From 57427b5c9370c8c3c62dd268230fdf35338edf26 Mon Sep 17 00:00:00 2001 From: Ollie Agent Date: Sat, 15 Aug 2026 20:32:28 +0200 Subject: [PATCH] Add web fetch Markdown tool --- data/tools/web_fetch.meta | 17 ++++++ go.mod | 7 +++ go.sum | 75 +++++++++++++++++++++++- justfile | 12 +++- tools/web/cmd/web_fetch/main.go | 80 ++++++++++++++++++++++++++ tools/web/cmd/web_fetch/web_fetch.meta | 15 +++++ 6 files changed, 201 insertions(+), 5 deletions(-) create mode 100644 data/tools/web_fetch.meta create mode 100644 tools/web/cmd/web_fetch/main.go create mode 100644 tools/web/cmd/web_fetch/web_fetch.meta diff --git a/data/tools/web_fetch.meta b/data/tools/web_fetch.meta new file mode 100644 index 0000000..f24bf40 --- /dev/null +++ b/data/tools/web_fetch.meta @@ -0,0 +1,17 @@ +{ + "description": "Fetch an HTTP(S) page and render its HTML as Markdown.", + "prompt": "## web_fetch\n\nFetch an HTTP(S) page and render its HTML as Markdown.\n\n**Args**: `[url]`\n\n```\nweb_fetch(url=\"https://example.com\")\n```", + "args": { + "type": "object", + "required": [ + "url" + ], + "properties": { + "url": { + "type": "string", + "description": "Absolute HTTP or HTTPS URL" + } + } + }, + "scope": "read" +} diff --git a/go.mod b/go.mod index d7bbe21..4dbf511 100644 --- a/go.mod +++ b/go.mod @@ -4,6 +4,7 @@ go 1.25.6 require ( 9fans.net/go v0.0.7 + github.com/JohannesKaufmann/html-to-markdown v1.6.0 github.com/godbus/dbus/v5 v5.1.0 github.com/simonfxr/pubsub v0.0.5 golang.org/x/time v0.15.0 @@ -11,4 +12,10 @@ require ( ollie/virtfs v0.0.0 ) +require ( + github.com/PuerkitoBio/goquery v1.9.2 // indirect + github.com/andybalholm/cascadia v1.3.2 // indirect + golang.org/x/net v0.25.0 // indirect +) + replace ollie/virtfs => ./virtfs diff --git a/go.sum b/go.sum index e7854e9..4c50f5f 100644 --- a/go.sum +++ b/go.sum @@ -2,21 +2,48 @@ 9fans.net/go v0.0.7/go.mod h1:Rxvbbc1e+1TyGMjAvLthGTyO97t+6JMQ6ly+Lcs9Uf0= dmitri.shuralyov.com/gpu/mtl v0.0.0-20201218220906-28db891af037/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU= github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo= -github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8= +github.com/JohannesKaufmann/html-to-markdown v1.6.0 h1:04VXMiE50YYfCfLboJCLcgqF5x+rHJnb1ssNmqpLH/k= +github.com/JohannesKaufmann/html-to-markdown v1.6.0/go.mod h1:NUI78lGg/a7vpEJTz/0uOcYMaibytE4BUOQS8k78yPQ= +github.com/PuerkitoBio/goquery v1.9.2 h1:4/wZksC3KgkQw7SQgkKotmKljk0M6V8TUvA8Wb4yPeE= +github.com/PuerkitoBio/goquery v1.9.2/go.mod h1:GHPCaP0ODyyxqcNoFGYlAprUFH81NuRPd0GX3Zu2Mvk= +github.com/andybalholm/cascadia v1.3.2 h1:3Xi6Dw5lHF15JtdcmAHD3i1+T8plmv7BQ/nsViSLyss= +github.com/andybalholm/cascadia v1.3.2/go.mod h1:7gtRlve5FxPPgIgX36uWBX58OdBsSS6lUvCFb+h7KvU= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8= github.com/godbus/dbus/v5 v5.1.0 h1:4KLkAxT3aOY8Li4FRJe/KvhoNFFxo0m6fNuFUO8QJUk= github.com/godbus/dbus/v5 v5.1.0/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA= +github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI= +github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo= +github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= +github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE= +github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= +github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= +github.com/sebdah/goldie/v2 v2.5.3 h1:9ES/mNN+HNUbNWpVAlrzuZ7jE+Nrczbj8uFRjM7624Y= +github.com/sebdah/goldie/v2 v2.5.3/go.mod h1:oZ9fp0+se1eapSRjfYbsV/0Hqhbuu3bJVvKI/NNtssI= +github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo= +github.com/sergi/go-diff v1.3.1 h1:xkr+Oxo4BOQKmkn/B9eMK0g5Kg/983T9DqqPHwYqD+8= +github.com/sergi/go-diff v1.3.1/go.mod h1:aMJSSKb2lpPvRNec0+w3fl7LP9IOFzdc9Pa4NFbPK1I= github.com/simonfxr/pubsub v0.0.5 h1:DJfvFoglqGvwJriIOC5NI5um34n2YX8KAU5+7jv768w= github.com/simonfxr/pubsub v0.0.5/go.mod h1:bQ+B2NEEHZ08VY/0xVFGaGL1KMJ7cl3yLaXe8xvyC24= github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= +github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4= github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0= github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= +github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY= +github.com/yuin/goldmark v1.7.1 h1:3bajkSilaCbjdKVsKdZjZCLBNPL9pYzrCakKaf4U49U= +github.com/yuin/goldmark v1.7.1/go.mod h1:uzxRWxtg69N339t3louHJ7+O03ezfj6PlliRlaOzY1E= golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= +golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc= +golang.org/x/crypto v0.19.0/go.mod h1:Iy9bg/ha4yyC70EfRS8jz+B6ybOBKMaSxLj6P6oBDfU= +golang.org/x/crypto v0.22.0/go.mod h1:vr6Su+7cTlO45qkww3VDJlzDn0ctJvRgYbC2NvXHt+M= +golang.org/x/crypto v0.23.0/go.mod h1:CKFgDieR+mRhux2Lsu27y0fO304Db0wZe70UKqHu0v8= golang.org/x/exp v0.0.0-20190731235908-ec7cb31e5a56/go.mod h1:JhuoJpWY28nO4Vef9tZUw9qufEGTyX1+7lmHxV5q5G4= golang.org/x/exp v0.0.0-20210405174845-4513512abef3/go.mod h1:I6l2HNBLBZEcrOoCpyKLdY2lHoRZ8lI4x60KMCQDft4= golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js= @@ -28,25 +55,69 @@ golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY= golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg= golang.org/x/mod v0.1.1-0.20191209134235-331c550502dd/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= golang.org/x/mod v0.3.1-0.20200828183125-ce943fd02449/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= +golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4= 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h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU= golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= -gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo= +gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +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 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/justfile b/justfile index 7d154af..1345443 100644 --- a/justfile +++ b/justfile @@ -22,7 +22,7 @@ kf5: build-kf5 install-kf5 # === Build targets === -build: core ninep lib9p toolsrv lsp-tools kde +build: core ninep lib9p toolsrv tools-web lsp-tools kde build-kf5: core ninep lib9p toolsrv kde-kf5 @@ -62,8 +62,14 @@ lsp-tools: install -m644 ./tools/lsp/cmd/lsp_diagnostics/lsp_diagnostics.meta {{cfg}}/tools/lsp_diagnostics.meta toolsrv: - @echo === Building toolsrv === - go build -buildvcs=false -o {{bin}}/toolsrv ./cmd/toolsrv/ + @echo === Building toolsrv === + go build -buildvcs=false -o {{bin}}/toolsrv ./cmd/toolsrv/ + +tools-web: + @echo === Building web tools === + mkdir -p {{cfg}}/tools + go build -o {{cfg}}/tools/web_fetch ./tools/web/cmd/web_fetch/ + install -m644 ./data/tools/web_fetch.meta {{cfg}}/tools/web_fetch.meta kde: @echo === Building ollie-kde === diff --git a/tools/web/cmd/web_fetch/main.go b/tools/web/cmd/web_fetch/main.go new file mode 100644 index 0000000..2dc208e --- /dev/null +++ b/tools/web/cmd/web_fetch/main.go @@ -0,0 +1,80 @@ +// web_fetch — Fetch an HTTP(S) page and render its HTML as Markdown. +package main + +import ( + "encoding/json" + "errors" + "fmt" + "io" + "net/http" + "net/url" + "os" + "strings" + "time" + + md "github.com/JohannesKaufmann/html-to-markdown" +) + +const maxResponseSize = 10 << 20 + +type arguments struct { + URL string `json:"url"` +} + +func main() { + var args arguments + if err := json.NewDecoder(os.Stdin).Decode(&args); err != nil { + fail(err) + } + page, err := fetch(args.URL) + if err != nil { + fail(err) + } + converter := md.NewConverter(args.URL, true, nil) + markdown, err := converter.ConvertString(page) + if err != nil { + fail(fmt.Errorf("convert HTML: %w", err)) + } + fmt.Print(markdown) +} + +func fetch(rawURL string) (string, error) { + u, err := url.ParseRequestURI(rawURL) + if err != nil || u.Scheme == "" || u.Host == "" || (u.Scheme != "http" && u.Scheme != "https") { + return "", errors.New("url must be an absolute http or https URL") + } + + client := &http.Client{Timeout: 30 * time.Second} + request, err := http.NewRequest(http.MethodGet, u.String(), nil) + if err != nil { + return "", fmt.Errorf("create request: %w", err) + } + request.Header.Set("Accept", "text/html,application/xhtml+xml") + request.Header.Set("User-Agent", "ollie-web-fetch/1.0") + + response, err := client.Do(request) + if err != nil { + return "", fmt.Errorf("fetch URL: %w", err) + } + defer response.Body.Close() + if response.StatusCode < http.StatusOK || response.StatusCode >= http.StatusMultipleChoices { + return "", fmt.Errorf("fetch URL: HTTP %s", response.Status) + } + + body, err := io.ReadAll(io.LimitReader(response.Body, maxResponseSize+1)) + if err != nil { + return "", fmt.Errorf("read response: %w", err) + } + if len(body) > maxResponseSize { + return "", fmt.Errorf("response exceeds %d bytes", maxResponseSize) + } + if !strings.Contains(strings.ToLower(response.Header.Get("Content-Type")), "text/html") { + return "", fmt.Errorf("response is not HTML: %s", response.Header.Get("Content-Type")) + } + return string(body), nil +} + +func fail(err error) { + fmt.Fprintf(os.Stderr, "error: %v\n", err) + os.Exit(1) +} diff --git a/tools/web/cmd/web_fetch/web_fetch.meta b/tools/web/cmd/web_fetch/web_fetch.meta new file mode 100644 index 0000000..ab2c313 --- /dev/null +++ b/tools/web/cmd/web_fetch/web_fetch.meta @@ -0,0 +1,15 @@ +{ + "description": "Fetch an HTTP(S) page and render its HTML as Markdown.", + "prompt": "## web_fetch\n\nFetch an HTTP(S) page and render its HTML as Markdown.\n\n**Args**: `[url]`\n\n```\nweb_fetch(url=\"https://example.com\")\n```", + "args": { + "type": "object", + "required": ["url"], + "properties": { + "url": { + "type": "string", + "description": "Absolute HTTP or HTTPS URL" + } + } + }, + "scope": "read" +}