81 lines
2.0 KiB
Go
81 lines
2.0 KiB
Go
package detect
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// Location represents a location in a file
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type Location struct {
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startLine int
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endLine int
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startColumn int
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endColumn int
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startLineIndex int
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endLineIndex int
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}
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func location(newlineIndices [][]int, raw string, matchIndex []int) Location {
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var (
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prevNewLine int
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location Location
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lineSet bool
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_lineNum int
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)
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start := matchIndex[0]
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end := matchIndex[1]
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// default startLineIndex to 0
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location.startLineIndex = 0
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// Fixes: https://github.com/zricethezav/gitleaks/issues/1037
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// When a fragment does NOT have any newlines, a default "newline"
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// will be counted to make the subsequent location calculation logic work
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// for fragments will no newlines.
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if len(newlineIndices) == 0 {
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newlineIndices = [][]int{
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{len(raw), len(raw) + 1},
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}
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}
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for lineNum, pair := range newlineIndices {
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_lineNum = lineNum
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newLineByteIndex := pair[0]
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if prevNewLine <= start && start < newLineByteIndex {
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lineSet = true
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location.startLine = lineNum
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location.endLine = lineNum
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location.startColumn = (start - prevNewLine) + 1 // +1 because counting starts at 1
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location.startLineIndex = prevNewLine
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location.endLineIndex = newLineByteIndex
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}
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if prevNewLine < end && end <= newLineByteIndex {
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location.endLine = lineNum
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location.endColumn = (end - prevNewLine)
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location.endLineIndex = newLineByteIndex
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}
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prevNewLine = pair[0]
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}
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if !lineSet {
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// if lines never get set then that means the secret is most likely
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// on the last line of the diff output and the diff output does not have
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// a newline
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location.startColumn = (start - prevNewLine) + 1 // +1 because counting starts at 1
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location.endColumn = (end - prevNewLine)
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location.startLine = _lineNum + 1
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location.endLine = _lineNum + 1
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// search for new line byte index
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i := 0
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for end+i < len(raw) {
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if raw[end+i] == '\n' {
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break
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}
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if raw[end+i] == '\r' {
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break
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}
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i++
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}
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location.endLineIndex = end + i
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}
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return location
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}
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