New Packet.lua format, test parsing and entire new lua ecossystem

cmd/main.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"runtime"
+
+	"github.com/roboogg133/packets/pkg/packet.lua.d"
+)
+
+func main() {
+	f, err := os.ReadFile("test/bat/Packet.lua")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	pk, err := packet.ReadPacket(f, nil)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Println(
+		pk.Name,
+		pk.Description,
+	)
+
+	if pk.Plataforms == nil {
+		fmt.Print("NIGGER NIGGER NIGGER NIGGER NIGGER NIGGER")
+		return
+	}
+	plataforms := *pk.Plataforms
+
+	for _, v := range *plataforms[packet.OperationalSystem(runtime.GOOS)].Sources {
+		fmt.Printf("%s %s\n", v.Method, v.Url)
+		if v.Method == "GET" {
+			fmt.Println(*v.Specs.(packet.GETSpecs).SHA256)
+		}
+	}
+}

go.mod

@@ -0,0 +1,7 @@
+module github.com/roboogg133/packets
+
+go 1.25.3
+
+require github.com/yuin/gopher-lua v1.1.1
+
+require github.com/klauspost/compress v1.18.1

go.sum

@@ -0,0 +1,4 @@
+github.com/klauspost/compress v1.18.1 h1:bcSGx7UbpBqMChDtsF28Lw6v/G94LPrrbMbdC3JH2co=
+github.com/klauspost/compress v1.18.1/go.mod h1:ZQFFVG+MdnR0P+l6wpXgIL4NTtwiKIdBnrBd8Nrxr+0=
+github.com/yuin/gopher-lua v1.1.1 h1:kYKnWBjvbNP4XLT3+bPEwAXJx262OhaHDWDVOPjL46M=
+github.com/yuin/gopher-lua v1.1.1/go.mod h1:GBR0iDaNXjAgGg9zfCvksxSRnQx76gclCIb7kdAd1Pw=

main.go

@@ -0,0 +1,10 @@
+package main
+
+import (
+	"fmt"
+	"runtime"
+)
+
+func main() {
+	fmt.Println(runtime.GOARCH)
+}

pkg/packet.lua.d/auxiliar_functions.go

@@ -0,0 +1,289 @@
+package packet
+
+import (
+	"strings"
+
+	lua "github.com/yuin/gopher-lua"
+)
+
+func getStringFromTable(table *lua.LTable, key string) string {
+	value := table.RawGetString(key)
+	if value.Type() == lua.LTString {
+		return value.String()
+	}
+	return ""
+}
+
+func getIntFromTable(table *lua.LTable, key string) int {
+	value := table.RawGetString(key)
+	if value.Type() == lua.LTNumber {
+		if num, ok := value.(lua.LNumber); ok {
+			return int(num)
+		}
+	}
+	return -133
+}
+
+func getStringArrayFromTable(table *lua.LTable, key string) []string {
+	value := table.RawGetString(key)
+	if value.Type() != lua.LTTable {
+		return []string{}
+	}
+
+	arrayTable := value.(*lua.LTable)
+	var result []string
+
+	arrayTable.ForEach(func(_, value lua.LValue) {
+		if value.Type() == lua.LTString {
+			result = append(result, value.String())
+		}
+	})
+
+	return result
+}
+
+func getFunctionFromTable(table *lua.LTable, key string) *lua.LFunction {
+	value := table.RawGetString(key)
+	if value.Type() == lua.LTFunction {
+		return value.(*lua.LFunction)
+	}
+	return nil
+}
+
+type version struct {
+	Name       string
+	Constraint VersionConstraint
+}
+
+func getDependenciesFromTable(table *lua.LTable, key string) *PkgDependencies {
+	value := table.RawGetString(key)
+	if value.Type() != lua.LTTable {
+		return &PkgDependencies{}
+	}
+
+	var pkgDeps PkgDependencies
+
+	depnTable := value.(*lua.LTable)
+
+	pkgDeps.RuntimeDependencies = depsParse(depnTable, "runtime")
+	pkgDeps.BuildDependencies = depsParse(depnTable, "build")
+	pkgDeps.Conflicts = depsParse(depnTable, "conflicts")
+
+	return &pkgDeps
+}
+
+func getSourcesFromTable(table *lua.LTable, key string) *[]Source {
+	value := table.RawGetString(key)
+	if value.Type() != lua.LTTable {
+		return nil
+	}
+
+	var srcList []Source
+
+	srcTable := value.(*lua.LTable)
+
+	srcTable.ForEach(func(_, value lua.LValue) {
+		if value.Type() == lua.LTTable {
+			src := value.(*lua.LTable)
+
+			var srcInfo Source
+
+			method := src.RawGetString("method")
+			if method.Type() == lua.LTString {
+				srcInfo.Method = method.String()
+			}
+
+			url := src.RawGetString("url")
+
+			if url.Type() == lua.LTString {
+				srcInfo.Url = url.String()
+			}
+
+		switchlabel:
+			switch srcInfo.Method {
+			case "GET":
+				var getSpecs GETSpecs
+
+				getSpecs.SHA256 = new(string)
+				sha256sumL := src.RawGetString("sha256")
+				if sha256sumL.Type() == lua.LTString {
+					*getSpecs.SHA256 = sha256sumL.String()
+				}
+
+				headersLT := src.RawGetString("headers")
+				if headersLT.Type() == lua.LTTable {
+
+					headers := headersLT.(*lua.LTable)
+
+					tmpMap := make(map[string]string)
+					headers.ForEach(func(headerKey, value lua.LValue) {
+						if value.Type() == lua.LTString {
+							tmpMap[headerKey.String()] = value.String()
+						}
+					})
+
+					getSpecs.Headers = &tmpMap
+				}
+				srcInfo.Specs = getSpecs
+				break switchlabel
+
+			case "git":
+				var gitSpecs GitSpecs
+
+				branchL := src.RawGetString("branch")
+
+				if branchL.Type() == lua.LTString {
+					gitSpecs.Branch = branchL.String()
+				}
+
+				tagL := src.RawGetString("tag")
+
+				if tagL.Type() == lua.LTString {
+					*gitSpecs.Tag = tagL.String()
+				}
+
+				srcInfo.Specs = gitSpecs
+				break switchlabel
+			case "POST":
+				var postSpecs POSTSpecs
+
+				sha256sumL := src.RawGetString("sha256")
+				if sha256sumL.Type() == lua.LTString {
+					*postSpecs.SHA256 = sha256sumL.String()
+				}
+
+				headersLT := src.RawGetString("headers")
+				if headersLT.Type() == lua.LTTable {
+
+					headers := headersLT.(*lua.LTable)
+
+					tmpMap := make(map[string]string)
+					headers.ForEach(func(headerKey, value lua.LValue) {
+						if value.Type() == lua.LTString {
+							tmpMap[headerKey.String()] = value.String()
+						}
+					})
+
+					postSpecs.Headers = &tmpMap
+				}
+
+				bodyLt := src.RawGetString("body")
+
+				if bodyLt.Type() == lua.LTString {
+					*postSpecs.Body = bodyLt.String()
+				}
+
+				srcInfo.Specs = postSpecs
+				break switchlabel
+			}
+			srcList = append(srcList, srcInfo)
+		}
+	})
+
+	return &srcList
+}
+
+func getPlataformsFromTable(table *lua.LTable, key string) *map[OperationalSystem]Plataform {
+	value := table.RawGetString(key)
+
+	if value.Type() != lua.LTTable {
+		return nil
+	}
+
+	tmpMap := make(map[OperationalSystem]Plataform)
+
+	plataform := value.(*lua.LTable)
+
+	plataform.ForEach(func(osString, value lua.LValue) {
+		if value.Type() != lua.LTTable {
+			return
+		}
+
+		var plat Plataform
+		plat.Architetures = getStringArrayFromTable(value.(*lua.LTable), "arch")
+		plat.Name = osString.String()
+		plat.Sources = getSourcesFromTable(value.(*lua.LTable), "sources")
+		plat.Dependencies = getDependenciesFromTable(value.(*lua.LTable), "dependencies")
+
+		tmpMap[OperationalSystem(osString.String())] = plat
+	})
+
+	if len(tmpMap) == 0 {
+		return nil
+	}
+
+	return &tmpMap
+}
+
+func depsParse(depnTable *lua.LTable, key string) *map[string]*VersionConstraint {
+	if runLTable := depnTable.RawGetString(key); runLTable.Type() == lua.LTTable {
+		runtimeTable := runLTable.(*lua.LTable)
+
+		mapTemp := make(map[string]*VersionConstraint)
+
+		var found bool
+
+		runtimeTable.ForEach(func(_, value lua.LValue) {
+			if value.Type() == lua.LTString {
+				version := parseVersionString(value.String())
+				mapTemp[version.Name] = &version.Constraint
+				found = true
+			}
+		})
+		if !found {
+			return nil
+		} else {
+			return &mapTemp
+		}
+
+	}
+	return nil
+}
+
+func parseVersionString(s string) version {
+	// >=go@1.25.3 | <=go@1.25.3 | go | >go@1.25.3 | <go@1.25.3 | go@1.25.3
+	if strings.ContainsAny(s, "@") {
+		slice := strings.Split(s, "@")
+
+		switch {
+		case !strings.ContainsAny(s, "<=>"):
+			return version{
+				Name:       slice[0],
+				Constraint: VersionConstraint(slice[1]),
+			}
+		case s[0] == '>' && s[1] == '=':
+
+			return version{
+				Name:       slice[0][2:],
+				Constraint: VersionConstraint(">=" + slice[1]),
+			}
+		case s[0] == '<' && s[1] == '=':
+
+			return version{
+				Name:       slice[0][2:],
+				Constraint: VersionConstraint("<=" + slice[1]),
+			}
+
+		case s[0] == '>' && s[1] != '=':
+
+			return version{
+				Name:       slice[0][1:],
+				Constraint: VersionConstraint(">" + slice[1]),
+			}
+		case s[0] == '<' && s[1] != '=':
+
+			return version{
+				Name:       slice[0][1:],
+				Constraint: VersionConstraint("<" + slice[1]),
+			}
+		}
+
+	} else if !strings.ContainsAny(s, "@=<>") {
+		return version{
+			Name:       s,
+			Constraint: VersionConstraint(0x000),
+		}
+	}
+
+	return version{}
+}

pkg/packet.lua.d/config.go

@@ -0,0 +1,24 @@
+package packet
+
+type Config struct {
+	BinDir string
+}
+
+const defaultBinDir = "/usr/bin"
+
+func checkConfig(cfg *Config) *Config {
+
+	if cfg == nil {
+		return &Config{
+			BinDir: defaultBinDir,
+		}
+	}
+	if cfg.BinDir == "" {
+		return &Config{
+			BinDir: defaultBinDir,
+		}
+	} else {
+		return cfg
+	}
+
+}

pkg/packet.lua.d/main.go

@@ -0,0 +1,166 @@
+package packet
+
+import (
+	"archive/tar"
+	"errors"
+	"fmt"
+	"io"
+	"path/filepath"
+	"runtime"
+
+	"github.com/klauspost/compress/zstd"
+
+	lua "github.com/yuin/gopher-lua"
+)
+
+type OperationalSystem string
+
+type PacketLua struct {
+	Name        string
+	Version     string
+	Maintaner   string
+	Description string
+	Serial      int
+
+	Plataforms         *map[OperationalSystem]Plataform
+	GlobalSources      *[]Source
+	GlobalDependencies *PkgDependencies
+
+	Build *lua.LFunction
+	Pkg   *lua.LFunction
+}
+
+type Source struct {
+	Method string
+	Url    string
+	Specs  interface{}
+}
+
+type VersionConstraint string
+
+type PkgDependencies struct {
+	RuntimeDependencies *map[string]*VersionConstraint
+	BuildDependencies   *map[string]*VersionConstraint
+	Conflicts           *map[string]*VersionConstraint
+}
+
+type Plataform struct {
+	Name         string
+	Architetures []string
+	Sources      *[]Source
+	Dependencies *PkgDependencies
+}
+
+type GitSpecs struct {
+	Branch string
+	Tag    *string
+}
+
+type POSTSpecs struct {
+	SHA256  *string
+	Body    *string
+	Headers *map[string]string
+}
+
+type GETSpecs struct {
+	SHA256  *string
+	Headers *map[string]string
+}
+
+var ErrCantFindPacketDotLua = errors.New("can't find Packet.lua in .tar.zst file")
+var ErrFileDontReturnTable = errors.New("invalid Packet.lua format: the file do not return a table")
+var ErrCannotFindPackageTable = errors.New("invalid Packet.lua format: can't find package table")
+
+// ReadPacket read a Packet.lua and alredy set global vars
+func ReadPacket(f []byte, cfg *Config) (PacketLua, error) {
+	cfg = checkConfig(cfg)
+
+	L := lua.NewState()
+	defer L.Close()
+
+	osObject := L.GetGlobal("os").(*lua.LTable)
+	ioObject := L.GetGlobal("io").(*lua.LTable)
+
+	L.SetGlobal("os", lua.LNil)
+	L.SetGlobal("io", lua.LNil)
+
+	L.SetGlobal("BIN_DIR", lua.LString(cfg.BinDir))
+	L.SetGlobal("CURRENT_ARCH", lua.LString(runtime.GOARCH))
+	L.SetGlobal("CURRENT_PLATAFORM", lua.LString(runtime.GOOS))
+
+	if err := L.DoString(string(f)); err != nil {
+		return PacketLua{}, err
+	}
+
+	L.SetGlobal("os", osObject)
+	L.SetGlobal("io", ioObject)
+
+	tableLua := L.Get(-1)
+
+	if tableLua.Type() != lua.LTTable {
+		return PacketLua{}, ErrFileDontReturnTable
+	}
+
+	table := tableLua.(*lua.LTable)
+
+	pkgTableLua := table.RawGetString("package")
+	if pkgTableLua.Type() != lua.LTTable {
+		return PacketLua{}, ErrCannotFindPackageTable
+	}
+	pkgTable := pkgTableLua.(*lua.LTable)
+
+	packetLua := &PacketLua{
+		Name:        getStringFromTable(pkgTable, "name"),
+		Version:     getStringFromTable(pkgTable, "version"),
+		Maintaner:   getStringFromTable(pkgTable, "maintainer"),
+		Description: getStringFromTable(pkgTable, "description"),
+		Serial:      getIntFromTable(pkgTable, "serial"),
+
+		Plataforms: getPlataformsFromTable(pkgTable, "plataforms"),
+
+		GlobalDependencies: getDependenciesFromTable(pkgTable, "build_dependencies"),
+		GlobalSources:      getSourcesFromTable(pkgTable, "sources"),
+
+		Build: getFunctionFromTable(table, "build"),
+		Pkg:   getFunctionFromTable(table, "pkg"),
+	}
+
+	if packetLua.Pkg == nil {
+		return PacketLua{}, fmt.Errorf("pkg() does not exist")
+	}
+
+	return *packetLua, nil
+}
+
+func ReadPacketFromZSTDF(file io.Reader, cfg *Config) (PacketLua, error) {
+	cfg = checkConfig(cfg)
+
+	zstdReader, err := zstd.NewReader(file)
+	if err != nil {
+		return PacketLua{}, err
+	}
+	defer zstdReader.Close()
+
+	tarReader := tar.NewReader(zstdReader)
+	for {
+		header, err := tarReader.Next()
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			return PacketLua{}, err
+		}
+
+		if filepath.Base(header.Name) == "Packet.lua" {
+
+			packageLuaBlob, err := io.ReadAll(tarReader)
+			if err != nil {
+				return PacketLua{}, err
+			}
+
+			return ReadPacket(packageLuaBlob, cfg)
+		}
+
+	}
+	return PacketLua{}, ErrCantFindPacketDotLua
+}

test/Packet.lua

@@ -1,59 +0,0 @@
-return {
-    package = {
-        name = "bat-bin",
-        version = "0.26.0",
-        mantainer = "robogg133",
-        description = "fast, opensource, easy to use package manager.",
-        serial = 0,
-
-        plataforms = {
-            windows = {
-                arch = {"x86_64"},
-                sources = {
-                    ["https://github.com/sharkdp/bat/releases/download/v0.26.0/bat-v0.26.0-aarch64-unknown-linux-gnu.tar.gz"] = {method = "GET"}
-                },
-                dependencies = {
-                    build = {},
-                    runtime = {},
-                    conflicts = {}
-                }
-            },
-            linux = {
-                arch = {"x86_64"},
-                sources = {
-                    ["https://github.com/sharkdp/bat/releases/download/v0.26.0/bat-v0.26.0-aarch64-unknown-linux-gnu.tar.gz"] = {method = "GET"}
-                },
-                dependencies = {
-                    build = {},
-                    runtime = {},
-                    conflicts = {}
-                }
-            },
-            all = {
-                sources = {}
-            }
-        },
-
-
-
-    },
-    
-    
-    prepare = function(container)
-        git.clone("https://github.com/roboogg133/packets.git", container.dir("/data"))
-        os.remove(container.dir("/data/.git"))
-
-    end,
-    
-    build = function()
-        os.execute("go build ./data/cmd/packets")
-    end,
-    
-    install = function(container)
-        os.copy(container.dir("./packets"), BIN_DIR)
-    end,
-
-    remove = function ()
-        os.remove(path_join(BIN_DIR, "packets"))
-    end
-}

test/bat/Packet.lua

@@ -0,0 +1,61 @@
+local arch_map = {
+    amd64 = "x86_64",
+    aarch64 = "aarch64",
+    arm64 = "aarch64",
+    ['386'] = "i686" 
+}
+local srcarch = arch_map[CURRENT_ARCH]
+
+return {
+    package = {
+        name = "bat-bin", -- required
+        version = "0.26.0", -- required
+        maintainer = "robogg133", -- required
+        description = "A cat(1) clone with syntax highlighting and Git integration.", -- required
+        serial = 0,-- required
+
+        plataforms = {
+            windows = {
+                arch = {"amd64"},
+                sources = {
+                    {
+                        url = "https://github.com/sharkdp/bat/releases/download/v0.26.0/bat-v0.26.0-" ..srcarch .."-pc-windows-msvc.zip",
+                        method = "GET",
+                        sha256="a8a6862f14698b45e101b0932c69bc47a007f4c0456f3a129fdcef54d443d501"
+                    }
+                },
+                dependencies = {
+                    build = {},
+                    runtime = {},
+                    conflicts = {}
+                }
+            },
+            linux = {
+                arch = {"amd64"},
+                sources = {
+                    {
+                        url = "https://github.com/sharkdp/bat/releases/download/v0.26.0/bat-v0.26.0-".. srcarch .."-unknown-linux-gnu.tar.gz",
+                        method = "GET",
+                        sha256 = "7efed0c768fae36f18ddbbb4a38f5c4b64db7c55a170dfc89fd380805809a44b"
+                    }
+                },
+                dependencies = {
+                    build = {},
+                    runtime = {},
+                    conflicts = {}
+                }
+            }
+        },
+
+        sources = {}
+
+    },
+        
+    build = function() 
+    end,
+    
+    pkg = function() -- required 
+    print("oi amores")
+    end,
+
+}

test/utctimerightnow/Packet.lua

@@ -0,0 +1,42 @@
+local arch_map = {
+    amd64 = "x86_64",
+    aarch64 = "aarch64",
+    arm64 = "aarch64",
+    ['386'] = "i686" 
+}
+local srcarch = arch_map[CURRENT_ARCH]
+
+return {
+    package = {
+        name = "utctimerightnow", -- required
+        version = "0.1.0", -- required
+        maintainer = "robogg133", -- required
+        description = "shows utc time", -- required
+        serial = 0,-- required
+
+        dependencies = {
+            build = {"go"},
+            runtime = {},
+            conflicts = {}
+        },
+
+        sources = { --optional 
+            { 
+                url = "https://git.opentty.xyz/robogg133/utctimerightnow.git", -- required
+                method = "git", -- required
+                branch = "main" -- required 
+            --  tag = ""
+            }
+        }
+
+    },
+        
+    build = function()
+
+    end,
+    
+    pkg  = function() -- required 
+    print("goku")
+    end,
+
+}