mirror of
https://github.com/gohugoio/hugo.git
synced 2024-11-07 20:30:36 -05:00
parent
75a823a36a
commit
8aa7257f65
4 changed files with 370 additions and 16 deletions
|
@ -20,12 +20,39 @@ aliases: [/assets/]
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Asset files must be stored in the asset directory. This is `/assets` by default, but can be configured via the configuration file's `assetDir` key.
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### From file to resource
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### From file or URL to resource
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In order to process an asset with Hugo Pipes, it must be retrieved as a resource using `resources.Get`, which takes one argument: the filepath of the file relative to the asset directory.
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In order to process an asset with Hugo Pipes, it must be retrieved as a resource using `resources.Get`. The first argument can be the filepath of the file relative to the asset directory or the URL of the file.
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```go-html-template
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{{ $style := resources.Get "sass/main.scss" }}
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{{ $remoteStyle := resources.Get "https://www.example.com/styles.scss" }}
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```
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#### Request options
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When using an URL, the `resources.Get` function takes an optional options map as the last argument, e.g.:
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```
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{{ $resource := resources.Get "https://example.org/api" (dict "headers" (dict "Authorization" "Bearer abcd")) }}
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```
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If you need multiple values for the same header key, use a slice:
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```
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{{ $resource := resources.Get "https://example.org/api" (dict "headers" (dict "X-List" (slice "a" "b" "c"))) }}
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```
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You can also change the request method and set the request body:
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```
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{{ $postResponse := resources.Get "https://example.org/api" (dict
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"method" "post"
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"body" `{"complete": true}`
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"headers" (dict
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"Content-Type" "application/json"
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)
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)}}
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```
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### Asset publishing
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@ -17,7 +17,10 @@ import (
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"bytes"
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"fmt"
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"io"
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"io/ioutil"
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"math/rand"
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"net/http"
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"net/http/httptest"
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"os"
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"github.com/gohugoio/hugo/config"
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@ -35,6 +38,7 @@ import (
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"github.com/gohugoio/hugo/common/herrors"
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"github.com/gohugoio/hugo/helpers"
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"github.com/gohugoio/hugo/htesting"
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qt "github.com/frankban/quicktest"
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@ -385,8 +389,13 @@ T1: {{ $r.Content }}
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func TestResourceChainBasic(t *testing.T) {
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t.Parallel()
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ts := httptest.NewServer(http.FileServer(http.Dir("testdata/")))
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t.Cleanup(func() {
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ts.Close()
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})
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b := newTestSitesBuilder(t)
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b.WithTemplatesAdded("index.html", `
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b.WithTemplatesAdded("index.html", fmt.Sprintf(`
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{{ $hello := "<h1> Hello World! </h1>" | resources.FromString "hello.html" | fingerprint "sha512" | minify | fingerprint }}
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{{ $cssFingerprinted1 := "body { background-color: lightblue; }" | resources.FromString "styles.css" | minify | fingerprint }}
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{{ $cssFingerprinted2 := "body { background-color: orange; }" | resources.FromString "styles2.css" | minify | fingerprint }}
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@ -403,7 +412,14 @@ FIT: {{ $fit.Name }}|{{ $fit.RelPermalink }}|{{ $fit.Width }}
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CSS integrity Data first: {{ $cssFingerprinted1.Data.Integrity }} {{ $cssFingerprinted1.RelPermalink }}
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CSS integrity Data last: {{ $cssFingerprinted2.RelPermalink }} {{ $cssFingerprinted2.Data.Integrity }}
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`)
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{{ $rimg := resources.Get "%[1]s/sunset.jpg" }}
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{{ $rfit := $rimg.Fit "200x200" }}
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{{ $rfit2 := $rfit.Fit "100x200" }}
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{{ $rimg = $rimg | fingerprint }}
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SUNSET REMOTE: {{ $rimg.Name }}|{{ $rimg.RelPermalink }}|{{ $rimg.Width }}|{{ len $rimg.Content }}
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FIT REMOTE: {{ $rfit.Name }}|{{ $rfit.RelPermalink }}|{{ $rfit.Width }}
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`, ts.URL))
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fs := b.Fs.Source
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@ -424,12 +440,16 @@ CSS integrity Data last: {{ $cssFingerprinted2.RelPermalink }} {{ $cssFingerpri
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b.Build(BuildCfg{})
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b.AssertFileContent("public/index.html",
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`
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fmt.Sprintf(`
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SUNSET: images/sunset.jpg|/images/sunset.a9bf1d944e19c0f382e0d8f51de690f7d0bc8fa97390c4242a86c3e5c0737e71.jpg|900|90587
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FIT: images/sunset.jpg|/images/sunset_hu59e56ffff1bc1d8d122b1403d34e039f_90587_200x200_fit_q75_box.jpg|200
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CSS integrity Data first: sha256-od9YaHw8nMOL8mUy97Sy8sKwMV3N4hI3aVmZXATxH+8= /styles.min.a1df58687c3c9cc38bf26532f7b4b2f2c2b0315dcde212376959995c04f11fef.css
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CSS integrity Data last: /styles2.min.1cfc52986836405d37f9998a63fd6dd8608e8c410e5e3db1daaa30f78bc273ba.css sha256-HPxSmGg2QF03+ZmKY/1t2GCOjEEOXj2x2qow94vCc7o=
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`)
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SUNSET REMOTE: sunset_%[1]s.jpg|/sunset_%[1]s.a9bf1d944e19c0f382e0d8f51de690f7d0bc8fa97390c4242a86c3e5c0737e71.jpg|900|90587
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FIT REMOTE: sunset_%[1]s.jpg|/sunset_%[1]s_hu59e56ffff1bc1d8d122b1403d34e039f_0_200x200_fit_q75_box.jpg|200
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`, helpers.HashString(ts.URL+"/sunset.jpg", map[string]interface{}{})))
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b.AssertFileContent("public/styles.min.a1df58687c3c9cc38bf26532f7b4b2f2c2b0315dcde212376959995c04f11fef.css", "body{background-color:#add8e6}")
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b.AssertFileContent("public//styles2.min.1cfc52986836405d37f9998a63fd6dd8608e8c410e5e3db1daaa30f78bc273ba.css", "body{background-color:orange}")
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@ -537,6 +557,89 @@ func TestResourceChains(t *testing.T) {
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c := qt.New(t)
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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switch r.URL.Path {
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case "/css/styles1.css":
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w.Header().Set("Content-Type", "text/css")
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w.Write([]byte(`h1 {
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font-style: bold;
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}`))
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return
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case "/js/script1.js":
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w.Write([]byte(`var x; x = 5, document.getElementById("demo").innerHTML = x * 10`))
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return
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case "/mydata/json1.json":
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w.Write([]byte(`{
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"employees": [
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{
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"firstName": "John",
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"lastName": "Doe"
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},
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{
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"firstName": "Anna",
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"lastName": "Smith"
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},
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{
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"firstName": "Peter",
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"lastName": "Jones"
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}
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]
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}`))
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return
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case "/mydata/xml1.xml":
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w.Write([]byte(`
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<hello>
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<world>Hugo Rocks!</<world>
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</hello>`))
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return
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case "/mydata/svg1.svg":
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w.Header().Set("Content-Disposition", `attachment; filename="image.svg"`)
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w.Write([]byte(`
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<svg height="100" width="100">
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<path d="M1e2 1e2H3e2 2e2z"/>
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</svg>`))
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return
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case "/mydata/html1.html":
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w.Write([]byte(`
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<html>
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<a href=#>Cool</a>
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</html>`))
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return
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case "/authenticated/":
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if r.Header.Get("Authorization") == "Bearer abcd" {
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w.Write([]byte(`Welcome`))
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return
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}
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http.Error(w, "Forbidden", http.StatusForbidden)
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return
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case "/post":
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if r.Method == http.MethodPost {
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body, err := ioutil.ReadAll(r.Body)
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if err != nil {
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http.Error(w, "Internal server error", http.StatusInternalServerError)
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return
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}
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w.Write(body)
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return
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}
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http.Error(w, "Bad request", http.StatusBadRequest)
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return
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}
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http.Error(w, "Not found", http.StatusNotFound)
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return
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}))
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t.Cleanup(func() {
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ts.Close()
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})
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tests := []struct {
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name string
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shouldRun func() bool
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@ -578,25 +681,53 @@ T6: {{ $bundle1.Permalink }}
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[minify.tdewolff.html]
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keepWhitespace = false
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`)
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b.WithTemplates("home.html", `
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b.WithTemplates("home.html", fmt.Sprintf(`
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Min CSS: {{ ( resources.Get "css/styles1.css" | minify ).Content }}
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Min CSS Remote: {{ ( resources.Get "%[1]s/css/styles1.css" | minify ).Content }}
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Min JS: {{ ( resources.Get "js/script1.js" | resources.Minify ).Content | safeJS }}
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Min JS Remote: {{ ( resources.Get "%[1]s/js/script1.js" | minify ).Content }}
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Min JSON: {{ ( resources.Get "mydata/json1.json" | resources.Minify ).Content | safeHTML }}
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Min JSON Remote: {{ ( resources.Get "%[1]s/mydata/json1.json" | resources.Minify ).Content | safeHTML }}
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Min XML: {{ ( resources.Get "mydata/xml1.xml" | resources.Minify ).Content | safeHTML }}
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Min XML Remote: {{ ( resources.Get "%[1]s/mydata/xml1.xml" | resources.Minify ).Content | safeHTML }}
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Min SVG: {{ ( resources.Get "mydata/svg1.svg" | resources.Minify ).Content | safeHTML }}
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Min SVG Remote: {{ ( resources.Get "%[1]s/mydata/svg1.svg" | resources.Minify ).Content | safeHTML }}
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Min SVG again: {{ ( resources.Get "mydata/svg1.svg" | resources.Minify ).Content | safeHTML }}
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Min HTML: {{ ( resources.Get "mydata/html1.html" | resources.Minify ).Content | safeHTML }}
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`)
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Min HTML Remote: {{ ( resources.Get "%[1]s/mydata/html1.html" | resources.Minify ).Content | safeHTML }}
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`, ts.URL))
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}, func(b *sitesBuilder) {
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b.AssertFileContent("public/index.html", `Min CSS: h1{font-style:bold}`)
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b.AssertFileContent("public/index.html", `Min CSS Remote: h1{font-style:bold}`)
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b.AssertFileContent("public/index.html", `Min JS: var x;x=5,document.getElementById("demo").innerHTML=x*10`)
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b.AssertFileContent("public/index.html", `Min JS Remote: var x;x=5,document.getElementById("demo").innerHTML=x*10`)
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b.AssertFileContent("public/index.html", `Min JSON: {"employees":[{"firstName":"John","lastName":"Doe"},{"firstName":"Anna","lastName":"Smith"},{"firstName":"Peter","lastName":"Jones"}]}`)
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b.AssertFileContent("public/index.html", `Min JSON Remote: {"employees":[{"firstName":"John","lastName":"Doe"},{"firstName":"Anna","lastName":"Smith"},{"firstName":"Peter","lastName":"Jones"}]}`)
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b.AssertFileContent("public/index.html", `Min XML: <hello><world>Hugo Rocks!</<world></hello>`)
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b.AssertFileContent("public/index.html", `Min XML Remote: <hello><world>Hugo Rocks!</<world></hello>`)
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b.AssertFileContent("public/index.html", `Min SVG: <svg height="100" width="100"><path d="M1e2 1e2H3e2 2e2z"/></svg>`)
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b.AssertFileContent("public/index.html", `Min SVG Remote: <svg height="100" width="100"><path d="M1e2 1e2H3e2 2e2z"/></svg>`)
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b.AssertFileContent("public/index.html", `Min SVG again: <svg height="100" width="100"><path d="M1e2 1e2H3e2 2e2z"/></svg>`)
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b.AssertFileContent("public/index.html", `Min HTML: <html><a href=#>Cool</a></html>`)
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b.AssertFileContent("public/index.html", `Min HTML Remote: <html><a href=#>Cool</a></html>`)
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}},
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{"remote", func() bool { return true }, func(b *sitesBuilder) {
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b.WithTemplates("home.html", fmt.Sprintf(`
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{{$js := resources.Get "%[1]s/js/script1.js" }}
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Remote Filename: {{ $js.RelPermalink }}
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{{$svg := resources.Get "%[1]s/mydata/svg1.svg" }}
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Remote Content-Disposition: {{ $svg.RelPermalink }}
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{{$auth := resources.Get "%[1]s/authenticated/" (dict "headers" (dict "Authorization" "Bearer abcd")) }}
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Remote Authorization: {{ $auth.Content }}
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{{$post := resources.Get "%[1]s/post" (dict "method" "post" "body" "Request body") }}
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Remote POST: {{ $post.Content }}
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`, ts.URL))
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}, func(b *sitesBuilder) {
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b.AssertFileContent("public/index.html", `Remote Filename: /script1_`)
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b.AssertFileContent("public/index.html", `Remote Content-Disposition: /image_`)
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b.AssertFileContent("public/index.html", `Remote Authorization: Welcome`)
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b.AssertFileContent("public/index.html", `Remote POST: Request body`)
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}},
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{"concat", func() bool { return true }, func(b *sitesBuilder) {
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@ -16,28 +16,47 @@
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package create
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import (
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"bytes"
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"fmt"
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"io"
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"io/ioutil"
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"mime"
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"net/http"
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"net/url"
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"path"
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"path/filepath"
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"strings"
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"time"
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"github.com/gohugoio/hugo/hugofs/glob"
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"github.com/gohugoio/hugo/hugofs"
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"github.com/gohugoio/hugo/common/hugio"
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"github.com/gohugoio/hugo/common/maps"
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"github.com/gohugoio/hugo/common/types"
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"github.com/gohugoio/hugo/helpers"
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"github.com/gohugoio/hugo/resources"
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"github.com/gohugoio/hugo/resources/resource"
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"github.com/pkg/errors"
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)
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// Client contains methods to create Resource objects.
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// tasks to Resource objects.
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type Client struct {
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rs *resources.Spec
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rs *resources.Spec
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httpClient *http.Client
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}
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// New creates a new Client with the given specification.
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func New(rs *resources.Spec) *Client {
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return &Client{rs: rs}
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return &Client{
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rs: rs,
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httpClient: &http.Client{
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Timeout: 10 * time.Second,
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},
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}
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}
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// Get creates a new Resource by opening the given filename in the assets filesystem.
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@ -126,3 +145,161 @@ func (c *Client) FromString(targetPath, content string) (resource.Resource, erro
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})
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})
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}
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// FromRemote expects one or n-parts of a URL to a resource
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// If you provide multiple parts they will be joined together to the final URL.
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func (c *Client) FromRemote(uri string, options map[string]interface{}) (resource.Resource, error) {
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rURL, err := url.Parse(uri)
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if err != nil {
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return nil, errors.Wrapf(err, "failed to parse URL for resource %s", uri)
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}
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resourceID := helpers.HashString(uri, options)
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return c.rs.ResourceCache.GetOrCreate(resources.ResourceCacheKey(resourceID), func() (resource.Resource, error) {
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method, reqBody, err := getMethodAndBody(options)
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if err != nil {
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return nil, errors.Wrapf(err, "failed to get method or body for resource %s", uri)
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}
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req, err := http.NewRequest(method, uri, reqBody)
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if err != nil {
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return nil, errors.Wrapf(err, "failed to create request for resource %s", uri)
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}
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addDefaultHeaders(req)
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if _, ok := options["headers"]; ok {
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headers, err := maps.ToStringMapE(options["headers"])
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if err != nil {
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return nil, errors.Wrapf(err, "failed to parse request headers for resource %s", uri)
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}
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addUserProvidedHeaders(headers, req)
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}
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res, err := c.httpClient.Do(req)
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if err != nil {
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return nil, err
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}
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if res.StatusCode < 200 || res.StatusCode > 299 {
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return nil, errors.Errorf("failed to retrieve remote resource: %s", http.StatusText(res.StatusCode))
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}
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body, err := ioutil.ReadAll(res.Body)
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if err != nil {
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return nil, errors.Wrapf(err, "failed to read remote resource %s", uri)
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}
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filename := path.Base(rURL.Path)
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if _, params, _ := mime.ParseMediaType(res.Header.Get("Content-Disposition")); params != nil {
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if _, ok := params["filename"]; ok {
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filename = params["filename"]
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}
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}
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var contentType string
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if arr, _ := mime.ExtensionsByType(res.Header.Get("Content-Type")); len(arr) == 1 {
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contentType = arr[0]
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}
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// If content type was not determined by header, look for a file extention
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if contentType == "" {
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if ext := path.Ext(filename); ext != "" {
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contentType = ext
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}
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}
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// If content type was not determined by header or file extention, try using content itself
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if contentType == "" {
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if ct := http.DetectContentType(body); ct != "application/octet-stream" {
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if arr, _ := mime.ExtensionsByType(ct); arr != nil {
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contentType = arr[0]
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}
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}
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}
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resourceID = filename[:len(filename)-len(path.Ext(filename))] + "_" + resourceID + contentType
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return c.rs.New(
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resources.ResourceSourceDescriptor{
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Fs: c.rs.FileCaches.AssetsCache().Fs,
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LazyPublish: true,
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OpenReadSeekCloser: func() (hugio.ReadSeekCloser, error) {
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return hugio.NewReadSeekerNoOpCloser(bytes.NewReader(body)), nil
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},
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RelTargetFilename: filepath.Clean(resourceID),
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})
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})
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}
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|
||||
func addDefaultHeaders(req *http.Request, accepts ...string) {
|
||||
for _, accept := range accepts {
|
||||
if !hasHeaderValue(req.Header, "Accept", accept) {
|
||||
req.Header.Add("Accept", accept)
|
||||
}
|
||||
}
|
||||
if !hasHeaderKey(req.Header, "User-Agent") {
|
||||
req.Header.Add("User-Agent", "Hugo Static Site Generator")
|
||||
}
|
||||
}
|
||||
|
||||
func addUserProvidedHeaders(headers map[string]interface{}, req *http.Request) {
|
||||
if headers == nil {
|
||||
return
|
||||
}
|
||||
for key, val := range headers {
|
||||
vals := types.ToStringSlicePreserveString(val)
|
||||
for _, s := range vals {
|
||||
req.Header.Add(key, s)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func hasHeaderValue(m http.Header, key, value string) bool {
|
||||
var s []string
|
||||
var ok bool
|
||||
|
||||
if s, ok = m[key]; !ok {
|
||||
return false
|
||||
}
|
||||
|
||||
for _, v := range s {
|
||||
if v == value {
|
||||
return true
|
||||
}
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
func hasHeaderKey(m http.Header, key string) bool {
|
||||
_, ok := m[key]
|
||||
return ok
|
||||
}
|
||||
|
||||
func getMethodAndBody(options map[string]interface{}) (string, io.Reader, error) {
|
||||
if options == nil {
|
||||
return "GET", nil, nil
|
||||
}
|
||||
|
||||
if method, ok := options["method"].(string); ok {
|
||||
method = strings.ToUpper(method)
|
||||
switch method {
|
||||
case "GET", "DELETE", "HEAD", "OPTIONS":
|
||||
return method, nil, nil
|
||||
case "POST", "PUT", "PATCH":
|
||||
var body []byte
|
||||
if _, ok := options["body"]; ok {
|
||||
switch b := options["body"].(type) {
|
||||
case string:
|
||||
body = []byte(b)
|
||||
case []byte:
|
||||
body = b
|
||||
}
|
||||
}
|
||||
return method, bytes.NewBuffer(body), nil
|
||||
}
|
||||
|
||||
return "", nil, fmt.Errorf("invalid HTTP method %q", method)
|
||||
}
|
||||
|
||||
return "GET", nil, nil
|
||||
}
|
||||
|
|
|
@ -16,6 +16,7 @@ package resources
|
|||
|
||||
import (
|
||||
"fmt"
|
||||
"net/url"
|
||||
"path/filepath"
|
||||
"sync"
|
||||
|
||||
|
@ -107,14 +108,32 @@ func (ns *Namespace) getscssClientDartSass() (*dartsass.Client, error) {
|
|||
return ns.scssClientDartSass, err
|
||||
}
|
||||
|
||||
// Get locates the filename given in Hugo's assets filesystem
|
||||
// and creates a Resource object that can be used for further transformations.
|
||||
func (ns *Namespace) Get(filename interface{}) (resource.Resource, error) {
|
||||
filenamestr, err := cast.ToStringE(filename)
|
||||
// Get locates the filename given in Hugo's assets filesystem or downloads
|
||||
// a file from an URL and creates a Resource object that can be used for
|
||||
// further transformations.
|
||||
//
|
||||
// For URLs an additional argument with options can be provided.
|
||||
func (ns *Namespace) Get(args ...interface{}) (resource.Resource, error) {
|
||||
if len(args) != 1 && len(args) != 2 {
|
||||
return nil, errors.New("must provide a filename or URL")
|
||||
}
|
||||
|
||||
filenamestr, err := cast.ToStringE(args[0])
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if u, err := url.Parse(filenamestr); err == nil && u.Scheme != "" {
|
||||
if len(args) == 2 {
|
||||
options, err := maps.ToStringMapE(args[1])
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return ns.createClient.FromRemote(filenamestr, options)
|
||||
}
|
||||
return ns.createClient.FromRemote(filenamestr, nil)
|
||||
}
|
||||
|
||||
filenamestr = filepath.Clean(filenamestr)
|
||||
|
||||
return ns.createClient.Get(filenamestr)
|
||||
|
|
Loading…
Reference in a new issue