Merge pull request #16 from neon-mmd/rolling

.dockerignore

@@ -0,0 +1,9 @@
+target/
+.git/
+.github/
+.dockerignore
+Dockerfile
+docker-compose.yml
+images
+*.md
+LICENSE

Cargo.lock

@@ -87,7 +87,7 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "465a6172cf69b960917811022d8f29bc0b7fa1398bc4f78b3c466673db1213b6"
 dependencies = [
- "quote 1.0.26",
+ "quote 1.0.27",
  "syn 1.0.109",
 ]
 
@@ -190,7 +190,7 @@ dependencies = [
  "serde_urlencoded 0.7.1",
  "smallvec 1.10.0",
  "socket2",
- "time 0.3.20",
+ "time 0.3.21",
  "url 2.3.1",
 ]
 
@@ -202,7 +202,7 @@ checksum = "2262160a7ae29e3415554a3f1fc04c764b1540c116aa524683208078b7a75bc9"
 dependencies = [
  "actix-router",
  "proc-macro2 1.0.56",
- "quote 1.0.26",
+ "quote 1.0.27",
  "syn 1.0.109",
 ]
 
@@ -480,7 +480,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e859cd57d0710d9e06c381b550c06e76992472a8c6d527aecd2fc673dcc231fb"
 dependencies = [
  "percent-encoding 2.2.0",
- "time 0.3.20",
+ "time 0.3.21",
  "version_check",
 ]
 
@@ -606,7 +606,7 @@ dependencies = [
  "matches",
  "phf 0.10.1",
  "proc-macro2 1.0.56",
- "quote 1.0.26",
+ "quote 1.0.27",
  "smallvec 1.10.0",
  "syn 1.0.109",
 ]
@@ -617,7 +617,7 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dfae75de57f2b2e85e8768c3ea840fd159c8f33e2b6522c7835b7abac81be16e"
 dependencies = [
- "quote 1.0.26",
+ "quote 1.0.27",
  "syn 1.0.109",
 ]
 
@@ -629,7 +629,7 @@ checksum = "4fb810d30a7c1953f91334de7244731fc3f3c10d7fe163338a35b9f640960321"
 dependencies = [
  "convert_case",
  "proc-macro2 1.0.56",
- "quote 1.0.26",
+ "quote 1.0.27",
  "rustc_version 0.4.0",
  "syn 1.0.109",
 ]
@@ -731,7 +731,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aa4da3c766cd7a0db8242e326e9e4e081edd567072893ed320008189715366a4"
 dependencies = [
  "proc-macro2 1.0.56",
- "quote 1.0.26",
+ "quote 1.0.27",
  "syn 1.0.109",
  "synstructure",
 ]
@@ -1036,7 +1036,7 @@ dependencies = [
  "mac",
  "markup5ever 0.11.0",
  "proc-macro2 1.0.56",
- "quote 1.0.26",
+ "quote 1.0.27",
  "syn 1.0.109",
 ]
 
@@ -1301,9 +1301,9 @@ dependencies = [
 
 [[package]]
 name = "js-sys"
-version = "0.3.61"
+version = "0.3.62"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "445dde2150c55e483f3d8416706b97ec8e8237c307e5b7b4b8dd15e6af2a0730"
+checksum = "68c16e1bfd491478ab155fd8b4896b86f9ede344949b641e61501e07c2b8b4d5"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -1332,15 +1332,15 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.142"
+version = "0.2.144"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a987beff54b60ffa6d51982e1aa1146bc42f19bd26be28b0586f252fccf5317"
+checksum = "2b00cc1c228a6782d0f076e7b232802e0c5689d41bb5df366f2a6b6621cfdfe1"
 
 [[package]]
 name = "linux-raw-sys"
-version = "0.3.6"
+version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b64f40e5e03e0d54f03845c8197d0291253cdbedfb1cb46b13c2c117554a9f4c"
+checksum = "ece97ea872ece730aed82664c424eb4c8291e1ff2480247ccf7409044bc6479f"
 
 [[package]]
 name = "local-channel"
@@ -1632,7 +1632,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
 dependencies = [
  "proc-macro2 1.0.56",
- "quote 1.0.26",
+ "quote 1.0.27",
  "syn 2.0.15",
 ]
 
@@ -1750,7 +1750,7 @@ dependencies = [
  "pest",
  "pest_meta",
  "proc-macro2 1.0.56",
- "quote 1.0.26",
+ "quote 1.0.27",
  "syn 2.0.15",
 ]
 
@@ -1864,7 +1864,7 @@ dependencies = [
  "phf_shared 0.10.0",
  "proc-macro-hack",
  "proc-macro2 1.0.56",
- "quote 1.0.26",
+ "quote 1.0.27",
  "syn 1.0.109",
 ]
 
@@ -1909,9 +1909,9 @@ checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
 [[package]]
 name = "pkg-config"
-version = "0.3.26"
+version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ac9a59f73473f1b8d852421e59e64809f025994837ef743615c6d0c5b305160"
+checksum = "26072860ba924cbfa98ea39c8c19b4dd6a4a25423dbdf219c1eca91aa0cf6964"
 
 [[package]]
 name = "ppv-lite86"
@@ -1970,9 +1970,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "8f4f29d145265ec1c483c7c654450edde0bfe043d3938d6972630663356d9500"
 dependencies = [
  "proc-macro2 1.0.56",
 ]
@@ -2314,9 +2314,9 @@ dependencies = [
 
 [[package]]
 name = "rlua-lua54-sys"
-version = "0.1.3"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "23ae48797c3e76fb2c205fda8f30e28416a15b9fc1d649cc7cea9ff1fb9cf028"
+checksum = "93f42202b5aeb0bcc5df28436f8d963f8cbcbb898033a9e28c7ba4f299707934"
 dependencies = [
  "cc",
  "libc",
@@ -2349,9 +2349,9 @@ dependencies = [
 
 [[package]]
 name = "rustix"
-version = "0.37.17"
+version = "0.37.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc809f704c03a812ac71f22456c857be34185cac691a4316f27ab0f633bb9009"
+checksum = "acf8729d8542766f1b2cf77eb034d52f40d375bb8b615d0b147089946e16613d"
 dependencies = [
  "bitflags",
  "errno",
@@ -2482,21 +2482,21 @@ checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 
 [[package]]
 name = "serde"
-version = "1.0.160"
+version = "1.0.162"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+checksum = "71b2f6e1ab5c2b98c05f0f35b236b22e8df7ead6ffbf51d7808da7f8817e7ab6"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.160"
+version = "1.0.162"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+checksum = "a2a0814352fd64b58489904a44ea8d90cb1a91dcb6b4f5ebabc32c8318e93cb6"
 dependencies = [
  "proc-macro2 1.0.56",
- "quote 1.0.26",
+ "quote 1.0.27",
  "syn 2.0.15",
 ]
 
@@ -2681,7 +2681,7 @@ dependencies = [
  "phf_generator 0.7.24",
  "phf_shared 0.7.24",
  "proc-macro2 1.0.56",
- "quote 1.0.26",
+ "quote 1.0.27",
  "string_cache_shared",
 ]
 
@@ -2694,7 +2694,7 @@ dependencies = [
  "phf_generator 0.10.0",
  "phf_shared 0.10.0",
  "proc-macro2 1.0.56",
- "quote 1.0.26",
+ "quote 1.0.27",
 ]
 
 [[package]]
@@ -2721,7 +2721,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
 dependencies = [
  "proc-macro2 1.0.56",
- "quote 1.0.26",
+ "quote 1.0.27",
  "unicode-ident",
 ]
 
@@ -2732,7 +2732,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
 dependencies = [
  "proc-macro2 1.0.56",
- "quote 1.0.26",
+ "quote 1.0.27",
  "unicode-ident",
 ]
 
@@ -2743,7 +2743,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
 dependencies = [
  "proc-macro2 1.0.56",
- "quote 1.0.26",
+ "quote 1.0.27",
  "syn 1.0.109",
  "unicode-xid 0.2.4",
 ]
@@ -2797,7 +2797,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2 1.0.56",
- "quote 1.0.26",
+ "quote 1.0.27",
  "syn 2.0.15",
 ]
 
@@ -2814,9 +2814,9 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.3.20"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd0cbfecb4d19b5ea75bb31ad904eb5b9fa13f21079c3b92017ebdf4999a5890"
+checksum = "8f3403384eaacbca9923fa06940178ac13e4edb725486d70e8e15881d0c836cc"
 dependencies = [
  "itoa 1.0.6",
  "serde",
@@ -2826,15 +2826,15 @@ dependencies = [
 
 [[package]]
 name = "time-core"
-version = "0.1.0"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e153e1f1acaef8acc537e68b44906d2db6436e2b35ac2c6b42640fff91f00fd"
+checksum = "7300fbefb4dadc1af235a9cef3737cea692a9d97e1b9cbcd4ebdae6f8868e6fb"
 
 [[package]]
 name = "time-macros"
-version = "0.2.8"
+version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd80a657e71da814b8e5d60d3374fc6d35045062245d80224748ae522dd76f36"
+checksum = "372950940a5f07bf38dbe211d7283c9e6d7327df53794992d293e534c733d09b"
 dependencies = [
  "time-core",
 ]
@@ -2941,7 +2941,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "630bdcf245f78637c13ec01ffae6187cca34625e8c63150d424b59e55af2675e"
 dependencies = [
  "proc-macro2 1.0.56",
- "quote 1.0.26",
+ "quote 1.0.27",
  "syn 2.0.15",
 ]
 
@@ -3243,9 +3243,9 @@ checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.84"
+version = "0.2.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31f8dcbc21f30d9b8f2ea926ecb58f6b91192c17e9d33594b3df58b2007ca53b"
+checksum = "5b6cb788c4e39112fbe1822277ef6fb3c55cd86b95cb3d3c4c1c9597e4ac74b4"
 dependencies = [
  "cfg-if 1.0.0",
  "wasm-bindgen-macro",
@@ -3253,24 +3253,24 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.84"
+version = "0.2.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95ce90fd5bcc06af55a641a86428ee4229e44e07033963a2290a8e241607ccb9"
+checksum = "35e522ed4105a9d626d885b35d62501b30d9666283a5c8be12c14a8bdafe7822"
 dependencies = [
  "bumpalo",
  "log",
  "once_cell",
  "proc-macro2 1.0.56",
- "quote 1.0.26",
- "syn 1.0.109",
+ "quote 1.0.27",
+ "syn 2.0.15",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.34"
+version = "0.4.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f219e0d211ba40266969f6dbdd90636da12f75bee4fc9d6c23d1260dadb51454"
+checksum = "083abe15c5d88556b77bdf7aef403625be9e327ad37c62c4e4129af740168163"
 dependencies = [
  "cfg-if 1.0.0",
  "js-sys",
@@ -3280,38 +3280,38 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.84"
+version = "0.2.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c21f77c0bedc37fd5dc21f897894a5ca01e7bb159884559461862ae90c0b4c5"
+checksum = "358a79a0cb89d21db8120cbfb91392335913e4890665b1a7981d9e956903b434"
 dependencies = [
- "quote 1.0.26",
+ "quote 1.0.27",
  "wasm-bindgen-macro-support",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.84"
+version = "0.2.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2aff81306fcac3c7515ad4e177f521b5c9a15f2b08f4e32d823066102f35a5f6"
+checksum = "4783ce29f09b9d93134d41297aded3a712b7b979e9c6f28c32cb88c973a94869"
 dependencies = [
  "proc-macro2 1.0.56",
- "quote 1.0.26",
- "syn 1.0.109",
+ "quote 1.0.27",
+ "syn 2.0.15",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.84"
+version = "0.2.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0046fef7e28c3804e5e38bfa31ea2a0f73905319b677e57ebe37e49358989b5d"
+checksum = "a901d592cafaa4d711bc324edfaff879ac700b19c3dfd60058d2b445be2691eb"
 
 [[package]]
 name = "web-sys"
-version = "0.3.61"
+version = "0.3.62"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e33b99f4b23ba3eec1a53ac264e35a755f00e966e0065077d6027c0f575b0b97"
+checksum = "16b5f940c7edfdc6d12126d98c9ef4d1b3d470011c47c76a6581df47ad9ba721"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -3319,7 +3319,7 @@ dependencies = [
 
 [[package]]
 name = "websurfx"
-version = "0.1.0"
+version = "0.6.0"
 dependencies = [
  "actix-files",
  "actix-web",
@@ -3328,7 +3328,7 @@ dependencies = [
  "handlebars",
  "log",
  "md5",
- "rand 0.6.5",
+ "rand 0.8.5",
  "redis",
  "reqwest 0.11.17",
  "rlua",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "websurfx"
-version = "0.1.0"
+version = "0.6.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

Dockerfile

@@ -0,0 +1,26 @@
+FROM rust:latest AS chef
+# We only pay the installation cost once,
+# it will be cached from the second build onwards
+RUN cargo install cargo-chef
+
+WORKDIR app
+
+FROM chef AS planner
+COPY . . 
+RUN cargo chef prepare --recipe-path recipe.json
+
+FROM chef AS builder
+COPY --from=planner /app/recipe.json recipe.json
+# Build dependencies - this is the caching Docker layer!
+RUN cargo chef cook --release --recipe-path recipe.json
+
+# Build application
+COPY . .
+RUN cargo install --path .
+
+# We do not need the Rust toolchain to run the binary!
+FROM gcr.io/distroless/cc-debian11
+COPY --from=builder ./public/ ./public/
+COPY --from=builder ./websurfx/ ./websurfx/
+COPY --from=builder /usr/local/cargo/bin/* /usr/local/bin/
+CMD ["websurfx"]

docker-compose.yml

@@ -0,0 +1,15 @@
+version: "3.9"
+services:
+  app:
+    image: websurfx:latest
+    build: .
+    ports:
+      - 8080:8080
+    depends_on:
+      - redis
+    links:
+      - redis
+  redis:
+    image: redis:latest
+    ports:
+      - 6379:6379

src/engines/duckduckgo.rs

@@ -2,10 +2,9 @@
 //! by querying the upstream duckduckgo search engine with user provided query and with a page
 //! number if provided.
 
-use std::{collections::HashMap, time::Duration};
+use std::collections::HashMap;
 
-use rand::Rng;
-use reqwest::header::{HeaderMap, CONTENT_TYPE, REFERER, USER_AGENT};
+use reqwest::header::{HeaderMap, CONTENT_TYPE, COOKIE, REFERER, USER_AGENT};
 use scraper::{Html, Selector};
 
 use crate::search_results_handler::aggregation_models::RawSearchResult;
@@ -47,16 +46,12 @@ pub async fn results(
         }
     };
 
-    // Add a random delay before making the request.
-    let mut rng = rand::thread_rng();
-    let delay_secs = rng.gen_range(1, 10);
-    std::thread::sleep(Duration::from_secs(delay_secs));
-
     // initializing HeaderMap and adding appropriate headers.
     let mut header_map = HeaderMap::new();
     header_map.insert(USER_AGENT, user_agent.parse()?);
     header_map.insert(REFERER, "https://google.com/".parse()?);
-    header_map.insert(CONTENT_TYPE, "text/html; charset=UTF-8".parse()?);
+    header_map.insert(CONTENT_TYPE, "application/x-www-form-urlencoded".parse()?);
+    header_map.insert(COOKIE, "kl=wt-wt".parse()?);
 
     // fetch the html from upstream duckduckgo engine
     // TODO: Write better error handling code to handle no results case.

src/engines/searx.rs

@@ -2,10 +2,9 @@
 //! by querying the upstream searx search engine instance with user provided query and with a page
 //! number if provided.
 
-use rand::Rng;
-use reqwest::header::{HeaderMap, CONTENT_TYPE, REFERER, USER_AGENT};
+use reqwest::header::{HeaderMap, CONTENT_TYPE, COOKIE, REFERER, USER_AGENT};
 use scraper::{Html, Selector};
-use std::{collections::HashMap, time::Duration};
+use std::collections::HashMap;
 
 use crate::search_results_handler::aggregation_models::RawSearchResult;
 
@@ -34,16 +33,12 @@ pub async fn results(
     // so that upstream server recieves valid page number.
     let url: String = format!("https://searx.work/search?q={query}&pageno={page}");
 
-    // Add random delay before making the request.
-    let mut rng = rand::thread_rng();
-    let delay_secs = rng.gen_range(1, 10);
-    std::thread::sleep(Duration::from_secs(delay_secs));
-
     // initializing headers and adding appropriate headers.
     let mut header_map = HeaderMap::new();
     header_map.insert(USER_AGENT, user_agent.parse()?);
     header_map.insert(REFERER, "https://google.com/".parse()?);
     header_map.insert(CONTENT_TYPE, "application/x-www-form-urlencoded".parse()?);
+    header_map.insert(COOKIE, "categories=general; language=auto; locale=en; autocomplete=duckduckgo; image_proxy=1; method=POST; safesearch=2; theme=simple; results_on_new_tab=1; doi_resolver=oadoi.org; simple_style=auto; center_alignment=1; query_in_title=1; infinite_scroll=0; disabled_engines=; enabled_engines=\"archive is__general\\054yep__general\\054curlie__general\\054currency__general\\054ddg definitions__general\\054wikidata__general\\054duckduckgo__general\\054tineye__general\\054lingva__general\\054startpage__general\\054yahoo__general\\054wiby__general\\054marginalia__general\\054alexandria__general\\054wikibooks__general\\054wikiquote__general\\054wikisource__general\\054wikiversity__general\\054wikivoyage__general\\054dictzone__general\\054seznam__general\\054mojeek__general\\054naver__general\\054wikimini__general\\054brave__general\\054petalsearch__general\\054goo__general\"; disabled_plugins=; enabled_plugins=\"searx.plugins.hostname_replace\\054searx.plugins.oa_doi_rewrite\\054searx.plugins.vim_hotkeys\"; tokens=; maintab=on; enginetab=on".parse()?);
 
     // fetch the html from upstream searx instance engine
     // TODO: Write better error handling code to handle no results case.

src/search_results_handler/aggregator.rs

@@ -1,7 +1,10 @@
 //! This module provides the functionality to scrape and gathers all the results from the upstream
 //! search engines and then removes duplicate results.
 
-use std::collections::HashMap;
+use std::{collections::HashMap, time::Duration};
+
+use rand::Rng;
+use tokio::join;
 
 use super::{
     aggregation_models::{RawSearchResult, SearchResult, SearchResults},
@@ -14,14 +17,14 @@ use crate::engines::{duckduckgo, searx};
 /// then removes duplicate results and if two results are found to be from two or more engines
 /// then puts their names together to show the results are fetched from these upstream engines
 /// and then removes all data from the HashMap and puts into a struct of all results aggregated
-/// into a vector and also adds the query used into the struct this is neccessory because 
+/// into a vector and also adds the query used into the struct this is neccessory because
 /// otherwise the search bar in search remains empty if searched from the query url
 ///
 /// # Example:
 ///
 /// If you search from the url like `https://127.0.0.1/search?q=huston` then the search bar should
 /// contain the word huston and not remain empty.
-/// 
+///
 /// # Arguments
 ///
 /// * `query` - Accepts a string to query with the above upstream search engines.
@@ -29,7 +32,7 @@ use crate::engines::{duckduckgo, searx};
 ///
 /// # Error
 ///
-/// Returns an error a reqwest and scraping selector errors if any error occurs in the results 
+/// Returns an error a reqwest and scraping selector errors if any error occurs in the results
 /// function in either `searx` or `duckduckgo` or both otherwise returns a `SearchResults struct`
 /// containing appropriate values.
 pub async fn aggregate(
@@ -39,10 +42,19 @@ pub async fn aggregate(
     let user_agent: String = random_user_agent();
     let mut result_map: HashMap<String, RawSearchResult> = HashMap::new();
 
-    let ddg_map_results: HashMap<String, RawSearchResult> =
-        duckduckgo::results(query, page, &user_agent).await?;
-    let searx_map_results: HashMap<String, RawSearchResult> =
-        searx::results(query, page, &user_agent).await?;
+    // Add a random delay before making the request.
+    let mut rng = rand::thread_rng();
+    let delay_secs = rng.gen_range(1..10);
+    std::thread::sleep(Duration::from_secs(delay_secs));
+
+    // fetch results from upstream search engines simultaneously/concurrently.
+    let (ddg_map_results, searx_map_results) = join!(
+        duckduckgo::results(query, page, &user_agent),
+        searx::results(query, page, &user_agent)
+    );
+
+    let ddg_map_results: HashMap<String, RawSearchResult> = ddg_map_results?;
+    let searx_map_results: HashMap<String, RawSearchResult> = searx_map_results?;
 
     result_map.extend(ddg_map_results);