ec1f89217a
Full Mattermost server source with integrated Community Enterprise features. Includes vendor directory for offline/air-gapped builds. Structure: - enterprise-impl/: Enterprise feature implementations - enterprise-community/: Init files that register implementations - enterprise/: Bridge imports (community_imports.go) - vendor/: All dependencies for offline builds Build (online): go build ./cmd/mattermost Build (offline/air-gapped): go build -mod=vendor ./cmd/mattermost 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
37 lines
851 B
Go
37 lines
851 B
Go
package issvg
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import (
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"regexp"
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"unicode/utf8"
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)
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var (
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htmlCommentRegex = regexp.MustCompile("(?i)<!--([\\s\\S]*?)-->")
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svgRegex = regexp.MustCompile(`(?i)^\s*(?:<\?xml[^>]*>\s*)?(?:<!doctype svg[^>]*>\s*)?<svg[^>]*>[^*]*<\/svg>\s*$`)
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)
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// isBinary checks if the given buffer is a binary file.
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func isBinary(buf []byte) bool {
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if len(buf) < 24 {
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return false
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}
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for i := 0; i < 24; i++ {
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charCode, _ := utf8.DecodeRuneInString(string(buf[i]))
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if charCode == 65533 || charCode <= 8 {
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return true
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}
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}
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return false
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}
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// Is returns true if the given buffer is a valid SVG image.
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func Is(buf []byte) bool {
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return !isBinary(buf) && svgRegex.Match(htmlCommentRegex.ReplaceAll(buf, []byte{}))
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}
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// IsSVG returns true if the given buffer is a valid SVG image.
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// Alias to: Is()
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func IsSVG(buf []byte) bool {
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return Is(buf)
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}
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