1 files changed, 0 insertions, 185 deletions
diff --git a/vendor/github.com/oschwald/maxminddb-golang/verifier.go b/vendor/github.com/oschwald/maxminddb-golang/verifier.go
deleted file mode 100644
index ace9d35..0000000
--- a/vendor/github.com/oschwald/maxminddb-golang/verifier.go
+++ /dev/null
@@ -1,185 +0,0 @@
-package maxminddb
-
-import "reflect"
-
-type verifier struct {
-	reader *Reader
-}
-
-// Verify checks that the database is valid. It validates the search tree,
-// the data section, and the metadata section. This verifier is stricter than
-// the specification and may return errors on databases that are readable.
-func (r *Reader) Verify() error {
-	v := verifier{r}
-	if err := v.verifyMetadata(); err != nil {
-		return err
-	}
-
-	return v.verifyDatabase()
-}
-
-func (v *verifier) verifyMetadata() error {
-	metadata := v.reader.Metadata
-
-	if metadata.BinaryFormatMajorVersion != 2 {
-		return testError(
-			"binary_format_major_version",
-			2,
-			metadata.BinaryFormatMajorVersion,
-		)
-	}
-
-	if metadata.BinaryFormatMinorVersion != 0 {
-		return testError(
-			"binary_format_minor_version",
-			0,
-			metadata.BinaryFormatMinorVersion,
-		)
-	}
-
-	if metadata.DatabaseType == "" {
-		return testError(
-			"database_type",
-			"non-empty string",
-			metadata.DatabaseType,
-		)
-	}
-
-	if len(metadata.Description) == 0 {
-		return testError(
-			"description",
-			"non-empty slice",
-			metadata.Description,
-		)
-	}
-
-	if metadata.IPVersion != 4 && metadata.IPVersion != 6 {
-		return testError(
-			"ip_version",
-			"4 or 6",
-			metadata.IPVersion,
-		)
-	}
-
-	if metadata.RecordSize != 24 &&
-		metadata.RecordSize != 28 &&
-		metadata.RecordSize != 32 {
-		return testError(
-			"record_size",
-			"24, 28, or 32",
-			metadata.RecordSize,
-		)
-	}
-
-	if metadata.NodeCount == 0 {
-		return testError(
-			"node_count",
-			"positive integer",
-			metadata.NodeCount,
-		)
-	}
-	return nil
-}
-
-func (v *verifier) verifyDatabase() error {
-	offsets, err := v.verifySearchTree()
-	if err != nil {
-		return err
-	}
-
-	if err := v.verifyDataSectionSeparator(); err != nil {
-		return err
-	}
-
-	return v.verifyDataSection(offsets)
-}
-
-func (v *verifier) verifySearchTree() (map[uint]bool, error) {
-	offsets := make(map[uint]bool)
-
-	it := v.reader.Networks()
-	for it.Next() {
-		offset, err := v.reader.resolveDataPointer(it.lastNode.pointer)
-		if err != nil {
-			return nil, err
-		}
-		offsets[uint(offset)] = true
-	}
-	if err := it.Err(); err != nil {
-		return nil, err
-	}
-	return offsets, nil
-}
-
-func (v *verifier) verifyDataSectionSeparator() error {
-	separatorStart := v.reader.Metadata.NodeCount * v.reader.Metadata.RecordSize / 4
-
-	separator := v.reader.buffer[separatorStart : separatorStart+dataSectionSeparatorSize]
-
-	for _, b := range separator {
-		if b != 0 {
-			return newInvalidDatabaseError("unexpected byte in data separator: %v", separator)
-		}
-	}
-	return nil
-}
-
-func (v *verifier) verifyDataSection(offsets map[uint]bool) error {
-	pointerCount := len(offsets)
-
-	decoder := v.reader.decoder
-
-	var offset uint
-	bufferLen := uint(len(decoder.buffer))
-	for offset < bufferLen {
-		var data interface{}
-		rv := reflect.ValueOf(&data)
-		newOffset, err := decoder.decode(offset, rv, 0)
-		if err != nil {
-			return newInvalidDatabaseError("received decoding error (%v) at offset of %v", err, offset)
-		}
-		if newOffset <= offset {
-			return newInvalidDatabaseError("data section offset unexpectedly went from %v to %v", offset, newOffset)
-		}
-
-		pointer := offset
-
-		if _, ok := offsets[pointer]; ok {
-			delete(offsets, pointer)
-		} else {
-			return newInvalidDatabaseError("found data (%v) at %v that the search tree does not point to", data, pointer)
-		}
-
-		offset = newOffset
-	}
-
-	if offset != bufferLen {
-		return newInvalidDatabaseError(
-			"unexpected data at the end of the data section (last offset: %v, end: %v)",
-			offset,
-			bufferLen,
-		)
-	}
-
-	if len(offsets) != 0 {
-		return newInvalidDatabaseError(
-			"found %v pointers (of %v) in the search tree that we did not see in the data section",
-			len(offsets),
-			pointerCount,
-		)
-	}
-	return nil
-}
-
-func testError(
-	field string,
-	expected interface{},
-	actual interface{},
-) error {
-	return newInvalidDatabaseError(
-		"%v - Expected: %v Actual: %v",
-		field,
-		expected,
-		actual,
-	)
-}