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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,78 @@ | ||
package npm | ||
|
||
import ( | ||
"encoding/json" | ||
"fmt" | ||
"github.com/murphysecurity/murphysec/model" | ||
"github.com/samber/lo" | ||
) | ||
|
||
type v1Dep struct { | ||
Version string `json:"version"` | ||
Dependencies map[string]v1Dep `json:"dependencies"` | ||
Dev bool `json:"dev"` | ||
Optional bool `json:"optional"` | ||
Requires map[string]string `json:"requires"` | ||
} | ||
|
||
type v1Lockfile struct { | ||
Name string `json:"name"` | ||
Dependencies map[string]v1Dep `json:"dependencies"` | ||
} | ||
|
||
func processV1Lockfile(data []byte, requires []string) ([]model.DependencyItem, error) { | ||
var e error | ||
var lockfile v1Lockfile | ||
e = json.Unmarshal(data, &lockfile) | ||
if e != nil { | ||
return nil, fmt.Errorf("parsing v1 lockfile: bad format, %w", e) | ||
} | ||
requires = lo.Uniq(requires) | ||
var r []model.DependencyItem | ||
for _, depName := range requires { | ||
if dep, ok := lockfile.Dependencies[depName]; ok { | ||
if rr := v1ConvDepRecursive(depName, dep, []map[string]v1Dep{lockfile.Dependencies}, make(map[string]struct{})); rr != nil { | ||
r = append(r, *rr) | ||
} | ||
} | ||
} | ||
return r, nil | ||
} | ||
|
||
func v1ConvDepRecursive(name string, dep v1Dep, pp []map[string]v1Dep, visited map[string]struct{}) *model.DependencyItem { | ||
if _, ok := visited[name]; ok { | ||
return nil | ||
} | ||
visited[name] = struct{}{} | ||
defer func() { delete(visited, name) }() | ||
r := model.DependencyItem{ | ||
Component: model.Component{ | ||
CompName: name, | ||
CompVersion: dep.Version, | ||
EcoRepo: EcoRepo, | ||
}, | ||
} | ||
if dep.Dev { | ||
r.IsOnline.SetOnline(false) | ||
} | ||
var queryMaps = make([]map[string]v1Dep, len(pp), len(pp)+1) | ||
copy(queryMaps, pp) | ||
if dep.Dependencies != nil { | ||
queryMaps = append(queryMaps, dep.Dependencies) | ||
} | ||
o: | ||
for depName := range dep.Requires { | ||
queryMapOff := len(queryMaps) - 1 | ||
for queryMapOff >= 0 { | ||
if child, ok := queryMaps[queryMapOff][depName]; ok { | ||
rr := v1ConvDepRecursive(depName, child, queryMaps[:queryMapOff+1], visited) | ||
if rr != nil { | ||
r.Dependencies = append(r.Dependencies, *rr) | ||
} | ||
continue o | ||
} | ||
queryMapOff-- | ||
} | ||
} | ||
return &r | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,17 @@ | ||
package npm | ||
|
||
import ( | ||
"encoding/json" | ||
"fmt" | ||
) | ||
|
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func parseLockfileVersion(data []byte) (int, error) { | ||
type unknownVersionLockfile struct { | ||
LockfileVersion int `json:"lockfileVersion"` | ||
} | ||
var u unknownVersionLockfile | ||
if e := json.Unmarshal(data, &u); e != nil { | ||
return 0, fmt.Errorf("parsing lockfile version: %w", e) | ||
} | ||
return u.LockfileVersion, nil | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,23 @@ | ||
package npm | ||
|
||
import ( | ||
"encoding/json" | ||
"fmt" | ||
) | ||
|
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type pkgFile struct { | ||
Name string `json:"name"` | ||
Version string `json:"version"` | ||
Dependencies map[string]string `json:"dependencies"` | ||
DevDependencies map[string]string `json:"devDependencies"` | ||
} | ||
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func parsePkgFile(data []byte) (*pkgFile, error) { | ||
var e error | ||
var r pkgFile | ||
e = json.Unmarshal(data, &r) | ||
if e != nil { | ||
return nil, fmt.Errorf("parsing package file: bad format, %w", e) | ||
} | ||
return &r, nil | ||
} |