How to use Html method of html Package

Best K6 code snippet using html.Html

html.go

Source:html.go Github

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1// Copyright 2011 The Go Authors. All rights reserved.2// Use of this source code is governed by a BSD-style3// license that can be found in the LICENSE file.4package template5import (6 "bytes"7 "fmt"8 "strings"9 "unicode/utf8"10)11// htmlNospaceEscaper escapes for inclusion in unquoted attribute values.12func htmlNospaceEscaper(args ...interface{}) string {13 s, t := stringify(args...)14 if t == contentTypeHTML {15 return htmlReplacer(stripTags(s), htmlNospaceNormReplacementTable, false)16 }17 return htmlReplacer(s, htmlNospaceReplacementTable, false)18}19// attrEscaper escapes for inclusion in quoted attribute values.20func attrEscaper(args ...interface{}) string {21 s, t := stringify(args...)22 if t == contentTypeHTML {23 return htmlReplacer(stripTags(s), htmlNormReplacementTable, true)24 }25 return htmlReplacer(s, htmlReplacementTable, true)26}27// rcdataEscaper escapes for inclusion in an RCDATA element body.28func rcdataEscaper(args ...interface{}) string {29 s, t := stringify(args...)30 if t == contentTypeHTML {31 return htmlReplacer(s, htmlNormReplacementTable, true)32 }33 return htmlReplacer(s, htmlReplacementTable, true)34}35// htmlEscaper escapes for inclusion in HTML text.36func htmlEscaper(args ...interface{}) string {37 s, t := stringify(args...)38 if t == contentTypeHTML {39 return s40 }41 return htmlReplacer(s, htmlReplacementTable, true)42}43// htmlReplacementTable contains the runes that need to be escaped44// inside a quoted attribute value or in a text node.45var htmlReplacementTable = []string{46 // http://www.w3.org/TR/html5/syntax.html#attribute-value-(unquoted)-state47 // U+0000 NULL Parse error. Append a U+FFFD REPLACEMENT48 // CHARACTER character to the current attribute's value.49 // "50 // and similarly51 // http://www.w3.org/TR/html5/syntax.html#before-attribute-value-state52 0: "\uFFFD",53 '"': "&#34;",54 '&': "&amp;",55 '\'': "&#39;",56 '+': "&#43;",57 '<': "&lt;",58 '>': "&gt;",59}60// htmlNormReplacementTable is like htmlReplacementTable but without '&' to61// avoid over-encoding existing entities.62var htmlNormReplacementTable = []string{63 0: "\uFFFD",64 '"': "&#34;",65 '\'': "&#39;",66 '+': "&#43;",67 '<': "&lt;",68 '>': "&gt;",69}70// htmlNospaceReplacementTable contains the runes that need to be escaped71// inside an unquoted attribute value.72// The set of runes escaped is the union of the HTML specials and73// those determined by running the JS below in browsers:74// <div id=d></div>75// <script>(function () {76// var a = [], d = document.getElementById("d"), i, c, s;77// for (i = 0; i < 0x10000; ++i) {78// c = String.fromCharCode(i);79// d.innerHTML = "<span title=" + c + "lt" + c + "></span>"80// s = d.getElementsByTagName("SPAN")[0];81// if (!s || s.title !== c + "lt" + c) { a.push(i.toString(16)); }82// }83// document.write(a.join(", "));84// })()</script>85var htmlNospaceReplacementTable = []string{86 0: "&#xfffd;",87 '\t': "&#9;",88 '\n': "&#10;",89 '\v': "&#11;",90 '\f': "&#12;",91 '\r': "&#13;",92 ' ': "&#32;",93 '"': "&#34;",94 '&': "&amp;",95 '\'': "&#39;",96 '+': "&#43;",97 '<': "&lt;",98 '=': "&#61;",99 '>': "&gt;",100 // A parse error in the attribute value (unquoted) and101 // before attribute value states.102 // Treated as a quoting character by IE.103 '`': "&#96;",104}105// htmlNospaceNormReplacementTable is like htmlNospaceReplacementTable but106// without '&' to avoid over-encoding existing entities.107var htmlNospaceNormReplacementTable = []string{108 0: "&#xfffd;",109 '\t': "&#9;",110 '\n': "&#10;",111 '\v': "&#11;",112 '\f': "&#12;",113 '\r': "&#13;",114 ' ': "&#32;",115 '"': "&#34;",116 '\'': "&#39;",117 '+': "&#43;",118 '<': "&lt;",119 '=': "&#61;",120 '>': "&gt;",121 // A parse error in the attribute value (unquoted) and122 // before attribute value states.123 // Treated as a quoting character by IE.124 '`': "&#96;",125}126// htmlReplacer returns s with runes replaced according to replacementTable127// and when badRunes is true, certain bad runes are allowed through unescaped.128func htmlReplacer(s string, replacementTable []string, badRunes bool) string {129 written, b := 0, new(bytes.Buffer)130 r, w := rune(0), 0131 for i := 0; i < len(s); i += w {132 // Cannot use 'for range s' because we need to preserve the width133 // of the runes in the input. If we see a decoding error, the input134 // width will not be utf8.Runelen(r) and we will overrun the buffer.135 r, w = utf8.DecodeRuneInString(s[i:])136 if int(r) < len(replacementTable) {137 if repl := replacementTable[r]; len(repl) != 0 {138 b.WriteString(s[written:i])139 b.WriteString(repl)140 written = i + w141 }142 } else if badRunes {143 // No-op.144 // IE does not allow these ranges in unquoted attrs.145 } else if 0xfdd0 <= r && r <= 0xfdef || 0xfff0 <= r && r <= 0xffff {146 fmt.Fprintf(b, "%s&#x%x;", s[written:i], r)147 written = i + w148 }149 }150 if written == 0 {151 return s152 }153 b.WriteString(s[written:])154 return b.String()155}156// stripTags takes a snippet of HTML and returns only the text content.157// For example, `<b>&iexcl;Hi!</b> <script>...</script>` -> `&iexcl;Hi! `.158func stripTags(html string) string {159 var b bytes.Buffer160 s, c, i, allText := []byte(html), context{}, 0, true161 // Using the transition funcs helps us avoid mangling162 // `<div title="1>2">` or `I <3 Ponies!`.163 for i != len(s) {164 if c.delim == delimNone {165 st := c.state166 // Use RCDATA instead of parsing into JS or CSS styles.167 if c.element != elementNone && !isInTag(st) {168 st = stateRCDATA169 }170 d, nread := transitionFunc[st](c, s[i:])171 i1 := i + nread172 if c.state == stateText || c.state == stateRCDATA {173 // Emit text up to the start of the tag or comment.174 j := i1175 if d.state != c.state {176 for j1 := j - 1; j1 >= i; j1-- {177 if s[j1] == '<' {178 j = j1179 break180 }181 }182 }183 b.Write(s[i:j])184 } else {185 allText = false186 }187 c, i = d, i1188 continue189 }190 i1 := i + bytes.IndexAny(s[i:], delimEnds[c.delim])191 if i1 < i {192 break193 }194 if c.delim != delimSpaceOrTagEnd {195 // Consume any quote.196 i1++197 }198 c, i = context{state: stateTag, element: c.element}, i1199 }200 if allText {201 return html202 } else if c.state == stateText || c.state == stateRCDATA {203 b.Write(s[i:])204 }205 return b.String()206}207// htmlNameFilter accepts valid parts of an HTML attribute or tag name or208// a known-safe HTML attribute.209func htmlNameFilter(args ...interface{}) string {210 s, t := stringify(args...)211 if t == contentTypeHTMLAttr {212 return s213 }214 if len(s) == 0 {215 // Avoid violation of structure preservation.216 // <input checked {{.K}}={{.V}}>.217 // Without this, if .K is empty then .V is the value of218 // checked, but otherwise .V is the value of the attribute219 // named .K.220 return filterFailsafe221 }222 s = strings.ToLower(s)223 if t := attrType(s); t != contentTypePlain {224 // TODO: Split attr and element name part filters so we can whitelist225 // attributes.226 return filterFailsafe227 }228 for _, r := range s {229 switch {230 case '0' <= r && r <= '9':231 case 'a' <= r && r <= 'z':232 default:233 return filterFailsafe234 }235 }236 return s237}238// commentEscaper returns the empty string regardless of input.239// Comment content does not correspond to any parsed structure or240// human-readable content, so the simplest and most secure policy is to drop241// content interpolated into comments.242// This approach is equally valid whether or not static comment content is243// removed from the template.244func commentEscaper(args ...interface{}) string {245 return ""246}...

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doctype.go

Source:doctype.go Github

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1// Copyright 2011 The Go Authors. All rights reserved.2// Use of this source code is governed by a BSD-style3// license that can be found in the LICENSE file.4package html5import (6 "strings"7)8// parseDoctype parses the data from a DoctypeToken into a name,9// public identifier, and system identifier. It returns a Node whose Type10// is DoctypeNode, whose Data is the name, and which has attributes11// named "system" and "public" for the two identifiers if they were present.12// quirks is whether the document should be parsed in "quirks mode".13func parseDoctype(s string) (n *Node, quirks bool) {14 n = &Node{Type: DoctypeNode}15 // Find the name.16 space := strings.IndexAny(s, whitespace)17 if space == -1 {18 space = len(s)19 }20 n.Data = s[:space]21 // The comparison to "html" is case-sensitive.22 if n.Data != "html" {23 quirks = true24 }25 n.Data = strings.ToLower(n.Data)26 s = strings.TrimLeft(s[space:], whitespace)27 if len(s) < 6 {28 // It can't start with "PUBLIC" or "SYSTEM".29 // Ignore the rest of the string.30 return n, quirks || s != ""31 }32 key := strings.ToLower(s[:6])33 s = s[6:]34 for key == "public" || key == "system" {35 s = strings.TrimLeft(s, whitespace)36 if s == "" {37 break38 }39 quote := s[0]40 if quote != '"' && quote != '\'' {41 break42 }43 s = s[1:]44 q := strings.IndexRune(s, rune(quote))45 var id string46 if q == -1 {47 id = s48 s = ""49 } else {50 id = s[:q]51 s = s[q+1:]52 }53 n.Attr = append(n.Attr, Attribute{Key: key, Val: id})54 if key == "public" {55 key = "system"56 } else {57 key = ""58 }59 }60 if key != "" || s != "" {61 quirks = true62 } else if len(n.Attr) > 0 {63 if n.Attr[0].Key == "public" {64 public := strings.ToLower(n.Attr[0].Val)65 switch public {66 case "-//w3o//dtd w3 html strict 3.0//en//", "-/w3d/dtd html 4.0 transitional/en", "html":67 quirks = true68 default:69 for _, q := range quirkyIDs {70 if strings.HasPrefix(public, q) {71 quirks = true72 break73 }74 }75 }76 // The following two public IDs only cause quirks mode if there is no system ID.77 if len(n.Attr) == 1 && (strings.HasPrefix(public, "-//w3c//dtd html 4.01 frameset//") ||78 strings.HasPrefix(public, "-//w3c//dtd html 4.01 transitional//")) {79 quirks = true80 }81 }82 if lastAttr := n.Attr[len(n.Attr)-1]; lastAttr.Key == "system" &&83 strings.ToLower(lastAttr.Val) == "http://www.ibm.com/data/dtd/v11/ibmxhtml1-transitional.dtd" {84 quirks = true85 }86 }87 return n, quirks88}89// quirkyIDs is a list of public doctype identifiers that cause a document90// to be interpreted in quirks mode. The identifiers should be in lower case.91var quirkyIDs = []string{92 "+//silmaril//dtd html pro v0r11 19970101//",93 "-//advasoft ltd//dtd html 3.0 aswedit + extensions//",94 "-//as//dtd html 3.0 aswedit + extensions//",95 "-//ietf//dtd html 2.0 level 1//",96 "-//ietf//dtd html 2.0 level 2//",97 "-//ietf//dtd html 2.0 strict level 1//",98 "-//ietf//dtd html 2.0 strict level 2//",99 "-//ietf//dtd html 2.0 strict//",100 "-//ietf//dtd html 2.0//",101 "-//ietf//dtd html 2.1e//",102 "-//ietf//dtd html 3.0//",103 "-//ietf//dtd html 3.2 final//",104 "-//ietf//dtd html 3.2//",105 "-//ietf//dtd html 3//",106 "-//ietf//dtd html level 0//",107 "-//ietf//dtd html level 1//",108 "-//ietf//dtd html level 2//",109 "-//ietf//dtd html level 3//",110 "-//ietf//dtd html strict level 0//",111 "-//ietf//dtd html strict level 1//",112 "-//ietf//dtd html strict level 2//",113 "-//ietf//dtd html strict level 3//",114 "-//ietf//dtd html strict//",115 "-//ietf//dtd html//",116 "-//metrius//dtd metrius presentational//",117 "-//microsoft//dtd internet explorer 2.0 html strict//",118 "-//microsoft//dtd internet explorer 2.0 html//",119 "-//microsoft//dtd internet explorer 2.0 tables//",120 "-//microsoft//dtd internet explorer 3.0 html strict//",121 "-//microsoft//dtd internet explorer 3.0 html//",122 "-//microsoft//dtd internet explorer 3.0 tables//",123 "-//netscape comm. corp.//dtd html//",124 "-//netscape comm. corp.//dtd strict html//",125 "-//o'reilly and associates//dtd html 2.0//",126 "-//o'reilly and associates//dtd html extended 1.0//",127 "-//o'reilly and associates//dtd html extended relaxed 1.0//",128 "-//softquad software//dtd hotmetal pro 6.0::19990601::extensions to html 4.0//",129 "-//softquad//dtd hotmetal pro 4.0::19971010::extensions to html 4.0//",130 "-//spyglass//dtd html 2.0 extended//",131 "-//sq//dtd html 2.0 hotmetal + extensions//",132 "-//sun microsystems corp.//dtd hotjava html//",133 "-//sun microsystems corp.//dtd hotjava strict html//",134 "-//w3c//dtd html 3 1995-03-24//",135 "-//w3c//dtd html 3.2 draft//",136 "-//w3c//dtd html 3.2 final//",137 "-//w3c//dtd html 3.2//",138 "-//w3c//dtd html 3.2s draft//",139 "-//w3c//dtd html 4.0 frameset//",140 "-//w3c//dtd html 4.0 transitional//",141 "-//w3c//dtd html experimental 19960712//",142 "-//w3c//dtd html experimental 970421//",143 "-//w3c//dtd w3 html//",144 "-//w3o//dtd w3 html 3.0//",145 "-//webtechs//dtd mozilla html 2.0//",146 "-//webtechs//dtd mozilla html//",147}...

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Html

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1import (2func main() {3 fmt.Println(html.EscapeString("This is <b>HTML</b>"))4}5import (6func main() {7 fmt.Println(html.UnescapeString("This is &lt;b&gt;HTML&lt;/b&gt;"))8}9import (10func main() {11}12import (13func main() {14 fmt.Println(url.QueryUnescape("https%3A%2F%2Fwww.google.com%2F"))15}16import (17func main() {18 if err != nil {19 fmt.Println(err)20 }21 fmt.Println(u)22}23import (24func main() {25 if err != nil {26 fmt.Println(err)27 }28 fmt.Println(u)29}30import (31func main() {32 if err != nil {33 fmt.Println(err)34 }35 fmt.Println(u)36}

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Html

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1import (2func main() {3 fmt.Println(html.EscapeString("This is <b>HTML</b>"))4}5import (6func main() {7 fmt.Println(html.UnescapeString("This is <b>HTML</b>"))8}9import (10func main() {11 fmt.Println(url.QueryEscape("This is <b>HTML</b>"))12}13import (14func main() {15 fmt.Println(url.QueryUnescape("This+is+%3Cb%3EHTML%3C%2Fb%3E"))16}17import (18func main() {19 if err != nil {20 panic(err)21 }22 fmt.Println(u.Scheme)23 fmt.Println(u.Host)24 fmt.Println(u.Path)25 fmt.Println(u.RawQuery)26 fmt.Println(u.Fragment)27 m, _ := url.ParseQuery(u.RawQuery)28 fmt.Println(m)29 fmt.Println(m["q"])30}

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Html

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1import (2func main() {3 fmt.Println(html.EscapeString("This is <b>HTML</b>"))4}5import (6func main() {7 fmt.Println(html.EscapeString("This is <b>HTML</b>"))8}9import (10func main() {11 fmt.Println(html.UnescapeString("This is <b>HTML</b>"))12}13import (14func main() {15 fmt.Println(html.QueryEscape("This is <b>HTML</b>"))16}17import (18func main() {19 fmt.Println(html.QueryUnescape("This+is+%3Cb%3EHTML%3C%2Fb%3E"))20}21import (22func main() {23 tmpl, err := template.New("test").Parse("{{.}}")24 if err != nil { panic(err) }25 err = tmpl.Execute(os.Stdout, "<script>alert('you have been pwned')</script>")26 if err != nil { panic(err) }27}28<script>alert('you have been pwned')</script>29import (30func main() {31 tmpl, err := template.New("test").Parse("{{.}}")32 if err != nil { panic(err) }

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Html

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1import (2func main() {3 fmt.Println(html.EscapeString("Hello, world!"))4 fmt.Println(html.UnescapeString("Hello, world!"))5}6import (7func main() {8 tmpl := template.Must(template.New("test").Parse("{{.Name}}"))9 tmpl.Execute(os.Stdout, template.HTML("<script>alert('you have been pwned')</script>"))10}11<script>alert('you have been pwned')</script>12import (13func main() {14 tmpl := template.Must(template.New("test").Parse("{{.Name}}"))15 tmpl.Execute(os.Stdout, template.JS("<script>alert('you have been pwned')</script>"))16}17<script>alert('you have been pwned')</script>18import (19func main() {20 tmpl := template.Must(template.New("test").Parse("{{.Name}}"))21 tmpl.Execute(os.Stdout, template.URL("<script>alert('you have been pwned')</script>"))22}23<script>alert('you have been pwned')</script>24import (25func main() {26 tmpl := template.Must(template.New("test").Parse("{{.Name}}"))27 tmpl.Execute(os.Stdout, template.CSS("<script>alert('you have been pwned')</script>"))28}29<script>alert('you have been pwned')</script>30import (

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Html

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1import (2func main() {3 fmt.Println(html.EscapeString("This is <b>HTML</b>"))4}5import (6func main() {7 fmt.Println(template.HTMLEscapeString("This is <b>HTML</b>"))8}

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Html

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1import (2func main() {3 fmt.Println(html.EscapeString("Hello, world!"))4}5import (6func main() {7 fmt.Println(html.UnescapeString("Hello, world!"))8}9import (10func main() {11 fmt.Println(html.QueryEscape("Hello, world!"))12}13import (14func main() {15 fmt.Println(html.QueryUnescape("Hello%2C+world%21"))16}17import (18func main() {19 fmt.Println(html.UnescapeString("Hello, world!"))20}21import (22func main() {23 fmt.Println(html.EscapeString("Hello, world!"))24}25import (26func main() {27 fmt.Println(html.UnescapeString("Hello, world!"))28}29import (30func main() {31 fmt.Println(html.QueryEscape("Hello, world!"))32}33import (34func main() {

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Html

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1import (2func main() {3 fmt.Println(html.EscapeString("This is <b>HTML</b>"))4}5import (6func main() {7 fmt.Println(html.UnescapeString("This is HTML"))8}9import (10func main() {11 t, err := template.ParseFiles("1.html")12 if err != nil {13 fmt.Println(err)14 }15 t.ExecuteTemplate(os.Stdout, "1.html", nil)16}17import (18func main() {19 t, err := template.ParseFiles("1.html")20 if err != nil {21 fmt.Println(err)22 }23 t.ExecuteTemplate(os.Stdout, "1.html", nil)24}25import (26func main() {27 t, err := template.ParseFiles("1.html")28 if err != nil {29 fmt.Println(err)30 }31 t.ExecuteTemplate(os.Stdout, "1.html", nil)32}33import (34func main() {35 t, err := template.ParseFiles("1.html")36 if err != nil {37 fmt.Println(err)38 }39 t.ExecuteTemplate(os.Stdout, "1.html", nil)40}

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Html

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1import (2func main() {3fmt.Println(html.EscapeString("This is a <test>"))4}5import (6func main() {7fmt.Println(html.UnescapeString("This is a <test>"))8}9import (10func main() {11fmt.Println(html.QueryUnescape("This is a <test>"))12}13import (14func main() {15fmt.Println(html.QueryEscape("This is a <test>"))16}17import (18func main() {19fmt.Println(html.UnescapeString("This is a <test>"))20}21import (22func main() {23fmt.Println(html.EscapeString("This is a <test>"))24}25import (26func main() {27fmt.Println(html.EscapeString("This is a <test>"))28}29import (30func main() {31fmt.Println(html.UnescapeString("This is a <test>"))32}33import (34func main() {35fmt.Println(html.Escape("This is a <test>"))36}

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