feat: add captcha solving template funcs for 2Captcha, Anti-Captcha, and CapSolver

Bump github.com/valyala/fasthttp from 1.69.0 to 1.70.0

.github/FUNDING.yml

@@ -1,2 +1 @@
 buy_me_a_coffee: aykhan
-custom: https://commerce.coinbase.com/checkout/0f33d2fb-54a6-44f5-8783-006ebf70d1a0

.github/workflows/lint.yaml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v5
       - uses: actions/setup-go@v6
         with:
-          go-version: 1.26.0
+          go-version: 1.26.1
       - name: go fix
         run: |
           go fix ./...
@@ -24,4 +24,4 @@ jobs:
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v9
         with:
-          version: v2.9.0
+          version: v2.11.4

.github/workflows/release.yaml

@@ -35,7 +35,7 @@ jobs:
         run: |
           echo "VERSION=$(git describe --tags --always)" >> $GITHUB_ENV
           echo "GIT_COMMIT=$(git rev-parse HEAD)" >> $GITHUB_ENV
-          echo "GO_VERSION=1.26.0" >> $GITHUB_ENV
+          echo "GO_VERSION=1.26.1" >> $GITHUB_ENV
 
       - name: Set up Go
         if: github.event_name == 'release' || inputs.build_binaries

Dockerfile

@@ -1,4 +1,4 @@
-ARG GO_VERSION=1.26.0
+ARG GO_VERSION=1.26.1
 
 FROM docker.io/library/golang:${GO_VERSION}-alpine AS builder
 

Taskfile.yaml

@@ -3,7 +3,7 @@ version: "3"
 
 vars:
   BIN_DIR: ./bin
-  GOLANGCI_LINT_VERSION: v2.9.0
+  GOLANGCI_LINT_VERSION: v2.11.4
   GOLANGCI: "{{.BIN_DIR}}/golangci-lint-{{.GOLANGCI_LINT_VERSION}}"
 
 tasks:

go.mod

@@ -1,47 +1,46 @@
 module go.aykhans.me/sarin
 
-go 1.26.0
+go 1.26.1
 
 require (
-	github.com/brianvoe/gofakeit/v7 v7.14.0
+	github.com/brianvoe/gofakeit/v7 v7.14.1
 	github.com/charmbracelet/bubbles v1.0.0
 	github.com/charmbracelet/bubbletea v1.3.10
-	github.com/charmbracelet/glamour v0.10.0
+	github.com/charmbracelet/glamour v1.0.0
 	github.com/charmbracelet/lipgloss v1.1.1-0.20250404203927-76690c660834
 	github.com/charmbracelet/x/term v0.2.2
-	github.com/dop251/goja v0.0.0-20260106131823-651366fbe6e3
+	github.com/dop251/goja v0.0.0-20260311135729-065cd970411c
 	github.com/joho/godotenv v1.5.1
-	github.com/valyala/fasthttp v1.69.0
+	github.com/valyala/fasthttp v1.70.0
-	github.com/yuin/gopher-lua v1.1.1
+	github.com/yuin/gopher-lua v1.1.2
 	go.aykhans.me/utils v1.0.7
-	go.yaml.in/yaml/v4 v4.0.0-rc.3
+	go.yaml.in/yaml/v4 v4.0.0-rc.4
-	golang.org/x/net v0.51.0
+	golang.org/x/net v0.52.0
 )
 
 require (
-	github.com/alecthomas/chroma/v2 v2.21.1 // indirect
+	github.com/alecthomas/chroma/v2 v2.23.1 // indirect
-	github.com/andybalholm/brotli v1.2.0 // indirect
+	github.com/andybalholm/brotli v1.2.1 // indirect
 	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
 	github.com/aymerick/douceur v0.2.0 // indirect
-	github.com/charmbracelet/colorprofile v0.4.1 // indirect
+	github.com/charmbracelet/colorprofile v0.4.3 // indirect
 	github.com/charmbracelet/harmonica v0.2.0 // indirect
 	github.com/charmbracelet/x/ansi v0.11.6 // indirect
 	github.com/charmbracelet/x/cellbuf v0.0.15 // indirect
-	github.com/charmbracelet/x/exp/slice v0.0.0-20260109001716-2fbdffcb221f // indirect
+	github.com/charmbracelet/x/exp/slice v0.0.0-20260329003944-7eda8903d971 // indirect
-	github.com/clipperhouse/displaywidth v0.9.0 // indirect
+	github.com/clipperhouse/displaywidth v0.11.0 // indirect
-	github.com/clipperhouse/stringish v0.1.1 // indirect
+	github.com/clipperhouse/uax29/v2 v2.7.0 // indirect
-	github.com/clipperhouse/uax29/v2 v2.5.0 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/dlclark/regexp2 v1.11.5 // indirect
 	github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect
-	github.com/go-sourcemap/sourcemap v2.1.3+incompatible // indirect
+	github.com/go-sourcemap/sourcemap v2.1.4+incompatible // indirect
-	github.com/google/pprof v0.0.0-20230207041349-798e818bf904 // indirect
+	github.com/google/pprof v0.0.0-20260302011040-a15ffb7f9dcc // indirect
 	github.com/gorilla/css v1.0.1 // indirect
-	github.com/klauspost/compress v1.18.2 // indirect
+	github.com/klauspost/compress v1.18.5 // indirect
-	github.com/lucasb-eyer/go-colorful v1.3.0 // indirect
+	github.com/lucasb-eyer/go-colorful v1.4.0 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mattn/go-localereader v0.0.1 // indirect
-	github.com/mattn/go-runewidth v0.0.19 // indirect
+	github.com/mattn/go-runewidth v0.0.21 // indirect
 	github.com/microcosm-cc/bluemonday v1.0.27 // indirect
 	github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 // indirect
 	github.com/muesli/cancelreader v0.2.2 // indirect
@@ -51,9 +50,9 @@ require (
 	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
-	github.com/yuin/goldmark v1.7.16 // indirect
+	github.com/yuin/goldmark v1.8.2 // indirect
 	github.com/yuin/goldmark-emoji v1.0.6 // indirect
-	golang.org/x/sys v0.41.0 // indirect
+	golang.org/x/sys v0.42.0 // indirect
-	golang.org/x/term v0.40.0 // indirect
+	golang.org/x/term v0.41.0 // indirect
-	golang.org/x/text v0.34.0 // indirect
+	golang.org/x/text v0.35.0 // indirect
 )

go.sum

@@ -2,28 +2,28 @@ github.com/Masterminds/semver/v3 v3.2.1 h1:RN9w6+7QoMeJVGyfmbcgs28Br8cvmnucEXnY0
 github.com/Masterminds/semver/v3 v3.2.1/go.mod h1:qvl/7zhW3nngYb5+80sSMF+FG2BjYrf8m9wsX0PNOMQ=
 github.com/alecthomas/assert/v2 v2.11.0 h1:2Q9r3ki8+JYXvGsDyBXwH3LcJ+WK5D0gc5E8vS6K3D0=
 github.com/alecthomas/assert/v2 v2.11.0/go.mod h1:Bze95FyfUr7x34QZrjL+XP+0qgp/zg8yS+TtBj1WA3k=
-github.com/alecthomas/chroma/v2 v2.21.1 h1:FaSDrp6N+3pphkNKU6HPCiYLgm8dbe5UXIXcoBhZSWA=
+github.com/alecthomas/chroma/v2 v2.23.1 h1:nv2AVZdTyClGbVQkIzlDm/rnhk1E9bU9nXwmZ/Vk/iY=
-github.com/alecthomas/chroma/v2 v2.21.1/go.mod h1:NqVhfBR0lte5Ouh3DcthuUCTUpDC9cxBOfyMbMQPs3o=
+github.com/alecthomas/chroma/v2 v2.23.1/go.mod h1:NqVhfBR0lte5Ouh3DcthuUCTUpDC9cxBOfyMbMQPs3o=
 github.com/alecthomas/repr v0.5.2 h1:SU73FTI9D1P5UNtvseffFSGmdNci/O6RsqzeXJtP0Qs=
 github.com/alecthomas/repr v0.5.2/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
-github.com/andybalholm/brotli v1.2.0 h1:ukwgCxwYrmACq68yiUqwIWnGY0cTPox/M94sVwToPjQ=
+github.com/andybalholm/brotli v1.2.1 h1:R+f5xP285VArJDRgowrfb9DqL18yVK0gKAW/F+eTWro=
-github.com/andybalholm/brotli v1.2.0/go.mod h1:rzTDkvFWvIrjDXZHkuS16NPggd91W3kUSvPlQ1pLaKY=
+github.com/andybalholm/brotli v1.2.1/go.mod h1:rzTDkvFWvIrjDXZHkuS16NPggd91W3kUSvPlQ1pLaKY=
 github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiErDT4WkJ2k=
 github.com/aymanbagabas/go-osc52/v2 v2.0.1/go.mod h1:uYgXzlJ7ZpABp8OJ+exZzJJhRNQ2ASbcXHWsFqH8hp8=
 github.com/aymanbagabas/go-udiff v0.3.1 h1:LV+qyBQ2pqe0u42ZsUEtPiCaUoqgA9gYRDs3vj1nolY=
 github.com/aymanbagabas/go-udiff v0.3.1/go.mod h1:G0fsKmG+P6ylD0r6N/KgQD/nWzgfnl8ZBcNLgcbrw8E=
 github.com/aymerick/douceur v0.2.0 h1:Mv+mAeH1Q+n9Fr+oyamOlAkUNPWPlA8PPGR0QAaYuPk=
 github.com/aymerick/douceur v0.2.0/go.mod h1:wlT5vV2O3h55X9m7iVYN0TBM0NH/MmbLnd30/FjWUq4=
-github.com/brianvoe/gofakeit/v7 v7.14.0 h1:R8tmT/rTDJmD2ngpqBL9rAKydiL7Qr2u3CXPqRt59pk=
+github.com/brianvoe/gofakeit/v7 v7.14.1 h1:a7fe3fonbj0cW3wgl5VwIKfZtiH9C3cLnwcIXWT7sow=
-github.com/brianvoe/gofakeit/v7 v7.14.0/go.mod h1:QXuPeBw164PJCzCUZVmgpgHJ3Llj49jSLVkKPMtxtxA=
+github.com/brianvoe/gofakeit/v7 v7.14.1/go.mod h1:QXuPeBw164PJCzCUZVmgpgHJ3Llj49jSLVkKPMtxtxA=
 github.com/charmbracelet/bubbles v1.0.0 h1:12J8/ak/uCZEMQ6KU7pcfwceyjLlWsDLAxB5fXonfvc=
 github.com/charmbracelet/bubbles v1.0.0/go.mod h1:9d/Zd5GdnauMI5ivUIVisuEm3ave1XwXtD1ckyV6r3E=
 github.com/charmbracelet/bubbletea v1.3.10 h1:otUDHWMMzQSB0Pkc87rm691KZ3SWa4KUlvF9nRvCICw=
 github.com/charmbracelet/bubbletea v1.3.10/go.mod h1:ORQfo0fk8U+po9VaNvnV95UPWA1BitP1E0N6xJPlHr4=
-github.com/charmbracelet/colorprofile v0.4.1 h1:a1lO03qTrSIRaK8c3JRxJDZOvhvIeSco3ej+ngLk1kk=
+github.com/charmbracelet/colorprofile v0.4.3 h1:QPa1IWkYI+AOB+fE+mg/5/4HRMZcaXex9t5KX76i20Q=
-github.com/charmbracelet/colorprofile v0.4.1/go.mod h1:U1d9Dljmdf9DLegaJ0nGZNJvoXAhayhmidOdcBwAvKk=
+github.com/charmbracelet/colorprofile v0.4.3/go.mod h1:/zT4BhpD5aGFpqQQqw7a+VtHCzu+zrQtt1zhMt9mR4Q=
-github.com/charmbracelet/glamour v0.10.0 h1:MtZvfwsYCx8jEPFJm3rIBFIMZUfUJ765oX8V6kXldcY=
+github.com/charmbracelet/glamour v1.0.0 h1:AWMLOVFHTsysl4WV8T8QgkQ0s/ZNZo7CiE4WKhk8l08=
-github.com/charmbracelet/glamour v0.10.0/go.mod h1:f+uf+I/ChNmqo087elLnVdCiVgjSKWuXa/l6NU2ndYk=
+github.com/charmbracelet/glamour v1.0.0/go.mod h1:DSdohgOBkMr2ZQNhw4LZxSGpx3SvpeujNoXrQyH2hxo=
 github.com/charmbracelet/harmonica v0.2.0 h1:8NxJWRWg/bzKqqEaaeFNipOu77YR5t8aSwG4pgaUBiQ=
 github.com/charmbracelet/harmonica v0.2.0/go.mod h1:KSri/1RMQOZLbw7AHqgcBycp8pgJnQMYYT8QZRqZ1Ao=
 github.com/charmbracelet/lipgloss v1.1.1-0.20250404203927-76690c660834 h1:ZR7e0ro+SZZiIZD7msJyA+NjkCNNavuiPBLgerbOziE=
@@ -34,45 +34,43 @@ github.com/charmbracelet/x/cellbuf v0.0.15 h1:ur3pZy0o6z/R7EylET877CBxaiE1Sp1GMx
 github.com/charmbracelet/x/cellbuf v0.0.15/go.mod h1:J1YVbR7MUuEGIFPCaaZ96KDl5NoS0DAWkskup+mOY+Q=
 github.com/charmbracelet/x/exp/golden v0.0.0-20241011142426-46044092ad91 h1:payRxjMjKgx2PaCWLZ4p3ro9y97+TVLZNaRZgJwSVDQ=
 github.com/charmbracelet/x/exp/golden v0.0.0-20241011142426-46044092ad91/go.mod h1:wDlXFlCrmJ8J+swcL/MnGUuYnqgQdW9rhSD61oNMb6U=
-github.com/charmbracelet/x/exp/slice v0.0.0-20260109001716-2fbdffcb221f h1:kvAY8ffwhFuxWqtVI6+9E5vmgTApG96hswFLXJfsxHI=
+github.com/charmbracelet/x/exp/slice v0.0.0-20260329003944-7eda8903d971 h1:wae/9jUCdhUiuyCcOzZZ+vJEB7uJx+IvtTnpCqcW1ZQ=
-github.com/charmbracelet/x/exp/slice v0.0.0-20260109001716-2fbdffcb221f/go.mod h1:vqEfX6xzqW1pKKZUUiFOKg0OQ7bCh54Q2vR/tserrRA=
+github.com/charmbracelet/x/exp/slice v0.0.0-20260329003944-7eda8903d971/go.mod h1:vqEfX6xzqW1pKKZUUiFOKg0OQ7bCh54Q2vR/tserrRA=
 github.com/charmbracelet/x/term v0.2.2 h1:xVRT/S2ZcKdhhOuSP4t5cLi5o+JxklsoEObBSgfgZRk=
 github.com/charmbracelet/x/term v0.2.2/go.mod h1:kF8CY5RddLWrsgVwpw4kAa6TESp6EB5y3uxGLeCqzAI=
-github.com/clipperhouse/displaywidth v0.9.0 h1:Qb4KOhYwRiN3viMv1v/3cTBlz3AcAZX3+y9OLhMtAtA=
+github.com/clipperhouse/displaywidth v0.11.0 h1:lBc6kY44VFw+TDx4I8opi/EtL9m20WSEFgwIwO+UVM8=
-github.com/clipperhouse/displaywidth v0.9.0/go.mod h1:aCAAqTlh4GIVkhQnJpbL0T/WfcrJXHcj8C0yjYcjOZA=
+github.com/clipperhouse/displaywidth v0.11.0/go.mod h1:bkrFNkf81G8HyVqmKGxsPufD3JhNl3dSqnGhOoSD/o0=
-github.com/clipperhouse/stringish v0.1.1 h1:+NSqMOr3GR6k1FdRhhnXrLfztGzuG+VuFDfatpWHKCs=
+github.com/clipperhouse/uax29/v2 v2.7.0 h1:+gs4oBZ2gPfVrKPthwbMzWZDaAFPGYK72F0NJv2v7Vk=
-github.com/clipperhouse/stringish v0.1.1/go.mod h1:v/WhFtE1q0ovMta2+m+UbpZ+2/HEXNWYXQgCt4hdOzA=
+github.com/clipperhouse/uax29/v2 v2.7.0/go.mod h1:EFJ2TJMRUaplDxHKj1qAEhCtQPW2tJSwu5BF98AuoVM=
-github.com/clipperhouse/uax29/v2 v2.5.0 h1:x7T0T4eTHDONxFJsL94uKNKPHrclyFI0lm7+w94cO8U=
-github.com/clipperhouse/uax29/v2 v2.5.0/go.mod h1:Wn1g7MK6OoeDT0vL+Q0SQLDz/KpfsVRgg6W7ihQeh4g=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dlclark/regexp2 v1.11.5 h1:Q/sSnsKerHeCkc/jSTNq1oCm7KiVgUMZRDUoRu0JQZQ=
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-github.com/dop251/goja v0.0.0-20260106131823-651366fbe6e3 h1:bVp3yUzvSAJzu9GqID+Z96P+eu5TKnIMJSV4QaZMauM=
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 github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f h1:Y/CXytFA4m6baUTXGLOoWe4PQhGxaX0KpnayAqC48p4=
 github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f/go.mod h1:vw97MGsxSvLiUE2X8qFplwetxpGLQrlU1Q9AUEIzCaM=
-github.com/go-sourcemap/sourcemap v2.1.3+incompatible h1:W1iEw64niKVGogNgBN3ePyLFfuisuzeidWPMPWmECqU=
+github.com/go-sourcemap/sourcemap v2.1.4+incompatible h1:a+iTbH5auLKxaNwQFg0B+TCYl6lbukKPc7b5x0n1s6Q=
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 github.com/hexops/gotextdiff v1.0.3 h1:gitA9+qJrrTCsiCl7+kh75nPqQt1cx4ZkudSTLoUqJM=
 github.com/hexops/gotextdiff v1.0.3/go.mod h1:pSWU5MAI3yDq+fZBTazCSJysOMbxWL1BSow5/V2vxeg=
 github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
 github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
-github.com/klauspost/compress v1.18.2 h1:iiPHWW0YrcFgpBYhsA6D1+fqHssJscY/Tm/y2Uqnapk=
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-github.com/klauspost/compress v1.18.2/go.mod h1:R0h/fSBs8DE4ENlcrlib3PsXS61voFxhIs2DeRhCvJ4=
+github.com/klauspost/compress v1.18.5/go.mod h1:cwPg85FWrGar70rWktvGQj8/hthj3wpl0PGDogxkrSQ=
-github.com/lucasb-eyer/go-colorful v1.3.0 h1:2/yBRLdWBZKrf7gB40FoiKfAWYQ0lqNcbuQwVHXptag=
+github.com/lucasb-eyer/go-colorful v1.4.0 h1:UtrWVfLdarDgc44HcS7pYloGHJUjHV/4FwW4TvVgFr4=
-github.com/lucasb-eyer/go-colorful v1.3.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
+github.com/lucasb-eyer/go-colorful v1.4.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/mattn/go-localereader v0.0.1 h1:ygSAOl7ZXTx4RdPYinUpg6W99U8jWvWi9Ye2JC/oIi4=
 github.com/mattn/go-localereader v0.0.1/go.mod h1:8fBrzywKY7BI3czFoHkuzRoWE9C+EiG4R1k4Cjx5p88=
 github.com/mattn/go-runewidth v0.0.12/go.mod h1:RAqKPSqVFrSLVXbA8x7dzmKdmGzieGRCM46jaSJTDAk=
-github.com/mattn/go-runewidth v0.0.19 h1:v++JhqYnZuu5jSKrk9RbgF5v4CGUjqRfBm05byFGLdw=
+github.com/mattn/go-runewidth v0.0.21 h1:jJKAZiQH+2mIinzCJIaIG9Be1+0NR+5sz/lYEEjdM8w=
-github.com/mattn/go-runewidth v0.0.19/go.mod h1:XBkDxAl56ILZc9knddidhrOlY5R/pDhgLpndooCuJAs=
+github.com/mattn/go-runewidth v0.0.21/go.mod h1:XBkDxAl56ILZc9knddidhrOlY5R/pDhgLpndooCuJAs=
 github.com/microcosm-cc/bluemonday v1.0.27 h1:MpEUotklkwCSLeH+Qdx1VJgNqLlpY2KXwXFM08ygZfk=
 github.com/microcosm-cc/bluemonday v1.0.27/go.mod h1:jFi9vgW+H7c3V0lb6nR74Ib/DIB5OBs92Dimizgw2cA=
 github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 h1:ZK8zHtRHOkbHy6Mmr5D264iyp3TiX5OmNcI5cIARiQI=
@@ -93,34 +91,34 @@ github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
-github.com/valyala/fasthttp v1.69.0 h1:fNLLESD2SooWeh2cidsuFtOcrEi4uB4m1mPrkJMZyVI=
+github.com/valyala/fasthttp v1.70.0 h1:LAhMGcWk13QZWm85+eg8ZBNbrq5mnkWFGbHMUJHIdXA=
-github.com/valyala/fasthttp v1.69.0/go.mod h1:4wA4PfAraPlAsJ5jMSqCE2ug5tqUPwKXxVj8oNECGcw=
+github.com/valyala/fasthttp v1.70.0/go.mod h1:oDZEHHkJ/Buyklg6uURmYs19442zFSnCIfX3j1FY3pE=
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
 github.com/xyproto/randomstring v1.0.5 h1:YtlWPoRdgMu3NZtP45drfy1GKoojuR7hmRcnhZqKjWU=
 github.com/xyproto/randomstring v1.0.5/go.mod h1:rgmS5DeNXLivK7YprL0pY+lTuhNQW3iGxZ18UQApw/E=
-github.com/yuin/goldmark v1.7.16 h1:n+CJdUxaFMiDUNnWC3dMWCIQJSkxH4uz3ZwQBkAlVNE=
+github.com/yuin/goldmark v1.8.2 h1:kEGpgqJXdgbkhcOgBxkC0X0PmoPG1ZyoZ117rDVp4zE=
-github.com/yuin/goldmark v1.7.16/go.mod h1:ip/1k0VRfGynBgxOz0yCqHrbZXhcjxyuS66Brc7iBKg=
+github.com/yuin/goldmark v1.8.2/go.mod h1:ip/1k0VRfGynBgxOz0yCqHrbZXhcjxyuS66Brc7iBKg=
 github.com/yuin/goldmark-emoji v1.0.6 h1:QWfF2FYaXwL74tfGOW5izeiZepUDroDJfWubQI9HTHs=
 github.com/yuin/goldmark-emoji v1.0.6/go.mod h1:ukxJDKFpdFb5x0a5HqbdlcKtebh086iJpI31LTKmWuA=
-github.com/yuin/gopher-lua v1.1.1 h1:kYKnWBjvbNP4XLT3+bPEwAXJx262OhaHDWDVOPjL46M=
+github.com/yuin/gopher-lua v1.1.2 h1:yF/FjE3hD65tBbt0VXLE13HWS9h34fdzJmrWRXwobGA=
-github.com/yuin/gopher-lua v1.1.1/go.mod h1:GBR0iDaNXjAgGg9zfCvksxSRnQx76gclCIb7kdAd1Pw=
+github.com/yuin/gopher-lua v1.1.2/go.mod h1:7aRmXIWl37SqRf0koeyylBEzJ+aPt8A+mmkQ4f1ntR8=
 go.aykhans.me/utils v1.0.7 h1:ClHXHlWmkjfFlD7+w5BQY29lKCEztxY/yCf543x4hZw=
 go.aykhans.me/utils v1.0.7/go.mod h1:0Jz8GlZLN35cCHLOLx39sazWwEe33bF6SYlSeqzEXoI=
-go.yaml.in/yaml/v4 v4.0.0-rc.3 h1:3h1fjsh1CTAPjW7q/EMe+C8shx5d8ctzZTrLcs/j8Go=
+go.yaml.in/yaml/v4 v4.0.0-rc.4 h1:UP4+v6fFrBIb1l934bDl//mmnoIZEDK0idg1+AIvX5U=
-go.yaml.in/yaml/v4 v4.0.0-rc.3/go.mod h1:aZqd9kCMsGL7AuUv/m/PvWLdg5sjJsZ4oHDEnfPPfY0=
+go.yaml.in/yaml/v4 v4.0.0-rc.4/go.mod h1:aZqd9kCMsGL7AuUv/m/PvWLdg5sjJsZ4oHDEnfPPfY0=
 golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
 golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo=
-golang.org/x/net v0.51.0 h1:94R/GTO7mt3/4wIKpcR5gkGmRLOuE/2hNGeWq/GBIFo=
+golang.org/x/net v0.52.0 h1:He/TN1l0e4mmR3QqHMT2Xab3Aj3L9qjbhRm78/6jrW0=
-golang.org/x/net v0.51.0/go.mod h1:aamm+2QF5ogm02fjy5Bb7CQ0WMt1/WVM7FtyaTLlA9Y=
+golang.org/x/net v0.52.0/go.mod h1:R1MAz7uMZxVMualyPXb+VaqGSa3LIaUqk0eEt3w36Sw=
 golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.41.0 h1:Ivj+2Cp/ylzLiEU89QhWblYnOE9zerudt9Ftecq2C6k=
+golang.org/x/sys v0.42.0 h1:omrd2nAlyT5ESRdCLYdm3+fMfNFE/+Rf4bDIQImRJeo=
-golang.org/x/sys v0.41.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/sys v0.42.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
-golang.org/x/term v0.40.0 h1:36e4zGLqU4yhjlmxEaagx2KuYbJq3EwY8K943ZsHcvg=
+golang.org/x/term v0.41.0 h1:QCgPso/Q3RTJx2Th4bDLqML4W6iJiaXFq2/ftQF13YU=
-golang.org/x/term v0.40.0/go.mod h1:w2P8uVp06p2iyKKuvXIm7N/y0UCRt3UfJTfZ7oOpglM=
+golang.org/x/term v0.41.0/go.mod h1:3pfBgksrReYfZ5lvYM0kSO0LIkAl4Yl2bXOkKP7Ec2A=
-golang.org/x/text v0.34.0 h1:oL/Qq0Kdaqxa1KbNeMKwQq0reLCCaFtqu2eNuSeNHbk=
+golang.org/x/text v0.35.0 h1:JOVx6vVDFokkpaq1AEptVzLTpDe9KGpj5tR4/X+ybL8=
-golang.org/x/text v0.34.0/go.mod h1:homfLqTYRFyVYemLBFl5GgL/DWEiH5wcsQ5gSh1yziA=
+golang.org/x/text v0.35.0/go.mod h1:khi/HExzZJ2pGnjenulevKNX1W67CUy0AsXcNubPGCA=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=

internal/config/config.go

@@ -418,7 +418,7 @@ func (config Config) Validate() error {
 		validationErrors = append(validationErrors, types.NewFieldValidationError("Duration", "0", errors.New("duration must be greater than 0")))
 	}
 
-	if *config.Timeout < 1 {
+	if config.Timeout == nil || *config.Timeout < 1 {
 		validationErrors = append(validationErrors, types.NewFieldValidationError("Timeout", "0", errors.New("timeout must be greater than 0")))
 	}
 

internal/config/env.go

@@ -157,7 +157,7 @@ func (parser ConfigENVParser) Parse() (*Config, error) {
 				types.NewFieldParseError(
 					parser.getFullEnvName("DURATION"),
 					duration,
-					errors.New("invalid value duration, expected a duration string (e.g., '10s', '1h30m')"),
+					errors.New("invalid value for duration, expected a duration string (e.g., '10s', '1h30m')"),
 				),
 			)
 		} else {
@@ -173,7 +173,7 @@ func (parser ConfigENVParser) Parse() (*Config, error) {
 				types.NewFieldParseError(
 					parser.getFullEnvName("TIMEOUT"),
 					timeout,
-					errors.New("invalid value duration, expected a duration string (e.g., '10s', '1h30m')"),
+					errors.New("invalid value for duration, expected a duration string (e.g., '10s', '1h30m')"),
 				),
 			)
 		} else {

internal/sarin/captcha.go

@@ -0,0 +1,271 @@
+package sarin
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"net/http"
+	"strings"
+	"time"
+
+	"go.aykhans.me/sarin/internal/types"
+)
+
+const (
+	captchaPollInterval = 5 * time.Second
+	captchaTimeout      = 120 * time.Second
+)
+
+var captchaHTTPClient = &http.Client{Timeout: captchaTimeout}
+
+// solveCaptcha creates a task and polls for the result.
+// baseURL is the service API base (e.g. "https://api.2captcha.com").
+// taskIDIsString controls whether taskId is sent back as a string or number.
+// solutionKey is the field name in the solution object that holds the token.
+func solveCaptcha(baseURL, apiKey string, task map[string]any, solutionKey string, taskIDIsString bool) (string, error) {
+	if apiKey == "" {
+		return "", types.ErrCaptchaKeyEmpty
+	}
+
+	taskID, err := captchaCreateTask(baseURL, apiKey, task)
+	if err != nil {
+		return "", err
+	}
+	return captchaPollResult(baseURL, apiKey, taskID, solutionKey, taskIDIsString)
+}
+
+func captchaCreateTask(baseURL, apiKey string, task map[string]any) (string, error) {
+	body := map[string]any{
+		"clientKey": apiKey,
+		"task":      task,
+	}
+
+	data, err := json.Marshal(body)
+	if err != nil {
+		return "", types.NewCaptchaRequestError("createTask", err)
+	}
+
+	resp, err := captchaHTTPClient.Post(
+		baseURL+"/createTask",
+		"application/json",
+		bytes.NewReader(data),
+	)
+	if err != nil {
+		return "", types.NewCaptchaRequestError("createTask", err)
+	}
+	defer resp.Body.Close() //nolint:errcheck
+
+	var result struct {
+		ErrorID          int             `json:"errorId"`
+		ErrorCode        string          `json:"errorCode"`
+		ErrorDescription string          `json:"errorDescription"`
+		TaskID           json.RawMessage `json:"taskId"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&result); err != nil {
+		return "", types.NewCaptchaRequestError("createTask", err)
+	}
+
+	if result.ErrorID != 0 {
+		return "", types.NewCaptchaAPIError("createTask", result.ErrorCode, result.ErrorDescription)
+	}
+
+	// taskId may be a JSON number (2captcha, anti-captcha) or a quoted string (capsolver UUIDs).
+	// Strip surrounding quotes if present so we always work with the underlying value.
+	return strings.Trim(string(result.TaskID), `"`), nil
+}
+
+func captchaPollResult(baseURL, apiKey, taskID, solutionKey string, taskIDIsString bool) (string, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), captchaTimeout)
+	defer cancel()
+
+	ticker := time.NewTicker(captchaPollInterval)
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-ctx.Done():
+			return "", types.NewCaptchaTimeoutError(taskID)
+		case <-ticker.C:
+			token, done, err := captchaGetTaskResult(baseURL, apiKey, taskID, solutionKey, taskIDIsString)
+			if err != nil {
+				return "", err
+			}
+			if done {
+				return token, nil
+			}
+		}
+	}
+}
+
+func captchaGetTaskResult(baseURL, apiKey, taskID, solutionKey string, taskIDIsString bool) (string, bool, error) {
+	var bodyMap map[string]any
+	if taskIDIsString {
+		bodyMap = map[string]any{"clientKey": apiKey, "taskId": taskID}
+	} else {
+		bodyMap = map[string]any{"clientKey": apiKey, "taskId": json.Number(taskID)}
+	}
+
+	data, err := json.Marshal(bodyMap)
+	if err != nil {
+		return "", false, types.NewCaptchaRequestError("getTaskResult", err)
+	}
+
+	resp, err := captchaHTTPClient.Post(
+		baseURL+"/getTaskResult",
+		"application/json",
+		bytes.NewReader(data),
+	)
+	if err != nil {
+		return "", false, types.NewCaptchaRequestError("getTaskResult", err)
+	}
+	defer resp.Body.Close() //nolint:errcheck
+
+	var result struct {
+		ErrorID          int            `json:"errorId"`
+		ErrorCode        string         `json:"errorCode"`
+		ErrorDescription string         `json:"errorDescription"`
+		Status           string         `json:"status"`
+		Solution         map[string]any `json:"solution"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&result); err != nil {
+		return "", false, types.NewCaptchaRequestError("getTaskResult", err)
+	}
+
+	if result.ErrorID != 0 {
+		return "", false, types.NewCaptchaAPIError("getTaskResult", result.ErrorCode, result.ErrorDescription)
+	}
+
+	if result.Status == "processing" || result.Status == "idle" {
+		return "", false, nil
+	}
+
+	token, ok := result.Solution[solutionKey]
+	if !ok {
+		return "", false, types.NewCaptchaSolutionKeyError(solutionKey)
+	}
+	tokenStr, ok := token.(string)
+	if !ok {
+		return "", false, types.NewCaptchaSolutionKeyError(solutionKey)
+	}
+
+	return tokenStr, true, nil
+}
+
+// ======================================== 2Captcha ========================================
+
+const twoCaptchaBaseURL = "https://api.2captcha.com"
+
+func twoCaptchaSolveRecaptchaV2(apiKey, websiteURL, websiteKey string) (string, error) {
+	return solveCaptcha(twoCaptchaBaseURL, apiKey, map[string]any{
+		"type":       "RecaptchaV2TaskProxyless",
+		"websiteURL": websiteURL,
+		"websiteKey": websiteKey,
+	}, "gRecaptchaResponse", false)
+}
+
+func twoCaptchaSolveRecaptchaV3(apiKey, websiteURL, websiteKey, pageAction string) (string, error) {
+	task := map[string]any{
+		"type":       "RecaptchaV3TaskProxyless",
+		"websiteURL": websiteURL,
+		"websiteKey": websiteKey,
+	}
+	if pageAction != "" {
+		task["pageAction"] = pageAction
+	}
+	return solveCaptcha(twoCaptchaBaseURL, apiKey, task, "gRecaptchaResponse", false)
+}
+
+func twoCaptchaSolveTurnstile(apiKey, websiteURL, websiteKey, cData string) (string, error) {
+	task := map[string]any{
+		"type":       "TurnstileTaskProxyless",
+		"websiteURL": websiteURL,
+		"websiteKey": websiteKey,
+	}
+	if cData != "" {
+		task["data"] = cData
+	}
+	return solveCaptcha(twoCaptchaBaseURL, apiKey, task, "token", false)
+}
+
+// ======================================== Anti-Captcha ========================================
+
+const antiCaptchaBaseURL = "https://api.anti-captcha.com"
+
+func antiCaptchaSolveRecaptchaV2(apiKey, websiteURL, websiteKey string) (string, error) {
+	return solveCaptcha(antiCaptchaBaseURL, apiKey, map[string]any{
+		"type":       "RecaptchaV2TaskProxyless",
+		"websiteURL": websiteURL,
+		"websiteKey": websiteKey,
+	}, "gRecaptchaResponse", false)
+}
+
+func antiCaptchaSolveRecaptchaV3(apiKey, websiteURL, websiteKey, pageAction string) (string, error) {
+	// Anti-Captcha requires minScore for reCAPTCHA v3. 0.3 is the loosest threshold.
+	task := map[string]any{
+		"type":       "RecaptchaV3TaskProxyless",
+		"websiteURL": websiteURL,
+		"websiteKey": websiteKey,
+		"minScore":   0.3,
+	}
+	if pageAction != "" {
+		task["pageAction"] = pageAction
+	}
+	return solveCaptcha(antiCaptchaBaseURL, apiKey, task, "gRecaptchaResponse", false)
+}
+
+func antiCaptchaSolveHCaptcha(apiKey, websiteURL, websiteKey string) (string, error) {
+	// Anti-Captcha returns hCaptcha tokens under "gRecaptchaResponse" (not "token").
+	return solveCaptcha(antiCaptchaBaseURL, apiKey, map[string]any{
+		"type":       "HCaptchaTaskProxyless",
+		"websiteURL": websiteURL,
+		"websiteKey": websiteKey,
+	}, "gRecaptchaResponse", false)
+}
+
+func antiCaptchaSolveTurnstile(apiKey, websiteURL, websiteKey, cData string) (string, error) {
+	task := map[string]any{
+		"type":       "TurnstileTaskProxyless",
+		"websiteURL": websiteURL,
+		"websiteKey": websiteKey,
+	}
+	if cData != "" {
+		task["cData"] = cData
+	}
+	return solveCaptcha(antiCaptchaBaseURL, apiKey, task, "token", false)
+}
+
+// ======================================== CapSolver ========================================
+
+const capSolverBaseURL = "https://api.capsolver.com"
+
+func capSolverSolveRecaptchaV2(apiKey, websiteURL, websiteKey string) (string, error) {
+	return solveCaptcha(capSolverBaseURL, apiKey, map[string]any{
+		"type":       "ReCaptchaV2TaskProxyLess",
+		"websiteURL": websiteURL,
+		"websiteKey": websiteKey,
+	}, "gRecaptchaResponse", true)
+}
+
+func capSolverSolveRecaptchaV3(apiKey, websiteURL, websiteKey, pageAction string) (string, error) {
+	task := map[string]any{
+		"type":       "ReCaptchaV3TaskProxyLess",
+		"websiteURL": websiteURL,
+		"websiteKey": websiteKey,
+	}
+	if pageAction != "" {
+		task["pageAction"] = pageAction
+	}
+	return solveCaptcha(capSolverBaseURL, apiKey, task, "gRecaptchaResponse", true)
+}
+
+func capSolverSolveTurnstile(apiKey, websiteURL, websiteKey, cData string) (string, error) {
+	task := map[string]any{
+		"type":       "AntiTurnstileTaskProxyLess",
+		"websiteURL": websiteURL,
+		"websiteKey": websiteKey,
+	}
+	if cData != "" {
+		task["metadata"] = map[string]any{"cdata": cData}
+	}
+	return solveCaptcha(capSolverBaseURL, apiKey, task, "token", true)
+}

internal/sarin/client.go

@@ -172,7 +172,6 @@ func fasthttpSocksDialerDualStackTimeout(ctx context.Context, proxyURL *url.URL,
 				return nil, types.NewProxyDialError(proxyStr, err)
 			}
 
-			// Cap DNS resolution to half the timeout to reserve time for dial
 			dnsCtx, dnsCancel := context.WithTimeout(ctx, timeout)
 			ips, err := net.DefaultResolver.LookupIP(dnsCtx, "ip", host)
 			dnsCancel()
@@ -244,7 +243,7 @@ func fasthttpHTTPSDialerDualStackTimeout(proxyURL *url.URL, timeout time.Duratio
 		}
 
 		// Upgrade to TLS
-		tlsConn := tls.Client(conn, &tls.Config{ //nolint:gosec
+		tlsConn := tls.Client(conn, &tls.Config{
 			ServerName: proxyURL.Hostname(),
 		})
 		if err := tlsConn.Handshake(); err != nil {

internal/sarin/helpers.go

@@ -8,7 +8,14 @@ import (
 func NewDefaultRandSource() rand.Source {
 	now := time.Now().UnixNano()
 	return rand.NewPCG(
-		uint64(now),     //nolint:gosec // G115: Safe conversion; UnixNano timestamp used as random seed, bit pattern is intentional
+		uint64(now),
-		uint64(now>>32), //nolint:gosec // G115: Safe conversion; right-shifted timestamp for seed entropy, overflow is acceptable
+		uint64(now>>32),
 	)
 }
+
+func firstOrEmpty(values []string) string {
+	if len(values) == 0 {
+		return ""
+	}
+	return values[0]
+}

internal/sarin/request.go

@@ -43,19 +43,34 @@ func NewRequestGenerator(
 	randSource := NewDefaultRandSource()
 	//nolint:gosec // G404: Using non-cryptographic rand for load testing, not security
 	localRand := rand.New(randSource)
-	templateFuncMap := NewDefaultTemplateFuncMap(randSource, fileCache)
 
-	pathGenerator, isPathGeneratorDynamic := createTemplateFunc(requestURL.Path, templateFuncMap)
+	// Funcs() is only called if a value actually contains template syntax.
-	methodGenerator, isMethodGeneratorDynamic := NewMethodGeneratorFunc(localRand, methods, templateFuncMap)
+	// The root template is shared across all createTemplateFunc calls so Funcs() is called at most once.
-	paramsGenerator, isParamsGeneratorDynamic := NewParamsGeneratorFunc(localRand, params, templateFuncMap)
+	var templateRoot *template.Template
-	headersGenerator, isHeadersGeneratorDynamic := NewHeadersGeneratorFunc(localRand, headers, templateFuncMap)
+	lazyTemplateRoot := func() *template.Template {
-	cookiesGenerator, isCookiesGeneratorDynamic := NewCookiesGeneratorFunc(localRand, cookies, templateFuncMap)
+		if templateRoot == nil {
+			templateRoot = template.New("").Funcs(NewDefaultTemplateFuncMap(randSource, fileCache))
+		}
+		return templateRoot
+	}
+
+	pathGenerator, isPathGeneratorDynamic := createTemplateFunc(requestURL.Path, lazyTemplateRoot)
+	methodGenerator, isMethodGeneratorDynamic := NewMethodGeneratorFunc(localRand, methods, lazyTemplateRoot)
+	paramsGenerator, isParamsGeneratorDynamic := NewParamsGeneratorFunc(localRand, params, lazyTemplateRoot)
+	headersGenerator, isHeadersGeneratorDynamic := NewHeadersGeneratorFunc(localRand, headers, lazyTemplateRoot)
+	cookiesGenerator, isCookiesGeneratorDynamic := NewCookiesGeneratorFunc(localRand, cookies, lazyTemplateRoot)
 
 	bodyTemplateFuncMapData := &BodyTemplateFuncMapData{}
-	bodyTemplateFuncMap := NewDefaultBodyTemplateFuncMap(randSource, bodyTemplateFuncMapData, fileCache)
+	var bodyTemplateRoot *template.Template
-	bodyGenerator, isBodyGeneratorDynamic := NewBodyGeneratorFunc(localRand, bodies, bodyTemplateFuncMap)
+	lazyBodyTemplateRoot := func() *template.Template {
+		if bodyTemplateRoot == nil {
+			bodyTemplateRoot = template.New("").Funcs(NewDefaultBodyTemplateFuncMap(randSource, bodyTemplateFuncMapData, fileCache))
+		}
+		return bodyTemplateRoot
+	}
+	bodyGenerator, isBodyGeneratorDynamic := NewBodyGeneratorFunc(localRand, bodies, lazyBodyTemplateRoot)
 
-	valuesGenerator := NewValuesGeneratorFunc(values, templateFuncMap)
+	valuesGenerator := NewValuesGeneratorFunc(values, lazyTemplateRoot)
 
 	hasScripts := scriptTransformer != nil && !scriptTransformer.IsEmpty()
 
@@ -91,7 +106,7 @@ func NewRequestGenerator(
 				return err
 			}
 
-			bodyTemplateFuncMapData.ClearFormDataContenType()
+			bodyTemplateFuncMapData.ClearFormDataContentType()
 			if err = bodyGenerator(reqData, data); err != nil {
 				return err
 			}
@@ -99,8 +114,8 @@ func NewRequestGenerator(
 			if err = headersGenerator(reqData, data); err != nil {
 				return err
 			}
-			if bodyTemplateFuncMapData.GetFormDataContenType() != "" {
+			if bodyTemplateFuncMapData.GetFormDataContentType() != "" {
-				reqData.Headers["Content-Type"] = append(reqData.Headers["Content-Type"], bodyTemplateFuncMapData.GetFormDataContenType())
+				reqData.Headers["Content-Type"] = append(reqData.Headers["Content-Type"], bodyTemplateFuncMapData.GetFormDataContentType())
 			}
 
 			if err = paramsGenerator(reqData, data); err != nil {
@@ -170,8 +185,8 @@ func applyRequestDataToFastHTTP(reqData *script.RequestData, req *fasthttp.Reque
 	}
 }
 
-func NewMethodGeneratorFunc(localRand *rand.Rand, methods []string, templateFunctions template.FuncMap) (requestDataGenerator, bool) {
+func NewMethodGeneratorFunc(localRand *rand.Rand, methods []string, lazyRoot func() *template.Template) (requestDataGenerator, bool) {
-	methodGenerator, isDynamic := buildStringSliceGenerator(localRand, methods, templateFunctions)
+	methodGenerator, isDynamic := buildStringSliceGenerator(localRand, methods, lazyRoot)
 
 	var (
 		method string
@@ -188,8 +203,8 @@ func NewMethodGeneratorFunc(localRand *rand.Rand, methods []string, templateFunc
 	}, isDynamic
 }
 
-func NewBodyGeneratorFunc(localRand *rand.Rand, bodies []string, templateFunctions template.FuncMap) (requestDataGenerator, bool) {
+func NewBodyGeneratorFunc(localRand *rand.Rand, bodies []string, lazyRoot func() *template.Template) (requestDataGenerator, bool) {
-	bodyGenerator, isDynamic := buildStringSliceGenerator(localRand, bodies, templateFunctions)
+	bodyGenerator, isDynamic := buildStringSliceGenerator(localRand, bodies, lazyRoot)
 
 	var (
 		body string
@@ -206,8 +221,8 @@ func NewBodyGeneratorFunc(localRand *rand.Rand, bodies []string, templateFunctio
 	}, isDynamic
 }
 
-func NewParamsGeneratorFunc(localRand *rand.Rand, params types.Params, templateFunctions template.FuncMap) (requestDataGenerator, bool) {
+func NewParamsGeneratorFunc(localRand *rand.Rand, params types.Params, lazyRoot func() *template.Template) (requestDataGenerator, bool) {
-	generators, isDynamic := buildKeyValueGenerators(localRand, params, templateFunctions)
+	generators, isDynamic := buildKeyValueGenerators(localRand, params, lazyRoot)
 
 	var (
 		key, value string
@@ -231,8 +246,8 @@ func NewParamsGeneratorFunc(localRand *rand.Rand, params types.Params, templateF
 	}, isDynamic
 }
 
-func NewHeadersGeneratorFunc(localRand *rand.Rand, headers types.Headers, templateFunctions template.FuncMap) (requestDataGenerator, bool) {
+func NewHeadersGeneratorFunc(localRand *rand.Rand, headers types.Headers, lazyRoot func() *template.Template) (requestDataGenerator, bool) {
-	generators, isDynamic := buildKeyValueGenerators(localRand, headers, templateFunctions)
+	generators, isDynamic := buildKeyValueGenerators(localRand, headers, lazyRoot)
 
 	var (
 		key, value string
@@ -256,8 +271,8 @@ func NewHeadersGeneratorFunc(localRand *rand.Rand, headers types.Headers, templa
 	}, isDynamic
 }
 
-func NewCookiesGeneratorFunc(localRand *rand.Rand, cookies types.Cookies, templateFunctions template.FuncMap) (requestDataGenerator, bool) {
+func NewCookiesGeneratorFunc(localRand *rand.Rand, cookies types.Cookies, lazyRoot func() *template.Template) (requestDataGenerator, bool) {
-	generators, isDynamic := buildKeyValueGenerators(localRand, cookies, templateFunctions)
+	generators, isDynamic := buildKeyValueGenerators(localRand, cookies, lazyRoot)
 
 	var (
 		key, value string
@@ -281,11 +296,11 @@ func NewCookiesGeneratorFunc(localRand *rand.Rand, cookies types.Cookies, templa
 	}, isDynamic
 }
 
-func NewValuesGeneratorFunc(values []string, templateFunctions template.FuncMap) func() (valuesData, error) {
+func NewValuesGeneratorFunc(values []string, lazyRoot func() *template.Template) func() (valuesData, error) {
 	generators := make([]func(_ any) (string, error), len(values))
 
 	for i, v := range values {
-		generators[i], _ = createTemplateFunc(v, templateFunctions)
+		generators[i], _ = createTemplateFunc(v, lazyRoot)
 	}
 
 	var (
@@ -313,8 +328,12 @@ func NewValuesGeneratorFunc(values []string, templateFunctions template.FuncMap)
 	}
 }
 
-func createTemplateFunc(value string, templateFunctions template.FuncMap) (func(data any) (string, error), bool) {
+func createTemplateFunc(value string, lazyRoot func() *template.Template) (func(data any) (string, error), bool) {
-	tmpl, err := template.New("").Funcs(templateFunctions).Parse(value)
+	if !strings.Contains(value, "{{") {
+		return func(_ any) (string, error) { return value, nil }, false
+	}
+
+	tmpl, err := lazyRoot().New("").Parse(value)
 	if err == nil && hasTemplateActions(tmpl) {
 		var err error
 		return func(data any) (string, error) {
@@ -340,7 +359,7 @@ type keyValueItem interface {
 func buildKeyValueGenerators[T keyValueItem](
 	localRand *rand.Rand,
 	items []T,
-	templateFunctions template.FuncMap,
+	lazyRoot func() *template.Template,
 ) ([]keyValueGenerator, bool) {
 	isDynamic := false
 	generators := make([]keyValueGenerator, len(items))
@@ -350,7 +369,7 @@ func buildKeyValueGenerators[T keyValueItem](
 		keyValue := types.KeyValue[string, []string](item)
 
 		// Generate key function
-		keyFunc, keyIsDynamic := createTemplateFunc(keyValue.Key, templateFunctions)
+		keyFunc, keyIsDynamic := createTemplateFunc(keyValue.Key, lazyRoot)
 		if keyIsDynamic {
 			isDynamic = true
 		}
@@ -358,7 +377,7 @@ func buildKeyValueGenerators[T keyValueItem](
 		// Generate value functions
 		valueFuncs := make([]func(data any) (string, error), len(keyValue.Value))
 		for j, v := range keyValue.Value {
-			valueFunc, valueIsDynamic := createTemplateFunc(v, templateFunctions)
+			valueFunc, valueIsDynamic := createTemplateFunc(v, lazyRoot)
 			if valueIsDynamic {
 				isDynamic = true
 			}
@@ -381,7 +400,7 @@ func buildKeyValueGenerators[T keyValueItem](
 func buildStringSliceGenerator(
 	localRand *rand.Rand,
 	values []string,
-	templateFunctions template.FuncMap,
+	lazyRoot func() *template.Template,
 ) (func() func(data any) (string, error), bool) {
 	// Return a function that returns an empty string generator if values is empty
 	if len(values) == 0 {
@@ -393,7 +412,7 @@ func buildStringSliceGenerator(
 	valueFuncs := make([]func(data any) (string, error), len(values))
 
 	for i, value := range values {
-		valueFunc, valueIsDynamic := createTemplateFunc(value, templateFunctions)
+		valueFunc, valueIsDynamic := createTemplateFunc(value, lazyRoot)
 		if valueIsDynamic {
 			isDynamic = true
 		}

internal/sarin/sarin.go

@@ -484,13 +484,11 @@ func newHostClients(
 		proxiesRaw[i] = url.URL(proxy)
 	}
 
-	maxConns := max(fasthttp.DefaultMaxConnsPerHost, workers)
-	maxConns = ((maxConns * 50 / 100) + maxConns)
 	return NewHostClients(
 		ctx,
 		timeout,
 		proxiesRaw,
-		maxConns,
+		workers,
 		requestURL,
 		skipCertVerify,
 	)

internal/sarin/template.go

@@ -286,7 +286,7 @@ func NewDefaultTemplateFuncMap(randSource rand.Source, fileCache *FileCache) tem
 		"fakeit_AdverbFrequencyDefinite":   fakeit.AdverbFrequencyDefinite,
 		"fakeit_AdverbFrequencyIndefinite": fakeit.AdverbFrequencyIndefinite,
 
-		// Propositions
+		// Prepositions
 		"fakeit_Preposition":         fakeit.Preposition,
 		"fakeit_PrepositionSimple":   fakeit.PrepositionSimple,
 		"fakeit_PrepositionDouble":   fakeit.PrepositionDouble,
@@ -574,7 +574,6 @@ func NewDefaultTemplateFuncMap(randSource rand.Source, fileCache *FileCache) tem
 		"fakeit_ErrorHTTP":       func() string { return fakeit.ErrorHTTP().Error() },
 		"fakeit_ErrorHTTPClient": func() string { return fakeit.ErrorHTTPClient().Error() },
 		"fakeit_ErrorHTTPServer": func() string { return fakeit.ErrorHTTPServer().Error() },
-		// "fakeit_ErrorInput": func() string { return fakeit.ErrorInput().Error() },
 		"fakeit_ErrorRuntime":    func() string { return fakeit.ErrorRuntime().Error() },
 
 		// Fakeit / School
@@ -585,19 +584,68 @@ func NewDefaultTemplateFuncMap(randSource rand.Source, fileCache *FileCache) tem
 		"fakeit_SongName":   fakeit.SongName,
 		"fakeit_SongArtist": fakeit.SongArtist,
 		"fakeit_SongGenre":  fakeit.SongGenre,
+
+		// Captcha / 2Captcha
+		// Usage: {{ twocaptcha_RecaptchaV2 "API_KEY" "SITE_KEY" "https://example.com" }}
+		"twocaptcha_RecaptchaV2": func(apiKey, websiteKey, websiteURL string) (string, error) {
+			return twoCaptchaSolveRecaptchaV2(apiKey, websiteURL, websiteKey)
+		},
+		// Usage: {{ twocaptcha_RecaptchaV3 "API_KEY" "SITE_KEY" "https://example.com" "action" }}
+		"twocaptcha_RecaptchaV3": func(apiKey, websiteKey, websiteURL, pageAction string) (string, error) {
+			return twoCaptchaSolveRecaptchaV3(apiKey, websiteURL, websiteKey, pageAction)
+		},
+		// Usage: {{ twocaptcha_Turnstile "API_KEY" "SITE_KEY" "https://example.com" }}
+		//        {{ twocaptcha_Turnstile "API_KEY" "SITE_KEY" "https://example.com" "cdata" }}
+		"twocaptcha_Turnstile": func(apiKey, websiteKey, websiteURL string, cData ...string) (string, error) {
+			return twoCaptchaSolveTurnstile(apiKey, websiteURL, websiteKey, firstOrEmpty(cData))
+		},
+
+		// Captcha / Anti-Captcha
+		// Usage: {{ anticaptcha_RecaptchaV2 "API_KEY" "SITE_KEY" "https://example.com" }}
+		"anticaptcha_RecaptchaV2": func(apiKey, websiteKey, websiteURL string) (string, error) {
+			return antiCaptchaSolveRecaptchaV2(apiKey, websiteURL, websiteKey)
+		},
+		// Usage: {{ anticaptcha_RecaptchaV3 "API_KEY" "SITE_KEY" "https://example.com" "action" }}
+		"anticaptcha_RecaptchaV3": func(apiKey, websiteKey, websiteURL, pageAction string) (string, error) {
+			return antiCaptchaSolveRecaptchaV3(apiKey, websiteURL, websiteKey, pageAction)
+		},
+		// Usage: {{ anticaptcha_HCaptcha "API_KEY" "SITE_KEY" "https://example.com" }}
+		"anticaptcha_HCaptcha": func(apiKey, websiteKey, websiteURL string) (string, error) {
+			return antiCaptchaSolveHCaptcha(apiKey, websiteURL, websiteKey)
+		},
+		// Usage: {{ anticaptcha_Turnstile "API_KEY" "SITE_KEY" "https://example.com" }}
+		//        {{ anticaptcha_Turnstile "API_KEY" "SITE_KEY" "https://example.com" "cdata" }}
+		"anticaptcha_Turnstile": func(apiKey, websiteKey, websiteURL string, cData ...string) (string, error) {
+			return antiCaptchaSolveTurnstile(apiKey, websiteURL, websiteKey, firstOrEmpty(cData))
+		},
+
+		// Captcha / CapSolver
+		// Usage: {{ capsolver_RecaptchaV2 "API_KEY" "SITE_KEY" "https://example.com" }}
+		"capsolver_RecaptchaV2": func(apiKey, websiteKey, websiteURL string) (string, error) {
+			return capSolverSolveRecaptchaV2(apiKey, websiteURL, websiteKey)
+		},
+		// Usage: {{ capsolver_RecaptchaV3 "API_KEY" "SITE_KEY" "https://example.com" "action" }}
+		"capsolver_RecaptchaV3": func(apiKey, websiteKey, websiteURL, pageAction string) (string, error) {
+			return capSolverSolveRecaptchaV3(apiKey, websiteURL, websiteKey, pageAction)
+		},
+		// Usage: {{ capsolver_Turnstile "API_KEY" "SITE_KEY" "https://example.com" }}
+		//        {{ capsolver_Turnstile "API_KEY" "SITE_KEY" "https://example.com" "cdata" }}
+		"capsolver_Turnstile": func(apiKey, websiteKey, websiteURL string, cData ...string) (string, error) {
+			return capSolverSolveTurnstile(apiKey, websiteURL, websiteKey, firstOrEmpty(cData))
+		},
 	}
 }
 
 type BodyTemplateFuncMapData struct {
-	formDataContenType string
+	formDataContentType string
 }
 
-func (data BodyTemplateFuncMapData) GetFormDataContenType() string {
+func (data BodyTemplateFuncMapData) GetFormDataContentType() string {
-	return data.formDataContenType
+	return data.formDataContentType
 }
 
-func (data *BodyTemplateFuncMapData) ClearFormDataContenType() {
+func (data *BodyTemplateFuncMapData) ClearFormDataContentType() {
-	data.formDataContenType = ""
+	data.formDataContentType = ""
 }
 
 func NewDefaultBodyTemplateFuncMap(
@@ -628,7 +676,7 @@ func NewDefaultBodyTemplateFuncMap(
 
 			var multipartData bytes.Buffer
 			writer := multipart.NewWriter(&multipartData)
-			data.formDataContenType = writer.FormDataContentType()
+			data.formDataContentType = writer.FormDataContentType()
 
 			for i := 0; i < len(pairs); i += 2 {
 				key := pairs[i]

internal/types/errors.go

@@ -442,3 +442,65 @@ func NewScriptUnknownEngineError(engineType string) ScriptUnknownEngineError {
 func (e ScriptUnknownEngineError) Error() string {
 	return "unknown engine type: " + e.EngineType
 }
+
+// ======================================== Captcha ========================================
+
+var ErrCaptchaKeyEmpty = errors.New("captcha API key cannot be empty")
+
+type CaptchaAPIError struct {
+	Endpoint    string
+	Code        string
+	Description string
+}
+
+func NewCaptchaAPIError(endpoint, code, description string) CaptchaAPIError {
+	return CaptchaAPIError{Endpoint: endpoint, Code: code, Description: description}
+}
+
+func (e CaptchaAPIError) Error() string {
+	return fmt.Sprintf("captcha %s error: %s (%s)", e.Endpoint, e.Code, e.Description)
+}
+
+type CaptchaRequestError struct {
+	Endpoint string
+	Err      error
+}
+
+func NewCaptchaRequestError(endpoint string, err error) CaptchaRequestError {
+	if err == nil {
+		err = errNoError
+	}
+	return CaptchaRequestError{Endpoint: endpoint, Err: err}
+}
+
+func (e CaptchaRequestError) Error() string {
+	return fmt.Sprintf("captcha %s request failed: %v", e.Endpoint, e.Err)
+}
+
+func (e CaptchaRequestError) Unwrap() error {
+	return e.Err
+}
+
+type CaptchaTimeoutError struct {
+	TaskID string
+}
+
+func NewCaptchaTimeoutError(taskID string) CaptchaTimeoutError {
+	return CaptchaTimeoutError{TaskID: taskID}
+}
+
+func (e CaptchaTimeoutError) Error() string {
+	return fmt.Sprintf("captcha solving timed out (taskId: %s)", e.TaskID)
+}
+
+type CaptchaSolutionKeyError struct {
+	Key string
+}
+
+func NewCaptchaSolutionKeyError(key string) CaptchaSolutionKeyError {
+	return CaptchaSolutionKeyError{Key: key}
+}
+
+func (e CaptchaSolutionKeyError) Error() string {
+	return fmt.Sprintf("captcha solution missing expected key %q", e.Key)
+}