1. class
  2. Concrete
  3. \
  4. Core
  5. \
  6. File
  7. \
  8. Image
  9. \
  10. Svg
  11. \
  12. Sanitizer

Sanitizer

class Sanitizer (View source)

Properties

protected Filesystem $filesystem

The Filesystem instance to be used for file operations.
protected Sanitizer $enshrinedSvgSanitizer

3rd party SVG Sanitizer for additional checkups.

Methods

__construct(Filesystem $filesystem)

Initialize the instance.

bool
fileContainsValidXml(string $filename)

Check if a file is a valid XML file.

bool
dataContainsValidXml(string $data)

Check if a string contains valid XML data.

array
checkFile(string $inputFilename, SanitizerOptions $options = null)

Check if an SVG file contain nodes to be sanitized.

array
checkData(string $data, SanitizerOptions $options = null)

Check if a string containing an SVG document contains nodes to be sanitized.

sanitizeFile(string $inputFilename, SanitizerOptions $options = null, string $outputFilename = '', array $removedNodes = [])

Sanitize a file containing an SVG document.

string
sanitizeData(string $data, SanitizerOptions $options = null, array $removedNodes = [])

Sanitize a string containing an SVG document.

sanitizeXml(DOMDocument $xml, array $removedNodes, SanitizerOptions $options = null)

Sanitize a DOMDocument instance.

int
getLoadFlags()

Get the flags to be used when loading the XML.

string
fileToData(string $filename)

Reads a file.

DOMDocument
fileToXml(string $filename)

Create a DOMDocument instance from a file name.

DOMDocument
dataToXml(string $data)

Create a DOMDocument instance from a string.

processNode(DOMElement $element, SanitizerOptions $options, array $removedNodes)

Analyze an element (and all its children), removing selected elements/attributes.

string
xmlToData(DOMDocument $xml)

Render a DOMDocument instance as a string.

Details

at line 33
__construct(Filesystem $filesystem)

Initialize the instance.

Parameters

Filesystem $filesystem

the Filesystem instance to be used for file operations

at line 46
bool fileContainsValidXml(string $filename)

Check if a file is a valid XML file.

Parameters

string $filename

Return Value

bool

at line 64
bool dataContainsValidXml(string $data)

Check if a string contains valid XML data.

Parameters

string $data

Return Value

bool

at line 95
array checkFile(string $inputFilename, SanitizerOptions $options = null)

Check if an SVG file contain nodes to be sanitized.

Parameters

string $inputFilename

the input filename
SanitizerOptions $options

the sanitizer options (if NULL, we'll use the default ones)

Return Value

array

Examples

<pre><code>
[
    'attributes' => [
        'onload' => 1,
        'onclick => 3,
    ],
    'elements' => [
        'script' => 2,
    ],
]
</code></pre>

at line 122
array checkData(string $data, SanitizerOptions $options = null)

Check if a string containing an SVG document contains nodes to be sanitized.

Parameters

string $data

the string containing an SVG document
SanitizerOptions $options

the sanitizer options (if NULL, we'll use the default ones)

Return Value

array

Examples

<pre><code>
[
    'attributes' => [
        'onload' => 1,
        'onclick => 3,
    ],
    'elements' => [
        'script' => 2,
    ],
]
</code></pre>

at line 140
sanitizeFile(string $inputFilename, SanitizerOptions $options = null, string $outputFilename = '', array $removedNodes = [])

Sanitize a file containing an SVG document.

Parameters

string $inputFilename

the name of the file containing an SVG document
SanitizerOptions $options

the sanitizer options (if NULL, we'll use the default ones)
string $outputFilename

the output filename (if empty, we'll overwrite $inputFilename)
array $removedNodes

will contain the list removed elements/attributes

Exceptions

SanitizerException

at line 165
string sanitizeData(string $data, SanitizerOptions $options = null, array $removedNodes = [])

Sanitize a string containing an SVG document.

Parameters

string $data

the data to be sanitized
SanitizerOptions $options

the sanitizer options (if NULL, we'll use the default ones)
array $removedNodes

will contain the list removed elements/attributes

Return Value

string

Exceptions

SanitizerException

at line 183
protected sanitizeXml(DOMDocument $xml, array $removedNodes, SanitizerOptions $options = null)

Sanitize a DOMDocument instance.

Parameters

DOMDocument $xml
array $removedNodes

will contain the list removed elements/attributes
SanitizerOptions $options

the sanitizer options (if NULL, we'll use the default ones)

Exceptions

SanitizerException

at line 196
protected int getLoadFlags()

Get the flags to be used when loading the XML.

Return Value

int

at line 223
protected string fileToData(string $filename)

Reads a file.

Parameters

string $filename

Return Value

string

Exceptions

SanitizerException

at line 242
protected DOMDocument fileToXml(string $filename)

Create a DOMDocument instance from a file name.

Parameters

string $filename

Return Value

DOMDocument

Exceptions

SanitizerException

at line 256
protected DOMDocument dataToXml(string $data)

Create a DOMDocument instance from a string.

Parameters

string $data

Return Value

DOMDocument

Exceptions

SanitizerException

at line 290
protected processNode(DOMElement $element, SanitizerOptions $options, array $removedNodes)

Analyze an element (and all its children), removing selected elements/attributes.

Parameters

DOMElement $element
SanitizerOptions $options
array $removedNodes

tracks the removed elements/attributes

at line 334
protected string xmlToData(DOMDocument $xml)

Render a DOMDocument instance as a string.

Parameters

DOMDocument $xml

Return Value

string

Exceptions

SanitizerException