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Merge branch 'main' into help-center

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This commit is contained in:
Abhinav Raut
2026-08-13 01:30:39 +05:30
parent 6083d2f098 b138b22516
commit 95346c7514
26 changed files with 854 additions and 140 deletions
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internal/stringutil/stringutil.go
+16 -20
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@@ -5,7 +5,7 @@ import (
"crypto/rand"
"fmt"
"net/mail"
"path/filepath"
"path"
"regexp"
"strings"
"time"
@@ -23,13 +23,13 @@ const (
)
var (
regexpNonAlNum = regexp.MustCompile(`[^a-zA-Z0-9\-_\.]+`)
regexpSpaces = regexp.MustCompile(`[\s]+`)
uuidV4Regex = regexp.MustCompile(`[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-4[a-fA-F0-9]{3}-[89abAB][a-fA-F0-9]{3}-[a-fA-F0-9]{12}`)
regexpRefNumber = regexp.MustCompile(`#(\d+)`)
regexpSlugChars = regexp.MustCompile(`[^a-z0-9\-_]+`)
regexpHyphens = regexp.MustCompile(`-+`)
regexpConvUUID = regexp.MustCompile(`(?i)\+conv-[a-f0-9]{8}-[a-f0-9]{4}-4[a-f0-9]{3}-[a-f0-9]{4}-[a-f0-9]{12}@`)
regexpUnsafeFileChars = regexp.MustCompile(`[\x00-\x1f\x7f\x{80}-\x{9f}]+`)
regexpSpaces = regexp.MustCompile(`[\s]+`)
uuidV4Regex = regexp.MustCompile(`[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-4[a-fA-F0-9]{3}-[89abAB][a-fA-F0-9]{3}-[a-fA-F0-9]{12}`)
regexpRefNumber = regexp.MustCompile(`#(\d+)`)
regexpSlugChars = regexp.MustCompile(`[^a-z0-9\-_]+`)
regexpHyphens = regexp.MustCompile(`-+`)
regexpConvUUID = regexp.MustCompile(`(?i)\+conv-[a-f0-9]{8}-[a-f0-9]{4}-4[a-f0-9]{3}-[a-f0-9]{4}-[a-f0-9]{12}@`)
// markdownRenderer escapes raw HTML in the input; single newlines render as <br>.
markdownRenderer = goldmark.New(
@@ -81,20 +81,16 @@ func Markdown2HTML(md string) string {
return b.String()
}
// SanitizeFilename sanitizes the provided filename.
// SanitizeFilename removes control characters and path separators, preserving Unicode.
func SanitizeFilename(fName string) string {
// Trim whitespace.
name := strings.TrimSpace(fName)
// Replace whitespace and "/" with "-"
name := strings.TrimSpace(SanitizeUTF8(fName))
name = path.Base(strings.ReplaceAll(name, `\`, "/"))
name = regexpSpaces.ReplaceAllString(name, "-")
// Remove or replace any non-alphanumeric characters
name = regexpNonAlNum.ReplaceAllString(name, "")
// Convert to lowercase
name = strings.ToLower(name)
return filepath.Base(name)
name = regexpUnsafeFileChars.ReplaceAllString(name, "")
if name == "" || name == "." || name == ".." || name == "/" {
return "attachment"
}
return name
}
// RandomAlphanumeric generates a random alphanumeric string of length n.