Port cyclonedx presenter to format object (#589)

* add new cyclonedx format object

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* remove cyclonedx presenter

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* remove cyclonedx presenter call

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* remove dependence on golden images for format tests

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* wire up new formt + rename all-presenters ref

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* add CLI test to ensure that all formats can be expressed as report output

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* add cyclonedx version and encoding format to package name

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* optionally preserve format snapshot images

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* fix linting + text unit tests

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

internal/formats/cyclonedx12xml/model/bom_descriptor.go

@@ -0,0 +1,31 @@
+package model
+
+import (
+	"encoding/xml"
+)
+
+// Source: https://cyclonedx.org/ext/bom-descriptor/
+
+// BomDescriptor represents all metadata surrounding the BOM report (such as when the BOM was made, with which tool, and the item being cataloged).
+type BomDescriptor struct {
+	XMLName   xml.Name                `xml:"metadata"`
+	Timestamp string                  `xml:"timestamp,omitempty"` // The date and time (timestamp) when the document was created
+	Tools     []BomDescriptorTool     `xml:"tools>tool"`          // The tool used to create the BOM.
+	Component *BomDescriptorComponent `xml:"component"`           // The component that the BOM describes.
+}
+
+// BomDescriptorTool represents the tool that created the BOM report.
+type BomDescriptorTool struct {
+	XMLName xml.Name `xml:"tool"`
+	Vendor  string   `xml:"vendor,omitempty"`  // The vendor of the tool used to create the BOM.
+	Name    string   `xml:"name,omitempty"`    // The name of the tool used to create the BOM.
+	Version string   `xml:"version,omitempty"` // The version of the tool used to create the BOM.
+	// TODO: hashes, author, manufacture, supplier
+	// TODO: add user-defined fields for the remaining build/version parameters
+}
+
+// BomDescriptorComponent represents the software/package being cataloged.
+type BomDescriptorComponent struct {
+	XMLName xml.Name `xml:"component"`
+	Component
+}

internal/formats/cyclonedx12xml/model/component.go

@@ -0,0 +1,20 @@
+package model
+
+import "encoding/xml"
+
+// Component represents a single element in the CycloneDX BOM
+type Component struct {
+	XMLName     xml.Name   `xml:"component"`
+	Type        string     `xml:"type,attr"`             // Required; Describes if the component is a library, framework, application, container, operating system, firmware, hardware device, or file
+	Supplier    string     `xml:"supplier,omitempty"`    // The organization that supplied the component. The supplier may often be the manufacture, but may also be a distributor or repackager.
+	Author      string     `xml:"author,omitempty"`      // The person(s) or organization(s) that authored the component
+	Publisher   string     `xml:"publisher,omitempty"`   // The person(s) or organization(s) that published the component
+	Group       string     `xml:"group,omitempty"`       // The high-level classification that a project self-describes as. This will often be a shortened, single name of the company or project that produced the component, or the source package or domain name.
+	Name        string     `xml:"name"`                  // Required; The name of the component as defined by the project
+	Version     string     `xml:"version"`               // Required; The version of the component as defined by the project
+	Description string     `xml:"description,omitempty"` // A description of the component
+	Licenses    *[]License `xml:"licenses>license"`      // A node describing zero or more license names, SPDX license IDs or expressions
+	PackageURL  string     `xml:"purl,omitempty"`        // Specifies the package-url (PackageURL). The purl, if specified, must be valid and conform to the specification defined at: https://github.com/package-url/purl-spec
+	// TODO: source, hashes, copyright, cpe, purl, swid, modified, pedigree, externalReferences
+	// TODO: add user-defined parameters for syft-specific values (image layer index, cataloger, location path, etc.)
+}

internal/formats/cyclonedx12xml/model/document.go

@@ -0,0 +1,17 @@
+package model
+
+import (
+	"encoding/xml"
+)
+
+// Source: https://github.com/CycloneDX/specification
+
+// Document represents a CycloneDX BOM Document.
+type Document struct {
+	XMLName       xml.Name       `xml:"bom"`
+	XMLNs         string         `xml:"xmlns,attr"`
+	Version       int            `xml:"version,attr"`
+	SerialNumber  string         `xml:"serialNumber,attr"`
+	BomDescriptor *BomDescriptor `xml:"metadata"`             // The BOM descriptor extension
+	Components    []Component    `xml:"components>component"` // The BOM contents
+}

internal/formats/cyclonedx12xml/model/license.go

@@ -0,0 +1,10 @@
+package model
+
+import "encoding/xml"
+
+// License represents a single software license for a Component
+type License struct {
+	XMLName xml.Name `xml:"license"`
+	ID      string   `xml:"id,omitempty"`   // A valid SPDX license ID
+	Name    string   `xml:"name,omitempty"` // If SPDX does not define the license used, this field may be used to provide the license name
+}