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