int2"
+        ]
+      },
+      "nullable": [
+        false
+      ]
+    }
+  },
+  "1bd0057782de5a3b41f90081a31d24d14bb70299391050c3404742a6d2915d9e": {
+    "query": "SELECT\n                        hashes.id,\n                        hashes.hash,\n                        hashes.furaffinity_id,\n                        hashes.e621_id,\n                        hashes.twitter_id,\n                    CASE\n                        WHEN furaffinity_id IS NOT NULL THEN (f.url)\n                        WHEN e621_id IS NOT NULL THEN (e.data->'file'->>'url')\n                        WHEN twitter_id IS NOT NULL THEN (tm.url)\n                    END url,\n                    CASE\n                        WHEN furaffinity_id IS NOT NULL THEN (f.filename)\n                        WHEN e621_id IS NOT NULL THEN ((e.data->'file'->>'md5') || '.' || (e.data->'file'->>'ext'))\n                        WHEN twitter_id IS NOT NULL THEN (SELECT split_part(split_part(tm.url, '/', 5), ':', 1))\n                    END filename,\n                    CASE\n                        WHEN furaffinity_id IS NOT NULL THEN (ARRAY(SELECT f.name))\n                        WHEN e621_id IS NOT NULL THEN ARRAY(SELECT jsonb_array_elements_text(e.data->'tags'->'artist'))\n                        WHEN twitter_id IS NOT NULL THEN ARRAY(SELECT tw.data->'user'->>'screen_name')\n                    END artists,\n                    CASE\n                        WHEN furaffinity_id IS NOT NULL THEN (f.file_id)\n                    END file_id,\n                    CASE\n                        WHEN e621_id IS NOT NULL THEN ARRAY(SELECT jsonb_array_elements_text(e.data->'sources'))\n                    END sources,\n                    CASE\n                        WHEN furaffinity_id IS NOT NULL THEN (f.rating)\n                        WHEN e621_id IS NOT NULL THEN (e.data->>'rating')\n                        WHEN twitter_id IS NOT NULL THEN\n                            CASE\n                                WHEN (tw.data->'possibly_sensitive')::boolean IS true THEN 'adult'\n                                WHEN (tw.data->'possibly_sensitive')::boolean IS false THEN 'general'\n                            END\n                    END rating\n                FROM\n                    hashes\n                LEFT JOIN LATERAL (\n                    SELECT *\n                    FROM submission\n                    JOIN artist ON submission.artist_id = artist.id\n                    WHERE submission.id = hashes.furaffinity_id\n                ) f ON hashes.furaffinity_id IS NOT NULL\n                LEFT JOIN LATERAL (\n                    SELECT *\n                    FROM e621\n                    WHERE e621.id = hashes.e621_id\n                ) e ON hashes.e621_id IS NOT NULL\n                LEFT JOIN LATERAL (\n                    SELECT *\n                    FROM tweet\n                    WHERE tweet.id = hashes.twitter_id\n                ) tw ON hashes.twitter_id IS NOT NULL\n                LEFT JOIN LATERAL (\n                    SELECT *\n                    FROM tweet_media\n                    WHERE\n                        tweet_media.tweet_id = hashes.twitter_id AND\n                        tweet_media.hash <@ (hashes.hash, 0)\n                    LIMIT 1\n                ) tm ON hashes.twitter_id IS NOT NULL\n                WHERE hashes.id = $1",
+    "describe": {
+      "columns": [
+        {
+          "ordinal": 0,
+          "name": "id",
+          "type_info": "Int4"
+        },
+        {
+          "ordinal": 1,
+          "name": "hash",
+          "type_info": "Int8"
+        },
+        {
+          "ordinal": 2,
+          "name": "furaffinity_id",
+          "type_info": "Int4"
+        },
+        {
+          "ordinal": 3,
+          "name": "e621_id",
+          "type_info": "Int4"
+        },
+        {
+          "ordinal": 4,
+          "name": "twitter_id",
+          "type_info": "Int8"
+        },
+        {
+          "ordinal": 5,
+          "name": "url",
+          "type_info": "Text"
+        },
+        {
+          "ordinal": 6,
+          "name": "filename",
+          "type_info": "Text"
+        },
+        {
+          "ordinal": 7,
+          "name": "artists",
+          "type_info": "TextArray"
+        },
+        {
+          "ordinal": 8,
+          "name": "file_id",
+          "type_info": "Int4"
+        },
+        {
+          "ordinal": 9,
+          "name": "sources",
+          "type_info": "TextArray"
+        },
+        {
+          "ordinal": 10,
+          "name": "rating",
+          "type_info": "Bpchar"
+        }
+      ],
+      "parameters": {
+        "Left": [
+          "Int4"
+        ]
+      },
+      "nullable": [
+        false,
+        false,
+        true,
+        true,
+        true,
+        null,
+        null,
+        null,
+        null,
+        null,
+        null
+      ]
+    }
+  },
+  "659ee9ddc1c5ccd42ba9dc1617440544c30ece449ba3ba7f9d39f447b8af3cfe": {
+    "query": "SELECT\n            api_key.id,\n            api_key.name_limit,\n            api_key.image_limit,\n            api_key.hash_limit,\n            api_key.name,\n            account.email owner_email\n        FROM\n            api_key\n        JOIN account\n            ON account.id = api_key.user_id\n        WHERE\n            api_key.key = $1\n    ",
+    "describe": {
+      "columns": [
+        {
+          "ordinal": 0,
+          "name": "id",
+          "type_info": "Int4"
+        },
+        {
+          "ordinal": 1,
+          "name": "name_limit",
+          "type_info": "Int2"
+        },
+        {
+          "ordinal": 2,
+          "name": "image_limit",
+          "type_info": "Int2"
+        },
+        {
+          "ordinal": 3,
+          "name": "hash_limit",
+          "type_info": "Int2"
+        },
+        {
+          "ordinal": 4,
+          "name": "name",
+          "type_info": "Varchar"
+        },
+        {
+          "ordinal": 5,
+          "name": "owner_email",
+          "type_info": "Varchar"
+        }
+      ],
+      "parameters": {
+        "Left": [
+          "Text"
+        ]
+      },
+      "nullable": [
+        false,
+        false,
+        false,
+        false,
+        true,
+        false
+      ]
+    }
+  },
+  "6b8d304fc40fa539ae671e6e24e7978ad271cb7a1cafb20fc4b4096a958d790f": {
+    "query": "SELECT exists(SELECT 1 FROM twitter_user WHERE lower(data->>'screen_name') = lower($1))",
+    "describe": {
+      "columns": [
+        {
+          "ordinal": 0,
+          "name": "exists",
+          "type_info": "Bool"
+        }
+      ],
+      "parameters": {
+        "Left": [
+          "Text"
+        ]
+      },
+      "nullable": [
+        null
+      ]
+    }
+  },
+  "fe60be66b2d8a8f02b3bfe06d1f0e57e4bb07e80cba1b379a5f17f6cbd8b075c": {
+    "query": "SELECT id, hash FROM hashes",
+    "describe": {
+      "columns": [
+        {
+          "ordinal": 0,
+          "name": "id",
+          "type_info": "Int4"
+        },
+        {
+          "ordinal": 1,
+          "name": "hash",
+          "type_info": "Int8"
+        }
+      ],
+      "parameters": {
+        "Left": []
+      },
+      "nullable": [
+        false,
+        false
+      ]
+    }
+  }
+}

fuzzysearch/src/filters.rs

@@ -10,10 +10,11 @@ pub fn search(
 ) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
     search_image(db.clone(), tree.clone())
         .or(search_hashes(db.clone(), tree.clone()))
-        .or(stream_search_image(db.clone(), tree))
+        .or(stream_search_image(db.clone(), tree.clone()))
         .or(search_file(db.clone()))
         .or(search_video(db.clone()))
-        .or(check_handle(db))
+        .or(check_handle(db.clone()))
+        .or(search_image_by_url(db, tree))
 }
 
 pub fn search_file(db: Pool) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
@@ -55,6 +56,19 @@ pub fn search_image(
         })
 }
 
+pub fn search_image_by_url(
+    db: Pool,
+    tree: Tree,
+) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
+    warp::path("url")
+        .and(warp::get())
+        .and(warp::query::<UrlSearchOpts>())
+        .and(with_pool(db))
+        .and(with_tree(tree))
+        .and(with_api_key())
+        .and_then(handlers::search_image_by_url)
+}
+
 pub fn search_hashes(
     db: Pool,
     tree: Tree,

fuzzysearch/src/handlers.rs

@@ -1,46 +1,92 @@
-use crate::models::{image_query, image_query_sync};
+use lazy_static::lazy_static;
-use crate::types::*;
+use prometheus::{register_histogram, register_int_counter, Histogram, IntCounter};
-use crate::{rate_limit, Pool, Tree};
+use std::convert::TryInto;
 use tracing::{span, warn};
 use tracing_futures::Instrument;
-use warp::{reject, Rejection, Reply};
+use warp::{Rejection, Reply};
 
+use crate::models::{image_query, image_query_sync};
+use crate::types::*;
+use crate::{early_return, rate_limit, Pool, Tree};
 use fuzzysearch_common::types::{SearchResult, SiteInfo};
 
-fn map_bb8_err(err: bb8::RunError<tokio_postgres::Error>) -> Rejection {
+lazy_static! {
-    reject::custom(Error::from(err))
+    static ref IMAGE_HASH_DURATION: Histogram = register_histogram!(
-}
+        "fuzzysearch_api_image_hash_seconds",
-
+        "Duration to perform an image hash operation"
-fn map_postgres_err(err: tokio_postgres::Error) -> Rejection {
+    )
-    reject::custom(Error::from(err))
+    .unwrap();
+    static ref IMAGE_URL_DOWNLOAD_DURATION: Histogram = register_histogram!(
+        "fuzzysearch_api_image_url_download_seconds",
+        "Duration to download an image from a provided URL"
+    )
+    .unwrap();
+    static ref UNHANDLED_REJECTIONS: IntCounter = register_int_counter!(
+        "fuzzysearch_api_unhandled_rejections_count",
+        "Number of unhandled HTTP rejections"
+    )
+    .unwrap();
 }
 
 #[derive(Debug)]
 enum Error {
-    BB8(bb8::RunError<tokio_postgres::Error>),
+    Postgres(sqlx::Error),
-    Postgres(tokio_postgres::Error),
+    Reqwest(reqwest::Error),
     InvalidData,
+    InvalidImage,
     ApiKey,
     RateLimit,
 }
 
-impl From<bb8::RunError<tokio_postgres::Error>> for Error {
+impl warp::Reply for Error {
-    fn from(err: bb8::RunError<tokio_postgres::Error>) -> Self {
+    fn into_response(self) -> warp::reply::Response {
-        Error::BB8(err)
+        let msg = match self {
+            Error::Postgres(_) | Error::Reqwest(_) => ErrorMessage {
+                code: 500,
+                message: "Internal server error".to_string(),
+            },
+            Error::InvalidData => ErrorMessage {
+                code: 400,
+                message: "Invalid data provided".to_string(),
+            },
+            Error::InvalidImage => ErrorMessage {
+                code: 400,
+                message: "Invalid image provided".to_string(),
+            },
+            Error::ApiKey => ErrorMessage {
+                code: 401,
+                message: "Invalid API key".to_string(),
+            },
+            Error::RateLimit => ErrorMessage {
+                code: 429,
+                message: "Too many requests".to_string(),
+            },
+        };
+
+        let body = hyper::body::Body::from(serde_json::to_string(&msg).unwrap());
+
+        warp::http::Response::builder()
+            .status(msg.code)
+            .body(body)
+            .unwrap()
     }
 }
 
-impl From<tokio_postgres::Error> for Error {
+impl From<sqlx::Error> for Error {
-    fn from(err: tokio_postgres::Error) -> Self {
+    fn from(err: sqlx::Error) -> Self {
         Error::Postgres(err)
     }
 }
 
-impl warp::reject::Reject for Error {}
+impl From<reqwest::Error> for Error {
+    fn from(err: reqwest::Error) -> Self {
+        Error::Reqwest(err)
+    }
+}
 
 async fn get_field_bytes(form: warp::multipart::FormData, field: &str) -> bytes::BytesMut {
     use bytes::BufMut;
-    use futures_util::StreamExt;
+    use futures::StreamExt;
 
     let parts: Vec<_> = form.collect().await;
     let mut parts = parts
@@ -66,6 +112,7 @@ async fn hash_input(form: warp::multipart::FormData) -> (i64, img_hash::ImageHas
 
     let len = bytes.len();
 
+    let _timer = IMAGE_HASH_DURATION.start_timer();
     let hash = tokio::task::spawn_blocking(move || {
         let hasher = fuzzysearch_common::get_hasher();
         let image = image::load_from_memory(&bytes).unwrap();
@@ -74,6 +121,7 @@ async fn hash_input(form: warp::multipart::FormData) -> (i64, img_hash::ImageHas
     .instrument(span!(tracing::Level::TRACE, "hashing image", len))
     .await
     .unwrap();
+    drop(_timer);
 
     let mut buf: [u8; 8] = [0; 8];
     buf.copy_from_slice(&hash.as_bytes());
@@ -83,7 +131,7 @@ async fn hash_input(form: warp::multipart::FormData) -> (i64, img_hash::ImageHas
 
 #[tracing::instrument(skip(form))]
 async fn hash_video(form: warp::multipart::FormData) -> Vec<[u8; 8]> {
-    use bytes::buf::BufExt;
+    use bytes::Buf;
 
     let bytes = get_field_bytes(form, "video").await;
 
@@ -106,21 +154,19 @@ async fn hash_video(form: warp::multipart::FormData) -> Vec<[u8; 8]> {
 pub async fn search_image(
     form: warp::multipart::FormData,
     opts: ImageSearchOpts,
-    pool: Pool,
+    db: Pool,
     tree: Tree,
     api_key: String,
-) -> Result<impl Reply, Rejection> {
+) -> Result<Box<dyn Reply>, Rejection> {
-    let db = pool.get().await.map_err(map_bb8_err)?;
+    let image_remaining = rate_limit!(&api_key, &db, image_limit, "image");
-
+    let hash_remaining = rate_limit!(&api_key, &db, hash_limit, "hash");
-    rate_limit!(&api_key, &db, image_limit, "image");
-    rate_limit!(&api_key, &db, hash_limit, "hash");
 
     let (num, hash) = hash_input(form).await;
 
     let mut items = {
         if opts.search_type == Some(ImageSearchType::Force) {
             image_query(
-                pool.clone(),
+                db.clone(),
                 tree.clone(),
                 vec![num],
                 10,
@@ -130,7 +176,7 @@ pub async fn search_image(
             .unwrap()
         } else {
             let results = image_query(
-                pool.clone(),
+                db.clone(),
                 tree.clone(),
                 vec![num],
                 0,
@@ -140,7 +186,7 @@ pub async fn search_image(
             .unwrap();
             if results.is_empty() && opts.search_type != Some(ImageSearchType::Exact) {
                 image_query(
-                    pool.clone(),
+                    db.clone(),
                     tree.clone(),
                     vec![num],
                     10,
@@ -166,7 +212,20 @@ pub async fn search_image(
         matches: items,
     };
 
-    Ok(warp::reply::json(&similarity))
+    let resp = warp::http::Response::builder()
+        .header("x-image-hash", num.to_string())
+        .header("x-rate-limit-total-image", image_remaining.1.to_string())
+        .header(
+            "x-rate-limit-remaining-image",
+            image_remaining.0.to_string(),
+        )
+        .header("x-rate-limit-total-hash", hash_remaining.1.to_string())
+        .header("x-rate-limit-remaining-hash", hash_remaining.0.to_string())
+        .header("content-type", "application/json")
+        .body(serde_json::to_string(&similarity).unwrap())
+        .unwrap();
+
+    Ok(Box::new(resp))
 }
 
 pub async fn stream_image(
@@ -174,34 +233,36 @@ pub async fn stream_image(
     pool: Pool,
     tree: Tree,
     api_key: String,
-) -> Result<impl Reply, Rejection> {
+) -> Result<Box<dyn Reply>, Rejection> {
-    use futures_util::StreamExt;
+    rate_limit!(&api_key, &pool, image_limit, "image", 2);
-
+    rate_limit!(&api_key, &pool, hash_limit, "hash");
-    let db = pool.get().await.map_err(map_bb8_err)?;
-
-    rate_limit!(&api_key, &db, image_limit, "image", 2);
-    rate_limit!(&api_key, &db, hash_limit, "hash");
 
     let (num, hash) = hash_input(form).await;
 
-    let event_stream = image_query_sync(
+    let mut query = image_query_sync(
         pool.clone(),
         tree,
         vec![num],
         10,
         Some(hash.as_bytes().to_vec()),
-    )
+    );
-    .map(sse_matches);
 
-    Ok(warp::sse::reply(event_stream))
+    let event_stream = async_stream::stream! {
+        while let Some(result) = query.recv().await {
+            yield sse_matches(result);
+        }
+    };
+
+    Ok(Box::new(warp::sse::reply(event_stream)))
 }
 
+#[allow(clippy::unnecessary_wraps)]
 fn sse_matches(
-    matches: Result<Vec<SearchResult>, tokio_postgres::Error>,
+    matches: Result<Vec<SearchResult>, sqlx::Error>,
-) -> Result<impl warp::sse::ServerSentEvent, core::convert::Infallible> {
+) -> Result<warp::sse::Event, core::convert::Infallible> {
     let items = matches.unwrap();
 
-    Ok(warp::sse::json(items))
+    Ok(warp::sse::Event::default().json_data(items).unwrap())
 }
 
 pub async fn search_hashes(
@@ -209,9 +270,8 @@ pub async fn search_hashes(
     db: Pool,
     tree: Tree,
     api_key: String,
-) -> Result<impl Reply, Rejection> {
+) -> Result<Box<dyn Reply>, Rejection> {
     let pool = db.clone();
-    let db = db.get().await.map_err(map_bb8_err)?;
 
     let hashes: Vec<i64> = opts
         .hashes
@@ -221,10 +281,10 @@ pub async fn search_hashes(
         .collect();
 
     if hashes.is_empty() {
-        return Err(warp::reject::custom(Error::InvalidData));
+        return Ok(Box::new(Error::InvalidData));
     }
 
-    rate_limit!(&api_key, &db, image_limit, "image", hashes.len() as i16);
+    let image_remaining = rate_limit!(&api_key, &db, image_limit, "image", hashes.len() as i16);
 
     let mut results = image_query_sync(
         pool,
@@ -236,38 +296,39 @@ pub async fn search_hashes(
     let mut matches = Vec::new();
 
     while let Some(r) = results.recv().await {
-        matches.extend(r.map_err(|e| warp::reject::custom(Error::Postgres(e)))?);
+        matches.extend(early_return!(r));
     }
 
-    Ok(warp::reply::json(&matches))
+    let resp = warp::http::Response::builder()
+        .header("x-rate-limit-total-image", image_remaining.1.to_string())
+        .header(
+            "x-rate-limit-remaining-image",
+            image_remaining.0.to_string(),
+        )
+        .header("content-type", "application/json")
+        .body(serde_json::to_string(&matches).unwrap())
+        .unwrap();
+
+    Ok(Box::new(resp))
 }
 
 pub async fn search_file(
     opts: FileSearchOpts,
     db: Pool,
     api_key: String,
-) -> Result<impl Reply, Rejection> {
+) -> Result<Box<dyn Reply>, Rejection> {
-    let db = db.get().await.map_err(map_bb8_err)?;
+    use sqlx::Row;
 
-    rate_limit!(&api_key, &db, name_limit, "file");
+    let file_remaining = rate_limit!(&api_key, &db, name_limit, "file");
 
-    let (filter, val): (&'static str, &(dyn tokio_postgres::types::ToSql + Sync)) =
+    let query = if let Some(ref id) = opts.id {
-        if let Some(ref id) = opts.id {
+        sqlx::query(
-            ("file_id = $1", id)
-        } else if let Some(ref name) = opts.name {
-            ("lower(filename) = lower($1)", name)
-        } else if let Some(ref url) = opts.url {
-            ("lower(url) = lower($1)", url)
-        } else {
-            return Err(warp::reject::custom(Error::InvalidData));
-        };
-
-    let query = format!(
             "SELECT
                     submission.id,
                     submission.url,
                     submission.filename,
                     submission.file_id,
+                    submission.rating,
                     artist.name,
                     hashes.id hash_id
                 FROM
@@ -277,25 +338,65 @@ pub async fn search_file(
                 JOIN hashes
                     ON hashes.furaffinity_id = submission.id
                 WHERE
-            {}
+                    file_id = $1
                 LIMIT 10",
-        filter
+        )
-    );
+        .bind(id)
+    } else if let Some(ref name) = opts.name {
+        sqlx::query(
+            "SELECT
+                    submission.id,
+                    submission.url,
+                    submission.filename,
+                    submission.file_id,
+                    submission.rating,
+                    artist.name,
+                    hashes.id hash_id
+                FROM
+                    submission
+                JOIN artist
+                    ON artist.id = submission.artist_id
+                JOIN hashes
+                    ON hashes.furaffinity_id = submission.id
+                WHERE
+                    lower(filename) = lower($1)
+                LIMIT 10",
+        )
+        .bind(name)
+    } else if let Some(ref url) = opts.url {
+        sqlx::query(
+            "SELECT
+                    submission.id,
+                    submission.url,
+                    submission.filename,
+                    submission.file_id,
+                    submission.rating,
+                    artist.name,
+                    hashes.id hash_id
+                FROM
+                    submission
+                JOIN artist
+                    ON artist.id = submission.artist_id
+                JOIN hashes
+                    ON hashes.furaffinity_id = submission.id
+                WHERE
+                    lower(url) = lower($1)
+                LIMIT 10",
+        )
+        .bind(url)
+    } else {
+        return Ok(Box::new(Error::InvalidData));
+    };
 
-    let matches: Vec<_> = db
+    let matches: Result<Vec<SearchResult>, _> = query
-        .query::<str>(&*query, &[val])
-        .instrument(span!(tracing::Level::TRACE, "waiting for db"))
-        .await
-        .map_err(map_postgres_err)?
-        .into_iter()
         .map(|row| SearchResult {
             id: row.get("hash_id"),
-            site_id: row.get::<&str, i32>("id") as i64,
+            site_id: row.get::<i32, _>("id") as i64,
-            site_id_str: row.get::<&str, i32>("id").to_string(),
+            site_id_str: row.get::<i32, _>("id").to_string(),
             url: row.get("url"),
             filename: row.get("filename"),
             artists: row
-                .get::<&str, Option<String>>("name")
+                .get::<Option<String>, _>("name")
                 .map(|artist| vec![artist]),
             distance: None,
             hash: None,
@@ -303,10 +404,23 @@ pub async fn search_file(
                 file_id: row.get("file_id"),
             }),
             searched_hash: None,
+            rating: row
+                .get::<Option<String>, _>("rating")
+                .and_then(|rating| rating.parse().ok()),
         })
-        .collect();
+        .fetch_all(&db)
+        .await;
 
-    Ok(warp::reply::json(&matches))
+    let matches = early_return!(matches);
+
+    let resp = warp::http::Response::builder()
+        .header("x-rate-limit-total-file", file_remaining.1.to_string())
+        .header("x-rate-limit-remaining-file", file_remaining.0.to_string())
+        .header("content-type", "application/json")
+        .body(serde_json::to_string(&matches).unwrap())
+        .unwrap();
+
+    Ok(Box::new(resp))
 }
 
 pub async fn search_video(
@@ -319,56 +433,116 @@ pub async fn search_video(
     Ok(warp::reply::json(&hashes))
 }
 
-pub async fn check_handle(opts: HandleOpts, db: Pool) -> Result<impl Reply, Rejection> {
+pub async fn check_handle(opts: HandleOpts, db: Pool) -> Result<Box<dyn Reply>, Rejection> {
-    let db = db.get().await.map_err(map_bb8_err)?;
-
     let exists = if let Some(handle) = opts.twitter {
-        !db.query(
+        let result = sqlx::query_scalar!("SELECT exists(SELECT 1 FROM twitter_user WHERE lower(data->>'screen_name') = lower($1))", handle)
-            "SELECT 1 FROM twitter_user WHERE lower(data->>'screen_name') = lower($1)",
+            .fetch_optional(&db)
-            &[&handle],
-        )
             .await
-        .map_err(map_postgres_err)?
+            .map(|row| row.flatten().unwrap_or(false));
-        .is_empty()
+
+        early_return!(result)
     } else {
         false
     };
 
-    Ok(warp::reply::json(&exists))
+    Ok(Box::new(warp::reply::json(&exists)))
+}
+
+pub async fn search_image_by_url(
+    opts: UrlSearchOpts,
+    db: Pool,
+    tree: Tree,
+    api_key: String,
+) -> Result<Box<dyn Reply>, Rejection> {
+    use bytes::BufMut;
+
+    let url = opts.url;
+
+    let image_remaining = rate_limit!(&api_key, &db, image_limit, "image");
+    let hash_remaining = rate_limit!(&api_key, &db, hash_limit, "hash");
+
+    let _timer = IMAGE_URL_DOWNLOAD_DURATION.start_timer();
+
+    let mut resp = match reqwest::get(&url).await {
+        Ok(resp) => resp,
+        Err(_err) => return Ok(Box::new(Error::InvalidImage)),
+    };
+
+    let content_length = resp
+        .headers()
+        .get("content-length")
+        .and_then(|len| {
+            String::from_utf8_lossy(len.as_bytes())
+                .parse::<usize>()
+                .ok()
+        })
+        .unwrap_or(0);
+
+    if content_length > 10_000_000 {
+        return Ok(Box::new(Error::InvalidImage));
+    }
+
+    let mut buf = bytes::BytesMut::with_capacity(content_length);
+
+    while let Some(chunk) = early_return!(resp.chunk().await) {
+        if buf.len() + chunk.len() > 10_000_000 {
+            return Ok(Box::new(Error::InvalidImage));
+        }
+
+        buf.put(chunk);
+    }
+
+    drop(_timer);
+
+    let _timer = IMAGE_HASH_DURATION.start_timer();
+    let hash = tokio::task::spawn_blocking(move || {
+        let hasher = fuzzysearch_common::get_hasher();
+        let image = image::load_from_memory(&buf).unwrap();
+        hasher.hash_image(&image)
+    })
+    .instrument(span!(tracing::Level::TRACE, "hashing image"))
+    .await
+    .unwrap();
+    drop(_timer);
+
+    let hash: [u8; 8] = hash.as_bytes().try_into().unwrap();
+    let num = i64::from_be_bytes(hash);
+
+    let results = image_query(db.clone(), tree.clone(), vec![num], 3, Some(hash.to_vec()))
+        .await
+        .unwrap();
+
+    let resp = warp::http::Response::builder()
+        .header("x-image-hash", num.to_string())
+        .header("x-rate-limit-total-image", image_remaining.1.to_string())
+        .header(
+            "x-rate-limit-remaining-image",
+            image_remaining.0.to_string(),
+        )
+        .header("x-rate-limit-total-hash", hash_remaining.1.to_string())
+        .header("x-rate-limit-remaining-hash", hash_remaining.0.to_string())
+        .header("content-type", "application/json")
+        .body(serde_json::to_string(&results).unwrap())
+        .unwrap();
+
+    Ok(Box::new(resp))
 }
 
 #[tracing::instrument]
-pub async fn handle_rejection(err: Rejection) -> Result<impl Reply, std::convert::Infallible> {
+pub async fn handle_rejection(err: Rejection) -> Result<Box<dyn Reply>, std::convert::Infallible> {
     warn!("had rejection");
 
+    UNHANDLED_REJECTIONS.inc();
+
     let (code, message) = if err.is_not_found() {
         (
             warp::http::StatusCode::NOT_FOUND,
             "This page does not exist",
         )
-    } else if let Some(err) = err.find::<Error>() {
+    } else if err.find::<warp::reject::InvalidQuery>().is_some() {
-        match err {
+        return Ok(Box::new(Error::InvalidData) as Box<dyn Reply>);
-            Error::BB8(_inner) => (
+    } else if err.find::<warp::reject::MethodNotAllowed>().is_some() {
-                warp::http::StatusCode::INTERNAL_SERVER_ERROR,
+        return Ok(Box::new(Error::InvalidData) as Box<dyn Reply>);
-                "A database error occured",
-            ),
-            Error::Postgres(_inner) => (
-                warp::http::StatusCode::INTERNAL_SERVER_ERROR,
-                "A database error occured",
-            ),
-            Error::InvalidData => (
-                warp::http::StatusCode::BAD_REQUEST,
-                "Unable to operate on provided data",
-            ),
-            Error::ApiKey => (
-                warp::http::StatusCode::UNAUTHORIZED,
-                "Invalid API key provided",
-            ),
-            Error::RateLimit => (
-                warp::http::StatusCode::TOO_MANY_REQUESTS,
-                "Your API token is rate limited",
-            ),
-        }
     } else {
         (
             warp::http::StatusCode::INTERNAL_SERVER_ERROR,
@@ -381,5 +555,5 @@ pub async fn handle_rejection(err: Rejection) -> Result<impl Reply, std::convert
         message: message.into(),
     });
 
-    Ok(warp::reply::with_status(json, code))
+    Ok(Box::new(warp::reply::with_status(json, code)))
 }

fuzzysearch/src/main.rs

@@ -1,8 +1,8 @@
 #![recursion_limit = "256"]
 
-use std::str::FromStr;
 use std::sync::Arc;
 use tokio::sync::RwLock;
+use warp::Filter;
 
 mod filters;
 mod handlers;
@@ -10,7 +10,65 @@ mod models;
 mod types;
 mod utils;
 
-use warp::Filter;
+type Tree = Arc<RwLock<bk_tree::BKTree<Node, Hamming>>>;
+type Pool = sqlx::PgPool;
+
+#[derive(Debug)]
+pub struct Node {
+    id: i32,
+    hash: [u8; 8],
+}
+
+impl Node {
+    pub fn query(hash: [u8; 8]) -> Self {
+        Self { id: -1, hash }
+    }
+}
+
+pub struct Hamming;
+
+impl bk_tree::Metric<Node> for Hamming {
+    fn distance(&self, a: &Node, b: &Node) -> u64 {
+        hamming::distance_fast(&a.hash, &b.hash).unwrap()
+    }
+}
+
+#[tokio::main]
+async fn main() {
+    configure_tracing();
+
+    ffmpeg_next::init().expect("Unable to initialize ffmpeg");
+
+    let s = std::env::var("DATABASE_URL").expect("Missing DATABASE_URL");
+
+    let db_pool = sqlx::PgPool::connect(&s)
+        .await
+        .expect("Unable to create Postgres pool");
+
+    serve_metrics().await;
+
+    let tree: Tree = Arc::new(RwLock::new(bk_tree::BKTree::new(Hamming)));
+
+    load_updates(db_pool.clone(), tree.clone()).await;
+
+    let log = warp::log("fuzzysearch");
+    let cors = warp::cors()
+        .allow_any_origin()
+        .allow_headers(vec!["x-api-key"])
+        .allow_methods(vec!["GET", "POST"]);
+
+    let options = warp::options().map(|| "✓");
+
+    let api = options.or(filters::search(db_pool, tree));
+    let routes = api
+        .or(warp::path::end()
+            .map(|| warp::redirect(warp::http::Uri::from_static("https://fuzzysearch.net"))))
+        .with(log)
+        .with(cors)
+        .recover(handlers::handle_rejection);
+
+    warp::serve(routes).run(([0, 0, 0, 0], 8080)).await;
+}
 
 fn configure_tracing() {
     use opentelemetry::{
@@ -65,133 +123,102 @@ fn configure_tracing() {
     registry.init();
 }
 
-#[derive(Debug)]
+async fn metrics(
-pub struct Node {
+    _: hyper::Request<hyper::Body>,
+) -> Result<hyper::Response<hyper::Body>, std::convert::Infallible> {
+    use hyper::{Body, Response};
+    use prometheus::{Encoder, TextEncoder};
+
+    let mut buffer = Vec::new();
+    let encoder = TextEncoder::new();
+
+    let metric_families = prometheus::gather();
+    encoder.encode(&metric_families, &mut buffer).unwrap();
+
+    Ok(Response::new(Body::from(buffer)))
+}
+
+async fn serve_metrics() {
+    use hyper::{
+        service::{make_service_fn, service_fn},
+        Server,
+    };
+    use std::convert::Infallible;
+    use std::net::SocketAddr;
+
+    let make_svc = make_service_fn(|_conn| async { Ok::<_, Infallible>(service_fn(metrics)) });
+
+    let addr: SocketAddr = std::env::var("METRICS_HOST")
+        .expect("Missing METRICS_HOST")
+        .parse()
+        .expect("Invalid METRICS_HOST");
+
+    let server = Server::bind(&addr).serve(make_svc);
+
+    tokio::spawn(async move {
+        server.await.expect("Metrics server error");
+    });
+}
+
+#[derive(serde::Deserialize)]
+struct HashRow {
     id: i32,
-    hash: [u8; 8],
+    hash: i64,
 }
 
-impl Node {
+async fn create_tree(conn: &Pool) -> bk_tree::BKTree<Node, Hamming> {
-    pub fn query(hash: [u8; 8]) -> Self {
+    use futures::TryStreamExt;
-        Self { id: -1, hash }
+
-    }
+    let mut tree = bk_tree::BKTree::new(Hamming);
+
+    let mut rows = sqlx::query_as!(HashRow, "SELECT id, hash FROM hashes").fetch(conn);
+
+    while let Some(row) = rows.try_next().await.expect("Unable to get row") {
+        tree.add(Node {
+            id: row.id,
+            hash: row.hash.to_be_bytes(),
+        })
     }
 
-type Tree = Arc<RwLock<bk_tree::BKTree<Node, Hamming>>>;
+    tree
-
-pub struct Hamming;
-
-impl bk_tree::Metric<Node> for Hamming {
-    fn distance(&self, a: &Node, b: &Node) -> u64 {
-        hamming::distance_fast(&a.hash, &b.hash).unwrap()
-    }
 }
 
-#[tokio::main]
+async fn load_updates(conn: Pool, tree: Tree) {
-async fn main() {
+    let mut listener = sqlx::postgres::PgListener::connect_with(&conn)
-    ffmpeg_next::init().expect("Unable to initialize ffmpeg");
-
-    configure_tracing();
-
-    let s = std::env::var("POSTGRES_DSN").expect("Missing POSTGRES_DSN");
-
-    let manager = bb8_postgres::PostgresConnectionManager::new(
-        tokio_postgres::Config::from_str(&s).expect("Invalid POSTGRES_DSN"),
-        tokio_postgres::NoTls,
-    );
-
-    let db_pool = bb8::Pool::builder()
-        .build(manager)
         .await
-        .expect("Unable to build Postgres pool");
+        .unwrap();
+    listener.listen("fuzzysearch_hash_added").await.unwrap();
 
-    let tree: Tree = Arc::new(RwLock::new(bk_tree::BKTree::new(Hamming)));
+    let new_tree = create_tree(&conn).await;
-
-    let mut max_id = 0;
-
-    let conn = db_pool.get().await.unwrap();
     let mut lock = tree.write().await;
-    conn.query("SELECT id, hash FROM hashes", &[])
+    *lock = new_tree;
+    drop(lock);
+
+    tokio::spawn(async move {
+        loop {
+            while let Some(notification) = listener
+                .try_recv()
                 .await
-        .unwrap()
+                .expect("Unable to recv notification")
-        .into_iter()
+            {
-        .for_each(|row| {
+                let payload: HashRow = serde_json::from_str(notification.payload()).unwrap();
-            let id: i32 = row.get(0);
+                tracing::debug!(id = payload.id, "Adding new hash to tree");
-            let hash: i64 = row.get(1);
-            let bytes = hash.to_be_bytes();
 
-            if id > max_id {
+                let mut lock = tree.write().await;
-                max_id = id;
+                lock.add(Node {
-            }
+                    id: payload.id,
-
+                    hash: payload.hash.to_be_bytes(),
-            lock.add(Node { id, hash: bytes });
                 });
                 drop(lock);
-    drop(conn);
+            }
 
-    let tree_clone = tree.clone();
+            tracing::error!("Lost connection to Postgres, recreating tree");
-    let pool_clone = db_pool.clone();
+            tokio::time::sleep(std::time::Duration::from_secs(10)).await;
-    tokio::spawn(async move {
+            let new_tree = create_tree(&conn).await;
-        use futures_util::StreamExt;
-
-        let max_id = std::sync::atomic::AtomicI32::new(max_id);
-        let tree = tree_clone;
-        let pool = pool_clone;
-
-        let order = std::sync::atomic::Ordering::SeqCst;
-
-        let interval = tokio::time::interval(std::time::Duration::from_secs(30));
-
-        interval
-            .for_each(|_| async {
-                tracing::debug!("Refreshing hashes");
-
-                let conn = pool.get().await.unwrap();
             let mut lock = tree.write().await;
-                let id = max_id.load(order);
+            *lock = new_tree;
-
+            drop(lock);
-                let mut count = 0;
+            tracing::info!("Replaced tree");
-
-                conn.query("SELECT id, hash FROM hashes WHERE hashes.id > $1", &[&id])
-                    .await
-                    .unwrap()
-                    .into_iter()
-                    .for_each(|row| {
-                        let id: i32 = row.get(0);
-                        let hash: i64 = row.get(1);
-                        let bytes = hash.to_be_bytes();
-
-                        if id > max_id.load(order) {
-                            max_id.store(id, order);
         }
-
-                        lock.add(Node { id, hash: bytes });
-
-                        count += 1;
     });
-
-                tracing::trace!("Added {} new hashes", count);
-            })
-            .await;
-    });
-
-    let log = warp::log("fuzzysearch");
-    let cors = warp::cors()
-        .allow_any_origin()
-        .allow_headers(vec!["x-api-key"])
-        .allow_methods(vec!["GET", "POST"]);
-
-    let options = warp::options().map(|| "✓");
-
-    let api = options.or(filters::search(db_pool, tree));
-    let routes = api
-        .or(warp::path::end()
-            .map(|| warp::redirect(warp::http::Uri::from_static("https://fuzzysearch.net"))))
-        .with(log)
-        .with(cors)
-        .recover(handlers::handle_rejection);
-
-    warp::serve(routes).run(([0, 0, 0, 0], 8080)).await;
 }
-
-type Pool = bb8::Pool<bb8_postgres::PostgresConnectionManager<tokio_postgres::NoTls>>;

fuzzysearch/src/models.rs

@@ -1,46 +1,48 @@
-use crate::types::*;
+use lazy_static::lazy_static;
-use crate::utils::extract_rows;
+use prometheus::{register_histogram, Histogram};
-use crate::{Pool, Tree};
 use tracing_futures::Instrument;
 
-use fuzzysearch_common::types::SearchResult;
+use crate::types::*;
+use crate::{Pool, Tree};
+use fuzzysearch_common::types::{SearchResult, SiteInfo};
 
-pub type DB<'a> =
+lazy_static! {
-    &'a bb8::PooledConnection<'a, bb8_postgres::PostgresConnectionManager<tokio_postgres::NoTls>>;
+    static ref IMAGE_LOOKUP_DURATION: Histogram = register_histogram!(
+        "fuzzysearch_api_image_lookup_seconds",
+        "Duration to perform an image lookup"
+    )
+    .unwrap();
+    static ref IMAGE_QUERY_DURATION: Histogram = register_histogram!(
+        "fuzzysearch_api_image_query_seconds",
+        "Duration to perform a single image lookup query"
+    )
+    .unwrap();
+}
 
 #[tracing::instrument(skip(db))]
-pub async fn lookup_api_key(key: &str, db: DB<'_>) -> Option<ApiKey> {
+pub async fn lookup_api_key(key: &str, db: &sqlx::PgPool) -> Option<ApiKey> {
-    let rows = db
+    sqlx::query_as!(
-        .query(
+        ApiKey,
         "SELECT
             api_key.id,
             api_key.name_limit,
             api_key.image_limit,
             api_key.hash_limit,
             api_key.name,
-            account.email
+            account.email owner_email
         FROM
             api_key
         JOIN account
             ON account.id = api_key.user_id
         WHERE
-            api_key.key = $1",
+            api_key.key = $1
-            &[&key],
+    ",
+        key
     )
+    .fetch_optional(db)
     .await
-        .expect("Unable to query API keys");
+    .ok()
-
+    .flatten()
-    match rows.into_iter().next() {
-        Some(row) => Some(ApiKey {
-            id: row.get(0),
-            name_limit: row.get(1),
-            image_limit: row.get(2),
-            hash_limit: row.get(3),
-            name: row.get(4),
-            owner_email: row.get(5),
-        }),
-        _ => None,
-    }
 }
 
 #[tracing::instrument(skip(pool, tree))]
@@ -50,7 +52,7 @@ pub async fn image_query(
     hashes: Vec<i64>,
     distance: i64,
     hash: Option<Vec<u8>>,
-) -> Result<Vec<SearchResult>, tokio_postgres::Error> {
+) -> Result<Vec<SearchResult>, sqlx::Error> {
     let mut results = image_query_sync(pool, tree, hashes, distance, hash);
     let mut matches = Vec::new();
 
@@ -68,19 +70,30 @@ pub fn image_query_sync(
     hashes: Vec<i64>,
     distance: i64,
     hash: Option<Vec<u8>>,
-) -> tokio::sync::mpsc::Receiver<Result<Vec<SearchResult>, tokio_postgres::Error>> {
+) -> tokio::sync::mpsc::Receiver<Result<Vec<SearchResult>, sqlx::Error>> {
-    let (mut tx, rx) = tokio::sync::mpsc::channel(50);
+    let (tx, rx) = tokio::sync::mpsc::channel(50);
 
     tokio::spawn(async move {
-        let db = pool.get().await.unwrap();
+        let db = pool;
 
         for query_hash in hashes {
+            let mut seen = std::collections::HashSet::new();
+
+            let _timer = IMAGE_LOOKUP_DURATION.start_timer();
+
             let node = crate::Node::query(query_hash.to_be_bytes());
             let lock = tree.read().await;
             let items = lock.find(&node, distance as u64);
 
-            for (_dist, item) in items {
+            for (dist, item) in items {
-                let query = db.query("SELECT
+                if seen.contains(&item.id) {
+                    continue;
+                }
+                seen.insert(item.id);
+
+                let _timer = IMAGE_QUERY_DURATION.start_timer();
+
+                let row = sqlx::query!("SELECT
                         hashes.id,
                         hashes.hash,
                         hashes.furaffinity_id,
@@ -106,7 +119,16 @@ pub fn image_query_sync(
                     END file_id,
                     CASE
                         WHEN e621_id IS NOT NULL THEN ARRAY(SELECT jsonb_array_elements_text(e.data->'sources'))
-                    END sources
+                    END sources,
+                    CASE
+                        WHEN furaffinity_id IS NOT NULL THEN (f.rating)
+                        WHEN e621_id IS NOT NULL THEN (e.data->>'rating')
+                        WHEN twitter_id IS NOT NULL THEN
+                            CASE
+                                WHEN (tw.data->'possibly_sensitive')::boolean IS true THEN 'adult'
+                                WHEN (tw.data->'possibly_sensitive')::boolean IS false THEN 'general'
+                            END
+                    END rating
                 FROM
                     hashes
                 LEFT JOIN LATERAL (
@@ -133,14 +155,45 @@ pub fn image_query_sync(
                         tweet_media.hash <@ (hashes.hash, 0)
                     LIMIT 1
                 ) tm ON hashes.twitter_id IS NOT NULL
-                WHERE hashes.id = $1", &[&item.id]).await;
+                WHERE hashes.id = $1", item.id).map(|row| {
-                let rows = query.map(|rows| {
+                    let (site_id, site_info) = if let Some(fa_id) = row.furaffinity_id {
-                    extract_rows(rows, hash.as_deref()).into_iter().map(|mut file| {
+                        (
-                        file.searched_hash = Some(query_hash);
+                            fa_id as i64,
-                        file
+                            Some(SiteInfo::FurAffinity {
-                    }).collect()
+                                file_id: row.file_id.unwrap(),
-                });
+                            })
-                tx.send(rows).await.unwrap();
+                        )
+                    } else if let Some(e621_id) = row.e621_id {
+                        (
+                            e621_id as i64,
+                            Some(SiteInfo::E621 {
+                                sources: row.sources,
+                            })
+                        )
+                    } else if let Some(twitter_id) = row.twitter_id {
+                        (twitter_id, Some(SiteInfo::Twitter))
+                    } else {
+                        (-1, None)
+                    };
+
+                    let file = SearchResult {
+                        id: row.id,
+                        site_id,
+                        site_info,
+                        rating: row.rating.and_then(|rating| rating.parse().ok()),
+                        site_id_str: site_id.to_string(),
+                        url: row.url.unwrap_or_default(),
+                        hash: Some(row.hash),
+                        distance: Some(dist),
+                        artists: row.artists,
+                        filename: row.filename.unwrap_or_default(),
+                        searched_hash: Some(query_hash),
+                    };
+
+                    vec![file]
+                }).fetch_one(&db).await;
+
+                tx.send(row).await.unwrap();
             }
         }
     }.in_current_span());

fuzzysearch/src/types.rs

@@ -10,7 +10,7 @@ use fuzzysearch_common::types::SearchResult;
 pub struct ApiKey {
     pub id: i32,
     pub name: Option<String>,
-    pub owner_email: Option<String>,
+    pub owner_email: String,
     pub name_limit: i16,
     pub image_limit: i16,
     pub hash_limit: i16,
@@ -22,7 +22,7 @@ pub enum RateLimit {
     /// This key is limited, we should deny the request.
     Limited,
     /// This key is available, contains the number of requests made.
-    Available(i16),
+    Available((i16, i16)),
 }
 
 #[derive(Debug, Deserialize)]
@@ -68,3 +68,8 @@ pub struct HashSearchOpts {
 pub struct HandleOpts {
     pub twitter: Option<String>,
 }
+
+#[derive(Debug, Deserialize)]
+pub struct UrlSearchOpts {
+    pub url: String,
+}

fuzzysearch/src/utils.rs

@@ -1,7 +1,15 @@
-use crate::models::DB;
 use crate::types::*;
+use lazy_static::lazy_static;
+use prometheus::{register_int_counter_vec, IntCounterVec};
 
-use fuzzysearch_common::types::{SearchResult, SiteInfo};
+lazy_static! {
+    pub static ref RATE_LIMIT_STATUS: IntCounterVec = register_int_counter_vec!(
+        "fuzzysearch_api_rate_limit_count",
+        "Number of allowed and rate limited requests",
+        &["status"]
+    )
+    .unwrap();
+}
 
 #[macro_export]
 macro_rules! rate_limit {
@@ -9,18 +17,48 @@ macro_rules! rate_limit {
         rate_limit!($api_key, $db, $limit, $group, 1)
     };
 
-    ($api_key:expr, $db:expr, $limit:tt, $group:expr, $incr_by:expr) => {
+    ($api_key:expr, $db:expr, $limit:tt, $group:expr, $incr_by:expr) => {{
-        let api_key = crate::models::lookup_api_key($api_key, $db)
+        let api_key = match crate::models::lookup_api_key($api_key, $db).await {
-            .await
+            Some(api_key) => api_key,
-            .ok_or_else(|| warp::reject::custom(Error::ApiKey))?;
+            None => return Ok(Box::new(Error::ApiKey)),
+        };
 
-        let rate_limit =
+        let rate_limit = match crate::utils::update_rate_limit(
-            crate::utils::update_rate_limit($db, api_key.id, api_key.$limit, $group, $incr_by)
+            $db,
+            api_key.id,
+            api_key.$limit,
+            $group,
+            $incr_by,
+        )
         .await
-                .map_err(crate::handlers::map_postgres_err)?;
+        {
+            Ok(rate_limit) => rate_limit,
+            Err(err) => return Ok(Box::new(Error::Postgres(err))),
+        };
 
-        if rate_limit == crate::types::RateLimit::Limited {
+        match rate_limit {
-            return Err(warp::reject::custom(Error::RateLimit));
+            crate::types::RateLimit::Limited => {
+                crate::utils::RATE_LIMIT_STATUS
+                    .with_label_values(&["limited"])
+                    .inc();
+                return Ok(Box::new(Error::RateLimit));
+            }
+            crate::types::RateLimit::Available(count) => {
+                crate::utils::RATE_LIMIT_STATUS
+                    .with_label_values(&["allowed"])
+                    .inc();
+                count
+            }
+        }
+    }};
+}
+
+#[macro_export]
+macro_rules! early_return {
+    ($val:expr) => {
+        match $val {
+            Ok(val) => val,
+            Err(err) => return Ok(Box::new(Error::from(err))),
         }
     };
 }
@@ -33,18 +71,17 @@ macro_rules! rate_limit {
 /// joined requests.
 #[tracing::instrument(skip(db))]
 pub async fn update_rate_limit(
-    db: DB<'_>,
+    db: &sqlx::PgPool,
     key_id: i32,
     key_group_limit: i16,
     group_name: &'static str,
     incr_by: i16,
-) -> Result<RateLimit, tokio_postgres::Error> {
+) -> Result<RateLimit, sqlx::Error> {
     let now = chrono::Utc::now();
     let timestamp = now.timestamp();
     let time_window = timestamp - (timestamp % 60);
 
-    let rows = db
+    let count: i16 = sqlx::query_scalar!(
-        .query(
         "INSERT INTO
             rate_limit (api_key_id, time_window, group_name, count)
         VALUES
@@ -52,66 +89,20 @@ pub async fn update_rate_limit(
         ON CONFLICT ON CONSTRAINT unique_window
             DO UPDATE set count = rate_limit.count + $4
         RETURNING rate_limit.count",
-            &[&key_id, &time_window, &group_name, &incr_by],
+        key_id,
+        time_window,
+        group_name,
+        incr_by
     )
+    .fetch_one(db)
     .await?;
 
-    let count: i16 = rows[0].get(0);
-
     if count > key_group_limit {
         Ok(RateLimit::Limited)
     } else {
-        Ok(RateLimit::Available(count))
+        Ok(RateLimit::Available((
+            key_group_limit - count,
+            key_group_limit,
+        )))
     }
 }
-
-pub fn extract_rows<'a>(
-    rows: Vec<tokio_postgres::Row>,
-    hash: Option<&'a [u8]>,
-) -> impl IntoIterator<Item = SearchResult> + 'a {
-    rows.into_iter().map(move |row| {
-        let dbhash: i64 = row.get("hash");
-        let dbbytes = dbhash.to_be_bytes();
-
-        let (furaffinity_id, e621_id, twitter_id): (Option<i32>, Option<i32>, Option<i64>) = (
-            row.get("furaffinity_id"),
-            row.get("e621_id"),
-            row.get("twitter_id"),
-        );
-
-        let (site_id, site_info) = if let Some(fa_id) = furaffinity_id {
-            (
-                fa_id as i64,
-                Some(SiteInfo::FurAffinity {
-                    file_id: row.get("file_id"),
-                }),
-            )
-        } else if let Some(e6_id) = e621_id {
-            (
-                e6_id as i64,
-                Some(SiteInfo::E621 {
-                    sources: row.get("sources"),
-                }),
-            )
-        } else if let Some(t_id) = twitter_id {
-            (t_id, Some(SiteInfo::Twitter))
-        } else {
-            (-1, None)
-        };
-
-        SearchResult {
-            id: row.get("id"),
-            site_id,
-            site_info,
-            site_id_str: site_id.to_string(),
-            url: row.get("url"),
-            hash: Some(dbhash),
-            distance: hash
-                .map(|hash| hamming::distance_fast(&dbbytes, &hash).ok())
-                .flatten(),
-            artists: row.get("artists"),
-            filename: row.get("filename"),
-            searched_hash: None,
-        }
-    })
-}