dep: update deps
This commit is contained in:
parent
cf85140f78
commit
1dfde5c636
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@ -11,7 +11,7 @@
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branch = "master"
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name = "github.com/Xe/eclier"
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packages = ["."]
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revision = "b586327df9d5a5e5023fa1338f44941745136d68"
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revision = "0348e605dd81108be0380a581f237d6c77e088fa"
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[[projects]]
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branch = "master"
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@ -358,7 +358,7 @@
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"hcldec",
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"hclparse"
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]
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revision = "83451bb547db5e521b21cdf02fc0018c5790f6d5"
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revision = "613331e829930a2321c1de7227c9483d9c76c3f4"
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[[projects]]
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branch = "master"
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@ -956,6 +956,12 @@
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packages = ["."]
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revision = "d670f9405373e636a5a2765eea47fac0c9bc91a4"
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[[projects]]
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branch = "master"
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name = "layeh.com/asar"
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packages = ["."]
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revision = "0ec214a4ae0d21fa761591e8cb8f0bbf162ef3e5"
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[[projects]]
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branch = "master"
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name = "layeh.com/gopher-json"
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@ -971,6 +977,6 @@
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[solve-meta]
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analyzer-name = "dep"
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analyzer-version = 1
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inputs-digest = "04d2f396a00556d6fd4651d3af551eb832ea69ff3c2ba78a5e345a494d5c2bf0"
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inputs-digest = "5a2781494dfd7bbba13e0088752aa52bd2b2e0a9e384f44ee165e5e4aacb7dfd"
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solver-name = "gps-cdcl"
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solver-version = 1
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@ -19,6 +19,9 @@
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# name = "github.com/x/y"
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# version = "2.4.0"
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[[constraint]]
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branch = "master"
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name = "github.com/Xe/eclier"
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[[constraint]]
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branch = "master"
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@ -3,7 +3,6 @@ package eclier
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import (
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"context"
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"flag"
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"fmt"
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)
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// Constants for built-in commands.
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@ -54,14 +53,17 @@ func (p *pluginCommand) Version() string { return BuiltinVersion }
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func (p *pluginCommand) Run(ctx context.Context, arg []string) error {
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p.fs.Parse(arg)
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table.SetHeader([]String{"Verb", "Path"})
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for _, c := range p.r.cmds {
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if c.ScriptPath() == BuiltinScriptPath && *p.dontShowBuiltin {
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continue
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}
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fmt.Printf("%s\t%s\n", c.Verb(), c.ScriptPath())
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table.Append([]string{c.Verb(), c.ScriptPath()})
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}
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table.Render()
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return nil
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}
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@ -11,6 +11,7 @@ import (
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"github.com/olekukonko/tablewriter"
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lua "github.com/yuin/gopher-lua"
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"layeh.com/asar"
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)
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// Router is the main subcommand router for eclier. At a high level what this is
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@ -55,7 +56,6 @@ func NewRouter(opts ...RouterOption) (*Router, error) {
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defer fin.Close()
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c := newGluaCommand(r.gluaCreationHook, fname, fin)
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r.cmds[c.Verb()] = c
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}
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@ -138,3 +138,35 @@ func WithGluaCreationHook(hook func(*lua.LState)) RouterOption {
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r.gluaCreationHook = hook
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}
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}
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// WithAsarFile loads an asar file full of lua scripts into this eclier router.
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func WithAsarFile(shortName, fname string) RouterOption {
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return func(r *Router) {
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fin, err := os.Open(fname)
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if err != nil {
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log.Fatal(err)
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}
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defer fin.Close()
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e, err := asar.Decode(fin)
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if err != nil {
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log.Fatal(err)
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}
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err := e.Walk(func(path string, info os.FileInfo, err error) error {
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if strings.HasSuffix(info.Name(), ".lua") {
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fname := filepath.Join(shortName, "::", path)
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fin := e.Find(path)
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if fin == nil {
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return nil
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}
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c = newGluaCommand(r.gluaCreationHook, fname, fin)
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r.cmds[c.Verb()] = c
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}
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})
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if err != nil {
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log.Fatal(err)
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}
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}
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}
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@ -0,0 +1 @@
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/.idea/
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@ -0,0 +1,373 @@
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Mozilla Public License Version 2.0
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==================================
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1. Definitions
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--------------
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1.1. "Contributor"
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means each individual or legal entity that creates, contributes to
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the creation of, or owns Covered Software.
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1.2. "Contributor Version"
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means the combination of the Contributions of others (if any) used
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by a Contributor and that particular Contributor's Contribution.
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1.3. "Contribution"
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means Covered Software of a particular Contributor.
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1.4. "Covered Software"
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means Source Code Form to which the initial Contributor has attached
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the notice in Exhibit A, the Executable Form of such Source Code
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Form, and Modifications of such Source Code Form, in each case
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including portions thereof.
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1.5. "Incompatible With Secondary Licenses"
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means
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(a) that the initial Contributor has attached the notice described
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in Exhibit B to the Covered Software; or
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(b) that the Covered Software was made available under the terms of
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version 1.1 or earlier of the License, but not also under the
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terms of a Secondary License.
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1.6. "Executable Form"
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means any form of the work other than Source Code Form.
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1.7. "Larger Work"
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means a work that combines Covered Software with other material, in
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a separate file or files, that is not Covered Software.
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1.8. "License"
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means this document.
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1.9. "Licensable"
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means having the right to grant, to the maximum extent possible,
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whether at the time of the initial grant or subsequently, any and
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all of the rights conveyed by this License.
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1.10. "Modifications"
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means any of the following:
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(a) any file in Source Code Form that results from an addition to,
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deletion from, or modification of the contents of Covered
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Software; or
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(b) any new file in Source Code Form that contains any Covered
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Software.
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1.11. "Patent Claims" of a Contributor
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means any patent claim(s), including without limitation, method,
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process, and apparatus claims, in any patent Licensable by such
|
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Contributor that would be infringed, but for the grant of the
|
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License, by the making, using, selling, offering for sale, having
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made, import, or transfer of either its Contributions or its
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Contributor Version.
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1.12. "Secondary License"
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means either the GNU General Public License, Version 2.0, the GNU
|
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Lesser General Public License, Version 2.1, the GNU Affero General
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Public License, Version 3.0, or any later versions of those
|
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licenses.
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1.13. "Source Code Form"
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means the form of the work preferred for making modifications.
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1.14. "You" (or "Your")
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means an individual or a legal entity exercising rights under this
|
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License. For legal entities, "You" includes any entity that
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controls, is controlled by, or is under common control with You. For
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purposes of this definition, "control" means (a) the power, direct
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or indirect, to cause the direction or management of such entity,
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whether by contract or otherwise, or (b) ownership of more than
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fifty percent (50%) of the outstanding shares or beneficial
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ownership of such entity.
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2. License Grants and Conditions
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--------------------------------
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2.1. Grants
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Each Contributor hereby grants You a world-wide, royalty-free,
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non-exclusive license:
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(a) under intellectual property rights (other than patent or trademark)
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Licensable by such Contributor to use, reproduce, make available,
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modify, display, perform, distribute, and otherwise exploit its
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Contributions, either on an unmodified basis, with Modifications, or
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as part of a Larger Work; and
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(b) under Patent Claims of such Contributor to make, use, sell, offer
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for sale, have made, import, and otherwise transfer either its
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Contributions or its Contributor Version.
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2.2. Effective Date
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The licenses granted in Section 2.1 with respect to any Contribution
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become effective for each Contribution on the date the Contributor first
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distributes such Contribution.
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2.3. Limitations on Grant Scope
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|
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The licenses granted in this Section 2 are the only rights granted under
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this License. No additional rights or licenses will be implied from the
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distribution or licensing of Covered Software under this License.
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Notwithstanding Section 2.1(b) above, no patent license is granted by a
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Contributor:
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|
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(a) for any code that a Contributor has removed from Covered Software;
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or
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|
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(b) for infringements caused by: (i) Your and any other third party's
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modifications of Covered Software, or (ii) the combination of its
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Contributions with other software (except as part of its Contributor
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Version); or
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|
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(c) under Patent Claims infringed by Covered Software in the absence of
|
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its Contributions.
|
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|
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This License does not grant any rights in the trademarks, service marks,
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or logos of any Contributor (except as may be necessary to comply with
|
||||
the notice requirements in Section 3.4).
|
||||
|
||||
2.4. Subsequent Licenses
|
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|
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No Contributor makes additional grants as a result of Your choice to
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distribute the Covered Software under a subsequent version of this
|
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License (see Section 10.2) or under the terms of a Secondary License (if
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permitted under the terms of Section 3.3).
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|
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2.5. Representation
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Each Contributor represents that the Contributor believes its
|
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Contributions are its original creation(s) or it has sufficient rights
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to grant the rights to its Contributions conveyed by this License.
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|
||||
2.6. Fair Use
|
||||
|
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This License is not intended to limit any rights You have under
|
||||
applicable copyright doctrines of fair use, fair dealing, or other
|
||||
equivalents.
|
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|
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2.7. Conditions
|
||||
|
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Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted
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in Section 2.1.
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|
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3. Responsibilities
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||||
-------------------
|
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|
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3.1. Distribution of Source Form
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|
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All distribution of Covered Software in Source Code Form, including any
|
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Modifications that You create or to which You contribute, must be under
|
||||
the terms of this License. You must inform recipients that the Source
|
||||
Code Form of the Covered Software is governed by the terms of this
|
||||
License, and how they can obtain a copy of this License. You may not
|
||||
attempt to alter or restrict the recipients' rights in the Source Code
|
||||
Form.
|
||||
|
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3.2. Distribution of Executable Form
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|
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If You distribute Covered Software in Executable Form then:
|
||||
|
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(a) such Covered Software must also be made available in Source Code
|
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Form, as described in Section 3.1, and You must inform recipients of
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the Executable Form how they can obtain a copy of such Source Code
|
||||
Form by reasonable means in a timely manner, at a charge no more
|
||||
than the cost of distribution to the recipient; and
|
||||
|
||||
(b) You may distribute such Executable Form under the terms of this
|
||||
License, or sublicense it under different terms, provided that the
|
||||
license for the Executable Form does not attempt to limit or alter
|
||||
the recipients' rights in the Source Code Form under this License.
|
||||
|
||||
3.3. Distribution of a Larger Work
|
||||
|
||||
You may create and distribute a Larger Work under terms of Your choice,
|
||||
provided that You also comply with the requirements of this License for
|
||||
the Covered Software. If the Larger Work is a combination of Covered
|
||||
Software with a work governed by one or more Secondary Licenses, and the
|
||||
Covered Software is not Incompatible With Secondary Licenses, this
|
||||
License permits You to additionally distribute such Covered Software
|
||||
under the terms of such Secondary License(s), so that the recipient of
|
||||
the Larger Work may, at their option, further distribute the Covered
|
||||
Software under the terms of either this License or such Secondary
|
||||
License(s).
|
||||
|
||||
3.4. Notices
|
||||
|
||||
You may not remove or alter the substance of any license notices
|
||||
(including copyright notices, patent notices, disclaimers of warranty,
|
||||
or limitations of liability) contained within the Source Code Form of
|
||||
the Covered Software, except that You may alter any license notices to
|
||||
the extent required to remedy known factual inaccuracies.
|
||||
|
||||
3.5. Application of Additional Terms
|
||||
|
||||
You may choose to offer, and to charge a fee for, warranty, support,
|
||||
indemnity or liability obligations to one or more recipients of Covered
|
||||
Software. However, You may do so only on Your own behalf, and not on
|
||||
behalf of any Contributor. You must make it absolutely clear that any
|
||||
such warranty, support, indemnity, or liability obligation is offered by
|
||||
You alone, and You hereby agree to indemnify every Contributor for any
|
||||
liability incurred by such Contributor as a result of warranty, support,
|
||||
indemnity or liability terms You offer. You may include additional
|
||||
disclaimers of warranty and limitations of liability specific to any
|
||||
jurisdiction.
|
||||
|
||||
4. Inability to Comply Due to Statute or Regulation
|
||||
---------------------------------------------------
|
||||
|
||||
If it is impossible for You to comply with any of the terms of this
|
||||
License with respect to some or all of the Covered Software due to
|
||||
statute, judicial order, or regulation then You must: (a) comply with
|
||||
the terms of this License to the maximum extent possible; and (b)
|
||||
describe the limitations and the code they affect. Such description must
|
||||
be placed in a text file included with all distributions of the Covered
|
||||
Software under this License. Except to the extent prohibited by statute
|
||||
or regulation, such description must be sufficiently detailed for a
|
||||
recipient of ordinary skill to be able to understand it.
|
||||
|
||||
5. Termination
|
||||
--------------
|
||||
|
||||
5.1. The rights granted under this License will terminate automatically
|
||||
if You fail to comply with any of its terms. However, if You become
|
||||
compliant, then the rights granted under this License from a particular
|
||||
Contributor are reinstated (a) provisionally, unless and until such
|
||||
Contributor explicitly and finally terminates Your grants, and (b) on an
|
||||
ongoing basis, if such Contributor fails to notify You of the
|
||||
non-compliance by some reasonable means prior to 60 days after You have
|
||||
come back into compliance. Moreover, Your grants from a particular
|
||||
Contributor are reinstated on an ongoing basis if such Contributor
|
||||
notifies You of the non-compliance by some reasonable means, this is the
|
||||
first time You have received notice of non-compliance with this License
|
||||
from such Contributor, and You become compliant prior to 30 days after
|
||||
Your receipt of the notice.
|
||||
|
||||
5.2. If You initiate litigation against any entity by asserting a patent
|
||||
infringement claim (excluding declaratory judgment actions,
|
||||
counter-claims, and cross-claims) alleging that a Contributor Version
|
||||
directly or indirectly infringes any patent, then the rights granted to
|
||||
You by any and all Contributors for the Covered Software under Section
|
||||
2.1 of this License shall terminate.
|
||||
|
||||
5.3. In the event of termination under Sections 5.1 or 5.2 above, all
|
||||
end user license agreements (excluding distributors and resellers) which
|
||||
have been validly granted by You or Your distributors under this License
|
||||
prior to termination shall survive termination.
|
||||
|
||||
************************************************************************
|
||||
* *
|
||||
* 6. Disclaimer of Warranty *
|
||||
* ------------------------- *
|
||||
* *
|
||||
* Covered Software is provided under this License on an "as is" *
|
||||
* basis, without warranty of any kind, either expressed, implied, or *
|
||||
* statutory, including, without limitation, warranties that the *
|
||||
* Covered Software is free of defects, merchantable, fit for a *
|
||||
* particular purpose or non-infringing. The entire risk as to the *
|
||||
* quality and performance of the Covered Software is with You. *
|
||||
* Should any Covered Software prove defective in any respect, You *
|
||||
* (not any Contributor) assume the cost of any necessary servicing, *
|
||||
* repair, or correction. This disclaimer of warranty constitutes an *
|
||||
* essential part of this License. No use of any Covered Software is *
|
||||
* authorized under this License except under this disclaimer. *
|
||||
* *
|
||||
************************************************************************
|
||||
|
||||
************************************************************************
|
||||
* *
|
||||
* 7. Limitation of Liability *
|
||||
* -------------------------- *
|
||||
* *
|
||||
* Under no circumstances and under no legal theory, whether tort *
|
||||
* (including negligence), contract, or otherwise, shall any *
|
||||
* Contributor, or anyone who distributes Covered Software as *
|
||||
* permitted above, be liable to You for any direct, indirect, *
|
||||
* special, incidental, or consequential damages of any character *
|
||||
* including, without limitation, damages for lost profits, loss of *
|
||||
* goodwill, work stoppage, computer failure or malfunction, or any *
|
||||
* and all other commercial damages or losses, even if such party *
|
||||
* shall have been informed of the possibility of such damages. This *
|
||||
* limitation of liability shall not apply to liability for death or *
|
||||
* personal injury resulting from such party's negligence to the *
|
||||
* extent applicable law prohibits such limitation. Some *
|
||||
* jurisdictions do not allow the exclusion or limitation of *
|
||||
* incidental or consequential damages, so this exclusion and *
|
||||
* limitation may not apply to You. *
|
||||
* *
|
||||
************************************************************************
|
||||
|
||||
8. Litigation
|
||||
-------------
|
||||
|
||||
Any litigation relating to this License may be brought only in the
|
||||
courts of a jurisdiction where the defendant maintains its principal
|
||||
place of business and such litigation shall be governed by laws of that
|
||||
jurisdiction, without reference to its conflict-of-law provisions.
|
||||
Nothing in this Section shall prevent a party's ability to bring
|
||||
cross-claims or counter-claims.
|
||||
|
||||
9. Miscellaneous
|
||||
----------------
|
||||
|
||||
This License represents the complete agreement concerning the subject
|
||||
matter hereof. If any provision of this License is held to be
|
||||
unenforceable, such provision shall be reformed only to the extent
|
||||
necessary to make it enforceable. Any law or regulation which provides
|
||||
that the language of a contract shall be construed against the drafter
|
||||
shall not be used to construe this License against a Contributor.
|
||||
|
||||
10. Versions of the License
|
||||
---------------------------
|
||||
|
||||
10.1. New Versions
|
||||
|
||||
Mozilla Foundation is the license steward. Except as provided in Section
|
||||
10.3, no one other than the license steward has the right to modify or
|
||||
publish new versions of this License. Each version will be given a
|
||||
distinguishing version number.
|
||||
|
||||
10.2. Effect of New Versions
|
||||
|
||||
You may distribute the Covered Software under the terms of the version
|
||||
of the License under which You originally received the Covered Software,
|
||||
or under the terms of any subsequent version published by the license
|
||||
steward.
|
||||
|
||||
10.3. Modified Versions
|
||||
|
||||
If you create software not governed by this License, and you want to
|
||||
create a new license for such software, you may create and use a
|
||||
modified version of this License if you rename the license and remove
|
||||
any references to the name of the license steward (except to note that
|
||||
such modified license differs from this License).
|
||||
|
||||
10.4. Distributing Source Code Form that is Incompatible With Secondary
|
||||
Licenses
|
||||
|
||||
If You choose to distribute Source Code Form that is Incompatible With
|
||||
Secondary Licenses under the terms of this version of the License, the
|
||||
notice described in Exhibit B of this License must be attached.
|
||||
|
||||
Exhibit A - Source Code Form License Notice
|
||||
-------------------------------------------
|
||||
|
||||
This Source Code Form is subject to the terms of the Mozilla Public
|
||||
License, v. 2.0. If a copy of the MPL was not distributed with this
|
||||
file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
||||
|
||||
If it is not possible or desirable to put the notice in a particular
|
||||
file, then You may include the notice in a location (such as a LICENSE
|
||||
file in a relevant directory) where a recipient would be likely to look
|
||||
for such a notice.
|
||||
|
||||
You may add additional accurate notices of copyright ownership.
|
||||
|
||||
Exhibit B - "Incompatible With Secondary Licenses" Notice
|
||||
---------------------------------------------------------
|
||||
|
||||
This Source Code Form is "Incompatible With Secondary Licenses", as
|
||||
defined by the Mozilla Public License, v. 2.0.
|
||||
|
|
@ -0,0 +1,36 @@
|
|||
# asar [](https://godoc.org/layeh.com/asar)
|
||||
|
||||
Package asar reads and writes ASAR (Atom-Shell Archive) archives
|
||||
|
||||
import (
|
||||
"os"
|
||||
|
||||
"layeh.com/asar"
|
||||
)
|
||||
|
||||
|
||||
f, err := os.Open("sample.asar")
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
defer f.Close()
|
||||
|
||||
archive, err := asar.Decode(f)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
|
||||
test := archive.Find("test", "file.txt")
|
||||
if test == nil {
|
||||
panic("file not found")
|
||||
}
|
||||
// print contents of test/file.txt in sample.asar
|
||||
fmt.Println(test.String())
|
||||
|
||||
## License
|
||||
|
||||
MPL 2.0
|
||||
|
||||
## Author
|
||||
|
||||
Tim Cooper (tim.cooper@layeh.com)
|
||||
|
|
@ -0,0 +1,80 @@
|
|||
package asar // import "layeh.com/asar"
|
||||
|
||||
import (
|
||||
"io"
|
||||
"strings"
|
||||
)
|
||||
|
||||
// Builder helps construct an Entry.
|
||||
//
|
||||
// A builder keeps track of the root Entry and the active Entry. When entries
|
||||
// are added using the Add* methods, they are added as children to the active
|
||||
// Entry.
|
||||
type Builder struct {
|
||||
root, current *Entry
|
||||
}
|
||||
|
||||
// Root returns the root Entry.
|
||||
func (b *Builder) Root() *Entry {
|
||||
return b.root
|
||||
}
|
||||
|
||||
func (b *Builder) init() {
|
||||
if b.root == nil {
|
||||
b.root = &Entry{
|
||||
Flags: FlagDir,
|
||||
}
|
||||
b.current = b.root
|
||||
}
|
||||
}
|
||||
|
||||
// Parent sets the active entry to the parent of the active Entry (i.e. moves up
|
||||
// a level).
|
||||
//
|
||||
// The function panics if called on the root Entry.
|
||||
func (b *Builder) Parent() *Builder {
|
||||
if b.current == b.root {
|
||||
panic("root has no parent")
|
||||
}
|
||||
b.current = b.current.Parent
|
||||
return b
|
||||
}
|
||||
|
||||
// AddString adds a new file Entry whose contents are the given string.
|
||||
func (b *Builder) AddString(name, contents string, flags Flag) *Builder {
|
||||
return b.Add(name, strings.NewReader(contents), int64(len(contents)), flags)
|
||||
}
|
||||
|
||||
// Add adds a new file Entry.
|
||||
func (b *Builder) Add(name string, ra io.ReaderAt, size int64, flags Flag) *Builder {
|
||||
b.init()
|
||||
|
||||
child := &Entry{
|
||||
Name: name,
|
||||
Size: size,
|
||||
Flags: flags,
|
||||
Parent: b.current,
|
||||
|
||||
r: ra,
|
||||
}
|
||||
b.current.Children = append(b.current.Children, child)
|
||||
|
||||
return b
|
||||
}
|
||||
|
||||
// AddDir adds a new directory Entry. The active Entry is switched to this newly
|
||||
// added Entry.
|
||||
func (b *Builder) AddDir(name string, flags Flag) *Builder {
|
||||
b.init()
|
||||
|
||||
child := &Entry{
|
||||
Name: name,
|
||||
Flags: flags | FlagDir,
|
||||
Parent: b.current,
|
||||
}
|
||||
|
||||
b.current.Children = append(b.current.Children, child)
|
||||
b.current = child
|
||||
|
||||
return b
|
||||
}
|
||||
|
|
@ -0,0 +1,64 @@
|
|||
package asar // import "layeh.com/asar"
|
||||
|
||||
import (
|
||||
"encoding/binary"
|
||||
"errors"
|
||||
"io"
|
||||
)
|
||||
|
||||
var (
|
||||
errMalformed = errors.New("asar: malformed archive")
|
||||
)
|
||||
|
||||
// Decode decodes the ASAR archive in ra.
|
||||
//
|
||||
// Returns the root element and nil on success. nil and an error is returned on
|
||||
// failure.
|
||||
func Decode(ra io.ReaderAt) (*Entry, error) {
|
||||
headerSize := uint32(0)
|
||||
headerStringSize := uint32(0)
|
||||
|
||||
// [pickle object header (4 bytes) == 4]
|
||||
// [pickle uint32 = $header_object_size]
|
||||
{
|
||||
var buff [8]byte
|
||||
if n, _ := ra.ReadAt(buff[:], 0); n != 8 {
|
||||
return nil, errMalformed
|
||||
}
|
||||
|
||||
dataSize := binary.LittleEndian.Uint32(buff[:4])
|
||||
if dataSize != 4 {
|
||||
return nil, errMalformed
|
||||
}
|
||||
headerSize = binary.LittleEndian.Uint32(buff[4:8])
|
||||
}
|
||||
|
||||
// [pickle object header (4 bytes)]
|
||||
// [pickle data header (4 bytes) == $string_size]
|
||||
// [pickle string ($string_size bytes)]
|
||||
{
|
||||
var buff [8]byte
|
||||
if n, _ := ra.ReadAt(buff[:], 8); n != 8 {
|
||||
return nil, errMalformed
|
||||
}
|
||||
|
||||
headerObjectSize := binary.LittleEndian.Uint32(buff[:4])
|
||||
if headerObjectSize != headerSize-4 {
|
||||
return nil, errMalformed
|
||||
}
|
||||
|
||||
headerStringSize = binary.LittleEndian.Uint32(buff[4:8])
|
||||
}
|
||||
|
||||
// read header string
|
||||
headerSection := io.NewSectionReader(ra, 8+8, int64(headerStringSize))
|
||||
baseOffset := 8 + int64(headerSize)
|
||||
baseOffset += baseOffset % 4 // pickle objects are uint32 aligned
|
||||
|
||||
root, err := decodeHeader(ra, headerSection, baseOffset)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return root, nil
|
||||
}
|
||||
|
|
@ -0,0 +1,91 @@
|
|||
package asar // import "layeh.com/asar"
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"io/ioutil"
|
||||
"os"
|
||||
"path/filepath"
|
||||
"testing"
|
||||
)
|
||||
|
||||
func TestExtractThis(t *testing.T) {
|
||||
f, err := os.Open("testdata/extractthis.asar")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
defer f.Close()
|
||||
|
||||
root, err := Decode(f)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
if root.Flags&FlagDir == 0 {
|
||||
t.Fatal("expecting root directory to have FlagDir")
|
||||
}
|
||||
|
||||
{
|
||||
f1 := root.Find("dir1", "file1.txt")
|
||||
if f1 == nil {
|
||||
t.Fatal("could not find dir1/file1.txt")
|
||||
}
|
||||
if f1.Path() != "dir1/file1.txt" {
|
||||
t.Fatal("unexpected path")
|
||||
}
|
||||
body, err := ioutil.ReadAll(f1.Open())
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if !bytes.Equal(body, []byte(`file one.`)) {
|
||||
t.Fatalf("dir1/file1.txt body is incorrect (got %s)", body)
|
||||
}
|
||||
}
|
||||
|
||||
{
|
||||
f2 := root.Find("dir2").Find("file3.txt")
|
||||
if f2 == nil {
|
||||
t.Fatal("could not find dir2/file3.txt")
|
||||
}
|
||||
s := f2.String()
|
||||
if s != `123` {
|
||||
t.Fatalf("dir2/file3.txt body is incorrect (got %s)", s)
|
||||
}
|
||||
}
|
||||
|
||||
{
|
||||
empty := root.Find("emptyfile.txt")
|
||||
if empty == nil {
|
||||
t.Fatal("could not find emptyfile.txt")
|
||||
}
|
||||
if len(empty.Bytes()) != 0 {
|
||||
t.Fatal("expecting emptyfile.txt to be empty")
|
||||
}
|
||||
}
|
||||
|
||||
{
|
||||
var i int
|
||||
root.Walk(func(_ string, _ os.FileInfo, _ error) error {
|
||||
i++
|
||||
return nil
|
||||
})
|
||||
|
||||
if i != 7 {
|
||||
t.Fatalf("expected to walk over 7 items, got %d", i)
|
||||
}
|
||||
}
|
||||
|
||||
{
|
||||
var i int
|
||||
root.Walk(func(_ string, fi os.FileInfo, _ error) error {
|
||||
i++
|
||||
if fi.IsDir() {
|
||||
return filepath.SkipDir
|
||||
}
|
||||
return nil
|
||||
})
|
||||
|
||||
if i != 4 {
|
||||
t.Fatalf("expected to walk over 4 items, got %d", i)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,2 @@
|
|||
// Package asar reads and writes ASAR (Atom-Shell Archive) archives.
|
||||
package asar // import "layeh.com/asar"
|
||||
|
|
@ -0,0 +1,122 @@
|
|||
package asar // import "layeh.com/asar"
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/binary"
|
||||
"encoding/json"
|
||||
"io"
|
||||
"strconv"
|
||||
)
|
||||
|
||||
type entryEncoder struct {
|
||||
Contents []io.Reader
|
||||
CurrentOffset int64
|
||||
Header bytes.Buffer
|
||||
Encoder *json.Encoder
|
||||
}
|
||||
|
||||
func (enc *entryEncoder) Write(v interface{}) {
|
||||
enc.Encoder.Encode(v)
|
||||
enc.Header.Truncate(enc.Header.Len() - 1) // cut off trailing new line
|
||||
}
|
||||
|
||||
func (enc *entryEncoder) WriteField(key string, v interface{}) {
|
||||
enc.Write(key)
|
||||
enc.Header.WriteByte(':')
|
||||
enc.Write(v)
|
||||
}
|
||||
|
||||
func (enc *entryEncoder) Encode(e *Entry) error {
|
||||
enc.Header.WriteByte('{')
|
||||
if e.Flags&FlagDir != 0 {
|
||||
enc.Write("files")
|
||||
enc.Header.WriteString(":{")
|
||||
for i, child := range e.Children {
|
||||
if i > 0 {
|
||||
enc.Header.WriteByte(',')
|
||||
}
|
||||
if !validFilename(child.Name) {
|
||||
panic(errHeader)
|
||||
}
|
||||
enc.Write(child.Name)
|
||||
enc.Header.WriteByte(':')
|
||||
if err := enc.Encode(child); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
enc.Header.WriteByte('}')
|
||||
} else {
|
||||
enc.Write("size")
|
||||
enc.Header.WriteByte(':')
|
||||
enc.Write(e.Size)
|
||||
|
||||
if e.Flags&FlagExecutable != 0 {
|
||||
enc.Header.WriteByte(',')
|
||||
enc.WriteField("executable", true)
|
||||
}
|
||||
|
||||
enc.Header.WriteByte(',')
|
||||
if e.Flags&FlagUnpacked == 0 {
|
||||
enc.WriteField("offset", strconv.FormatInt(enc.CurrentOffset, 10))
|
||||
enc.CurrentOffset += e.Size
|
||||
enc.Contents = append(enc.Contents, io.NewSectionReader(e.r, e.baseOffset, e.Size))
|
||||
} else {
|
||||
enc.WriteField("unpacked", true)
|
||||
}
|
||||
}
|
||||
enc.Header.WriteByte('}')
|
||||
return nil
|
||||
}
|
||||
|
||||
// EncodeTo writes an ASAR archive containing Entry's descendants. This function
|
||||
// is usally called on the root entry.
|
||||
func (e *Entry) EncodeTo(w io.Writer) (n int64, err error) {
|
||||
|
||||
defer func() {
|
||||
if r := recover(); r != nil {
|
||||
if e := r.(error); e != nil {
|
||||
err = e
|
||||
} else {
|
||||
panic(r)
|
||||
}
|
||||
}
|
||||
|
||||
}()
|
||||
|
||||
encoder := entryEncoder{}
|
||||
{
|
||||
var reserve [16]byte
|
||||
encoder.Header.Write(reserve[:])
|
||||
}
|
||||
encoder.Encoder = json.NewEncoder(&encoder.Header)
|
||||
if err = encoder.Encode(e); err != nil {
|
||||
return
|
||||
}
|
||||
|
||||
{
|
||||
var padding [3]byte
|
||||
encoder.Header.Write(padding[:encoder.Header.Len()%4])
|
||||
}
|
||||
|
||||
header := encoder.Header.Bytes()
|
||||
binary.LittleEndian.PutUint32(header[:4], 4)
|
||||
binary.LittleEndian.PutUint32(header[4:8], 8+uint32(encoder.Header.Len()))
|
||||
binary.LittleEndian.PutUint32(header[8:12], 4+uint32(encoder.Header.Len()))
|
||||
binary.LittleEndian.PutUint32(header[12:16], uint32(encoder.Header.Len()))
|
||||
|
||||
n, err = encoder.Header.WriteTo(w)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
|
||||
for _, chunk := range encoder.Contents {
|
||||
var written int64
|
||||
written, err = io.Copy(w, chunk)
|
||||
n += written
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
|
@ -0,0 +1,29 @@
|
|||
package asar // import "layeh.com/asar"
|
||||
|
||||
import (
|
||||
"io/ioutil"
|
||||
"strings"
|
||||
"testing"
|
||||
)
|
||||
|
||||
func TestEncodeInvalidName(t *testing.T) {
|
||||
root := New(".", nil, 0, 0, FlagDir)
|
||||
root.Children = append(
|
||||
root.Children,
|
||||
New(".", strings.NewReader("test"), 4, 0, FlagNone),
|
||||
)
|
||||
if _, err := root.EncodeTo(ioutil.Discard); err == nil {
|
||||
t.Fatal("we should have had an error")
|
||||
}
|
||||
}
|
||||
|
||||
func TestEncodeUnpacked(t *testing.T) {
|
||||
root := New(".", nil, 0, 0, FlagDir)
|
||||
root.Children = append(
|
||||
root.Children,
|
||||
New("sample", nil, 0, 0, FlagUnpacked),
|
||||
)
|
||||
if _, err := root.EncodeTo(ioutil.Discard); err != nil {
|
||||
t.Fatalf("err: %s", err)
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,227 @@
|
|||
package asar // import "layeh.com/asar"
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"io"
|
||||
"io/ioutil"
|
||||
"os"
|
||||
"path/filepath"
|
||||
"strings"
|
||||
"time"
|
||||
)
|
||||
|
||||
// Flag is a bit field of Entry flags.
|
||||
type Flag uint32
|
||||
|
||||
const (
|
||||
// FlagNone denotes an entry with no flags.
|
||||
FlagNone Flag = 0
|
||||
// FlagDir denotes a directory entry.
|
||||
FlagDir Flag = 1 << iota
|
||||
// FlagExecutable denotes a file with the executable bit set.
|
||||
FlagExecutable
|
||||
// FlagUnpacked denotes that the entry's contents are not included in
|
||||
// the archive.
|
||||
FlagUnpacked
|
||||
)
|
||||
|
||||
// Entry is a file or a folder in an ASAR archive.
|
||||
type Entry struct {
|
||||
Name string
|
||||
Size int64
|
||||
Offset int64
|
||||
Flags Flag
|
||||
Parent *Entry
|
||||
Children []*Entry
|
||||
|
||||
r io.ReaderAt
|
||||
baseOffset int64
|
||||
}
|
||||
|
||||
// New creates a new Entry.
|
||||
func New(name string, ra io.ReaderAt, size, offset int64, flags Flag) *Entry {
|
||||
return &Entry{
|
||||
Name: name,
|
||||
Size: size,
|
||||
Offset: offset,
|
||||
Flags: flags,
|
||||
|
||||
r: ra,
|
||||
}
|
||||
}
|
||||
|
||||
// FileInfo returns the os.FileInfo information about the entry.
|
||||
func (e *Entry) FileInfo() os.FileInfo {
|
||||
return fileInfo{e}
|
||||
}
|
||||
|
||||
type fileInfo struct {
|
||||
e *Entry
|
||||
}
|
||||
|
||||
func (f fileInfo) Name() string {
|
||||
return f.e.Name
|
||||
}
|
||||
|
||||
func (f fileInfo) Size() int64 {
|
||||
return f.e.Size
|
||||
}
|
||||
|
||||
func (f fileInfo) Mode() os.FileMode {
|
||||
if f.e.Flags&FlagDir != 0 {
|
||||
return 0555 | os.ModeDir
|
||||
}
|
||||
|
||||
if f.e.Flags&FlagExecutable != 0 {
|
||||
return 0555
|
||||
}
|
||||
|
||||
return 0444
|
||||
}
|
||||
|
||||
func (f fileInfo) ModTime() time.Time {
|
||||
return time.Time{}
|
||||
}
|
||||
|
||||
func (f fileInfo) IsDir() bool {
|
||||
return f.e.Flags&FlagDir != 0
|
||||
}
|
||||
|
||||
func (f fileInfo) Sys() interface{} {
|
||||
return f.e
|
||||
}
|
||||
|
||||
// Path returns the file path to the entry.
|
||||
//
|
||||
// For example, given the following tree structure:
|
||||
// root
|
||||
// - sub1
|
||||
// - sub2
|
||||
// - file2.jpg
|
||||
//
|
||||
// file2.jpg's path would be:
|
||||
// sub2/file2.jpg
|
||||
func (e *Entry) Path() string {
|
||||
if e.Parent == nil {
|
||||
return ""
|
||||
}
|
||||
|
||||
var p []string
|
||||
|
||||
for e != nil && e.Parent != nil {
|
||||
p = append(p, e.Name)
|
||||
e = e.Parent
|
||||
}
|
||||
|
||||
l := len(p) / 2
|
||||
for i := 0; i < l; i++ {
|
||||
j := len(p) - i - 1
|
||||
p[i], p[j] = p[j], p[i]
|
||||
}
|
||||
|
||||
return strings.Join(p, "/")
|
||||
}
|
||||
|
||||
// Open returns an *io.SectionReader of the entry's contents. nil is returned if
|
||||
// the entry cannot be opened (e.g. because it is a directory).
|
||||
func (e *Entry) Open() *io.SectionReader {
|
||||
if e.Flags&FlagDir != 0 || e.Flags&FlagUnpacked != 0 {
|
||||
return nil
|
||||
}
|
||||
return io.NewSectionReader(e.r, e.baseOffset+e.Offset, e.Size)
|
||||
}
|
||||
|
||||
// WriteTo writes the entry's contents to the given writer. nil is returned if the entry cannot
|
||||
// be opened (e.g. if the entry is a directory).
|
||||
func (e *Entry) WriteTo(w io.Writer) (n int64, err error) {
|
||||
r := e.Open()
|
||||
if r == nil {
|
||||
return 0, errors.New("asar: entry cannot be opened")
|
||||
}
|
||||
return io.Copy(w, r)
|
||||
}
|
||||
|
||||
// Bytes returns the entry's contents as a byte slice. nil is returned if the
|
||||
// entry cannot be read.
|
||||
func (e *Entry) Bytes() []byte {
|
||||
body := e.Open()
|
||||
if body == nil {
|
||||
return nil
|
||||
}
|
||||
b, err := ioutil.ReadAll(body)
|
||||
if err != nil {
|
||||
return nil
|
||||
}
|
||||
return b
|
||||
}
|
||||
|
||||
// Bytes returns the entry's contents as a string. nil is returned if the entry
|
||||
// cannot be read.
|
||||
func (e *Entry) String() string {
|
||||
body := e.Bytes()
|
||||
if body == nil {
|
||||
return ""
|
||||
}
|
||||
return string(body)
|
||||
}
|
||||
|
||||
// Find searches for a sub-entry of the current entry. nil is returned if the
|
||||
// requested sub-entry cannot be found.
|
||||
//
|
||||
// For example, given the following tree structure:
|
||||
// root
|
||||
// - sub1
|
||||
// - sub2
|
||||
// - sub2.1
|
||||
// - file2.jpg
|
||||
//
|
||||
// The following expression would return the .jpg *Entry:
|
||||
// root.Find("sub2", "sub2.1", "file2.jpg")
|
||||
func (e *Entry) Find(path ...string) *Entry {
|
||||
pathLoop:
|
||||
for _, name := range path {
|
||||
for _, child := range e.Children {
|
||||
if child.Name == name {
|
||||
e = child
|
||||
continue pathLoop
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
return e
|
||||
}
|
||||
|
||||
// Walk recursively walks over the entry's children. See filepath.Walk and
|
||||
// filepath.WalkFunc for more information.
|
||||
func (e *Entry) Walk(walkFn filepath.WalkFunc) error {
|
||||
return walk(e, "", walkFn)
|
||||
}
|
||||
|
||||
func walk(e *Entry, parentPath string, walkFn filepath.WalkFunc) error {
|
||||
for i := 0; i < len(e.Children); i++ {
|
||||
child := e.Children[i]
|
||||
childPath := parentPath + child.Name
|
||||
|
||||
err := walkFn(childPath, child.FileInfo(), nil)
|
||||
if err == filepath.SkipDir {
|
||||
continue
|
||||
}
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if child.Flags&FlagDir == 0 {
|
||||
continue
|
||||
}
|
||||
if err := walk(child, childPath+"/", walkFn); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func validFilename(filename string) bool {
|
||||
if filename == "." || filename == ".." {
|
||||
return false
|
||||
}
|
||||
return strings.IndexAny(filename, "\x00\\/") == -1
|
||||
}
|
||||
|
|
@ -0,0 +1,212 @@
|
|||
package asar // import "layeh.com/asar"
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"io"
|
||||
)
|
||||
|
||||
var (
|
||||
errHeader = errors.New("asar: invalid file header")
|
||||
)
|
||||
|
||||
type jsonReader struct {
|
||||
ASAR io.ReaderAt
|
||||
BaseOffset int64
|
||||
D *json.Decoder
|
||||
Token json.Token
|
||||
}
|
||||
|
||||
func (j *jsonReader) Peek() json.Token {
|
||||
if j.Token != nil {
|
||||
return j.Token
|
||||
}
|
||||
tkn, err := j.D.Token()
|
||||
if err != nil {
|
||||
if err == io.EOF {
|
||||
return nil
|
||||
}
|
||||
panic(err)
|
||||
}
|
||||
j.Token = tkn
|
||||
return tkn
|
||||
}
|
||||
|
||||
func (j *jsonReader) HasDelimRune(r rune) bool {
|
||||
peek := j.Peek()
|
||||
ru, ok := peek.(json.Delim)
|
||||
if !ok {
|
||||
return false
|
||||
}
|
||||
if rune(ru) != r {
|
||||
return false
|
||||
}
|
||||
return true
|
||||
}
|
||||
|
||||
func (j *jsonReader) Next() json.Token {
|
||||
if j.Token != nil {
|
||||
t := j.Token
|
||||
j.Token = nil
|
||||
return t
|
||||
}
|
||||
|
||||
tkn, err := j.D.Token()
|
||||
if err != nil {
|
||||
if err == io.EOF {
|
||||
return nil
|
||||
}
|
||||
panic(err)
|
||||
}
|
||||
return tkn
|
||||
}
|
||||
|
||||
func (j *jsonReader) NextDelimRune() rune {
|
||||
tkn := j.Next()
|
||||
r, ok := tkn.(json.Delim)
|
||||
if !ok {
|
||||
panic(errHeader)
|
||||
}
|
||||
return rune(r)
|
||||
}
|
||||
|
||||
func (j *jsonReader) ExpectDelim(r rune) {
|
||||
next := j.NextDelimRune()
|
||||
if next != r {
|
||||
panic(errHeader)
|
||||
}
|
||||
}
|
||||
|
||||
func (j *jsonReader) ExpectBool() bool {
|
||||
tkn := j.Next()
|
||||
b, ok := tkn.(bool)
|
||||
if !ok {
|
||||
panic(errHeader)
|
||||
}
|
||||
return b
|
||||
}
|
||||
|
||||
func (j *jsonReader) ExpectString() string {
|
||||
next := j.Next()
|
||||
str, ok := next.(string)
|
||||
if !ok {
|
||||
panic(errHeader)
|
||||
}
|
||||
return str
|
||||
}
|
||||
|
||||
func (j *jsonReader) ExpectStringVal(val string) {
|
||||
str := j.ExpectString()
|
||||
if str != val {
|
||||
panic(errHeader)
|
||||
}
|
||||
}
|
||||
|
||||
func (j *jsonReader) ExpectInt64() int64 {
|
||||
var number json.Number
|
||||
switch j.Peek().(type) {
|
||||
case string:
|
||||
number = json.Number(j.ExpectString())
|
||||
case json.Number:
|
||||
number = j.Next().(json.Number)
|
||||
default:
|
||||
panic(errHeader)
|
||||
}
|
||||
val, err := number.Int64()
|
||||
if err != nil {
|
||||
panic(errHeader)
|
||||
}
|
||||
return val
|
||||
}
|
||||
|
||||
func parseRoot(r *jsonReader) *Entry {
|
||||
entry := &Entry{
|
||||
Flags: FlagDir,
|
||||
}
|
||||
|
||||
r.ExpectDelim('{')
|
||||
r.ExpectStringVal("files")
|
||||
parseFiles(r, entry)
|
||||
r.ExpectDelim('}')
|
||||
if r.Next() != nil {
|
||||
panic(errHeader)
|
||||
}
|
||||
return entry
|
||||
}
|
||||
|
||||
func parseFiles(r *jsonReader, parent *Entry) {
|
||||
r.ExpectDelim('{')
|
||||
for !r.HasDelimRune('}') {
|
||||
parseEntry(r, parent)
|
||||
}
|
||||
r.ExpectDelim('}')
|
||||
}
|
||||
|
||||
func parseEntry(r *jsonReader, parent *Entry) {
|
||||
name := r.ExpectString()
|
||||
if name == "" {
|
||||
panic(errHeader)
|
||||
}
|
||||
if !validFilename(name) {
|
||||
panic(errHeader)
|
||||
}
|
||||
|
||||
r.ExpectDelim('{')
|
||||
|
||||
child := &Entry{
|
||||
Name: name,
|
||||
Parent: parent,
|
||||
}
|
||||
|
||||
for !r.HasDelimRune('}') {
|
||||
switch r.ExpectString() {
|
||||
case "files":
|
||||
child.Flags |= FlagDir
|
||||
parseFiles(r, child)
|
||||
case "size":
|
||||
child.Size = r.ExpectInt64()
|
||||
case "offset":
|
||||
child.Offset = r.ExpectInt64()
|
||||
case "unpacked":
|
||||
if r.ExpectBool() {
|
||||
child.Flags |= FlagUnpacked
|
||||
}
|
||||
case "executable":
|
||||
if r.ExpectBool() {
|
||||
child.Flags |= FlagExecutable
|
||||
}
|
||||
default:
|
||||
panic(errHeader)
|
||||
}
|
||||
}
|
||||
|
||||
if child.Flags&FlagDir == 0 {
|
||||
child.r = r.ASAR
|
||||
child.baseOffset = r.BaseOffset
|
||||
}
|
||||
|
||||
parent.Children = append(parent.Children, child)
|
||||
r.ExpectDelim('}')
|
||||
}
|
||||
|
||||
func decodeHeader(asar io.ReaderAt, header *io.SectionReader, offset int64) (entry *Entry, err error) {
|
||||
decoder := json.NewDecoder(header)
|
||||
decoder.UseNumber()
|
||||
reader := jsonReader{
|
||||
ASAR: asar,
|
||||
BaseOffset: offset,
|
||||
D: decoder,
|
||||
}
|
||||
defer func() {
|
||||
if r := recover(); r != nil {
|
||||
if e := r.(error); e != nil {
|
||||
err = e
|
||||
} else {
|
||||
panic(r)
|
||||
}
|
||||
}
|
||||
|
||||
}()
|
||||
entry = parseRoot(&reader)
|
||||
return
|
||||
}
|
||||
Loading…
Reference in New Issue