commit 6dbaf7f9de4a9d1f8c9a2b27a20c3e836e84e5c7 · nel.pet/core

+10 -5

appview/pages/markup/camo.go

···

       17
        
       	return fmt.Sprintf("%s/%s/%s", baseURL, signature, hexURL)

     

       18
        
       }

     

       19
        
       

     

       20
       -
       func (rctx *RenderContext) camoImageLinkTransformer(img *ast.Image) {

     

       21
        
       	// don't camo on dev

     

       22
        
       	if rctx.IsDev {

     

       23
       -
       		return

     

       24
        
       	}

     

       25
        
       

     

       26
       -
       	dst := string(img.Destination)

     

       27
       -
       

     

       28
        
       	if rctx.CamoUrl != "" && rctx.CamoSecret != "" {

     

       29
       -
       		img.Destination = []byte(generateCamoURL(rctx.CamoUrl, rctx.CamoSecret, dst))

     

       30
        
       	}

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       31
        
       }

···

       17
        
       	return fmt.Sprintf("%s/%s/%s", baseURL, signature, hexURL)

     

       18
        
       }

     

       19
        
       

     

       20
       +
       func (rctx *RenderContext) camoImageLinkTransformer(dst string) string {

     

       21
        
       	// don't camo on dev

     

       22
        
       	if rctx.IsDev {

     

       23
       +
       		return dst

     

       24
        
       	}

     

       25
        
       

     

       0
        
       
     

       0
        
       
     

       26
        
       	if rctx.CamoUrl != "" && rctx.CamoSecret != "" {

     

       27
       +
       		return generateCamoURL(rctx.CamoUrl, rctx.CamoSecret, dst)

     

       28
        
       	}

     

       29
       +
       

     

       30
       +
       	return dst

     

       31
       +
       }

     

       32
       +
       

     

       33
       +
       func (rctx *RenderContext) camoImageLinkAstTransformer(img *ast.Image) {

     

       34
       +
       	dst := string(img.Destination)

     

       35
       +
       	img.Destination = []byte(rctx.camoImageLinkTransformer(dst))

     

       36
        
       }

+89 -10

appview/pages/markup/markdown.go

···

       3
        
       

     

       4
        
       import (

     

       5
        
       	"bytes"

     

       0
        
       
     

       0
        
       
     

       6
        
       	"net/url"

     

       7
        
       	"path"

     

       0
        
       
     

       8
        
       

     

       9
        
       	"github.com/microcosm-cc/bluemonday"

     

       10
        
       	"github.com/yuin/goldmark"

     
···

       14
        
       	"github.com/yuin/goldmark/renderer/html"

     

       15
        
       	"github.com/yuin/goldmark/text"

     

       16
        
       	"github.com/yuin/goldmark/util"

     

       0
        
       
     

       17
        
       

     

       18
        
       	"tangled.sh/tangled.sh/core/appview/pages/repoinfo"

     

       19
        
       )

     
···

       61
        
       	if err := md.Convert([]byte(source), &buf); err != nil {

     

       62
        
       		return source

     

       63
        
       	}

     

       64
       -
       	return buf.String()

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       65
        
       }

     

       66
        
       

     

       67
        
       func (rctx *RenderContext) Sanitize(html string) string {

     
···

       101
        
       			case *ast.Link:

     

       102
        
       				a.rctx.relativeLinkTransformer(n)

     

       103
        
       			case *ast.Image:

     

       104
       -
       				a.rctx.imageFromKnotTransformer(n)

     

       105
       -
       				a.rctx.camoImageLinkTransformer(n)

     

       106
        
       			}

     

       107
        
       		case RendererTypeDefault:

     

       108
        
       			switch n := n.(type) {

     

       109
        
       			case *ast.Image:

     

       110
       -
       				a.rctx.imageFromKnotTransformer(n)

     

       111
       -
       				a.rctx.camoImageLinkTransformer(n)

     

       112
        
       			}

     

       113
        
       		}

     

       114
        
       

     
···

       130
        
       	link.Destination = []byte(newPath)

     

       131
        
       }

     

       132
        
       

     

       133
       -
       func (rctx *RenderContext) imageFromKnotTransformer(img *ast.Image) {

     

       134
       -
       	dst := string(img.Destination)

     

       135
       -
       

     

       136
        
       	if isAbsoluteUrl(dst) {

     

       137
       -
       		return

     

       138
        
       	}

     

       139
        
       

     

       140
        
       	scheme := "https"

     
···

       155
        
       			actualPath),

     

       156
        
       	}

     

       157
        
       	newPath := parsedURL.String()

     

       158
       -
       	img.Destination = []byte(newPath)

     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       0
        
       
     

       159
        
       }

     

       160
        
       

     

       161
        
       // actualPath decides when to join the file path with the

···

       3
        
       

     

       4
        
       import (

     

       5
        
       	"bytes"

     

       6
       +
       	"fmt"

     

       7
       +
       	"io"

     

       8
        
       	"net/url"

     

       9
        
       	"path"

     

       10
       +
       	"strings"

     

       11
        
       

     

       12
        
       	"github.com/microcosm-cc/bluemonday"

     

       13
        
       	"github.com/yuin/goldmark"

     
···

       17
        
       	"github.com/yuin/goldmark/renderer/html"

     

       18
        
       	"github.com/yuin/goldmark/text"

     

       19
        
       	"github.com/yuin/goldmark/util"

     

       20
       +
       	htmlparse "golang.org/x/net/html"

     

       21
        
       

     

       22
        
       	"tangled.sh/tangled.sh/core/appview/pages/repoinfo"

     

       23
        
       )

     
···

       65
        
       	if err := md.Convert([]byte(source), &buf); err != nil {

     

       66
        
       		return source

     

       67
        
       	}

     

       68
       +
       

     

       69
       +
       	var processed strings.Builder

     

       70
       +
       	if err := postProcess(rctx, strings.NewReader(buf.String()), &processed); err != nil {

     

       71
       +
       		return source

     

       72
       +
       	}

     

       73
       +
       

     

       74
       +
       	return processed.String()

     

       75
       +
       }

     

       76
       +
       

     

       77
       +
       func postProcess(ctx *RenderContext, input io.Reader, output io.Writer) error {

     

       78
       +
       	node, err := htmlparse.Parse(io.MultiReader(

     

       79
       +
       		strings.NewReader("<html><body>"),

     

       80
       +
       		input,

     

       81
       +
       		strings.NewReader("</body></html>"),

     

       82
       +
       	))

     

       83
       +
       	if err != nil {

     

       84
       +
       		return fmt.Errorf("failed to parse html: %w", err)

     

       85
       +
       	}

     

       86
       +
       

     

       87
       +
       	if node.Type == htmlparse.DocumentNode {

     

       88
       +
       		node = node.FirstChild

     

       89
       +
       	}

     

       90
       +
       

     

       91
       +
       	visitNode(ctx, node)

     

       92
       +
       

     

       93
       +
       	newNodes := make([]*htmlparse.Node, 0, 5)

     

       94
       +
       

     

       95
       +
       	if node.Data == "html" {

     

       96
       +
       		node = node.FirstChild

     

       97
       +
       		for node != nil && node.Data != "body" {

     

       98
       +
       			node = node.NextSibling

     

       99
       +
       		}

     

       100
       +
       	}

     

       101
       +
       	if node != nil {

     

       102
       +
       		if node.Data == "body" {

     

       103
       +
       			child := node.FirstChild

     

       104
       +
       			for child != nil {

     

       105
       +
       				newNodes = append(newNodes, child)

     

       106
       +
       				child = child.NextSibling

     

       107
       +
       			}

     

       108
       +
       		} else {

     

       109
       +
       			newNodes = append(newNodes, node)

     

       110
       +
       		}

     

       111
       +
       	}

     

       112
       +
       

     

       113
       +
       	for _, node := range newNodes {

     

       114
       +
       		if err := htmlparse.Render(output, node); err != nil {

     

       115
       +
       			return fmt.Errorf("failed to render processed html: %w", err)

     

       116
       +
       		}

     

       117
       +
       	}

     

       118
       +
       

     

       119
       +
       	return nil

     

       120
       +
       }

     

       121
       +
       

     

       122
       +
       func visitNode(ctx *RenderContext, node *htmlparse.Node) {

     

       123
       +
       	switch node.Type {

     

       124
       +
       	case htmlparse.ElementNode:

     

       125
       +
       		if node.Data == "img" {

     

       126
       +
       			for i, attr := range node.Attr {

     

       127
       +
       				if attr.Key != "src" {

     

       128
       +
       					continue

     

       129
       +
       				}

     

       130
       +
       				attr.Val = ctx.imageFromKnotTransformer(attr.Val)

     

       131
       +
       				attr.Val = ctx.camoImageLinkTransformer(attr.Val)

     

       132
       +
       				node.Attr[i] = attr

     

       133
       +
       			}

     

       134
       +
       		}

     

       135
       +
       

     

       136
       +
       		for n := node.FirstChild; n != nil; n = n.NextSibling {

     

       137
       +
       			visitNode(ctx, n)

     

       138
       +
       		}

     

       139
       +
       	default:

     

       140
       +
       	}

     

       141
        
       }

     

       142
        
       

     

       143
        
       func (rctx *RenderContext) Sanitize(html string) string {

     
···

       177
        
       			case *ast.Link:

     

       178
        
       				a.rctx.relativeLinkTransformer(n)

     

       179
        
       			case *ast.Image:

     

       180
       +
       				a.rctx.imageFromKnotAstTransformer(n)

     

       181
       +
       				a.rctx.camoImageLinkAstTransformer(n)

     

       182
        
       			}

     

       183
        
       		case RendererTypeDefault:

     

       184
        
       			switch n := n.(type) {

     

       185
        
       			case *ast.Image:

     

       186
       +
       				a.rctx.imageFromKnotAstTransformer(n)

     

       187
       +
       				a.rctx.camoImageLinkAstTransformer(n)

     

       188
        
       			}

     

       189
        
       		}

     

       190
        
       

     
···

       206
        
       	link.Destination = []byte(newPath)

     

       207
        
       }

     

       208
        
       

     

       209
       +
       func (rctx *RenderContext) imageFromKnotTransformer(dst string) string {

     

       0
        
       
     

       0
        
       
     

       210
        
       	if isAbsoluteUrl(dst) {

     

       211
       +
       		return dst

     

       212
        
       	}

     

       213
        
       

     

       214
        
       	scheme := "https"

     
···

       229
        
       			actualPath),

     

       230
        
       	}

     

       231
        
       	newPath := parsedURL.String()

     

       232
       +
       	return newPath

     

       233
       +
       }

     

       234
       +
       

     

       235
       +
       func (rctx *RenderContext) imageFromKnotAstTransformer(img *ast.Image) {

     

       236
       +
       	dst := string(img.Destination)

     

       237
       +
       	img.Destination = []byte(rctx.imageFromKnotTransformer(dst))

     

       238
        
       }

     

       239
        
       

     

       240
        
       // actualPath decides when to join the file path with the