How to use checkAccessLevel method of main Package

Best Syzkaller code snippet using main.checkAccessLevel

access.go

Source:access.go

...25		panic(fmt.Sprintf("bad access level %v", access))26	}27}28var ErrAccess = errors.New("unauthorized")29func checkAccessLevel(c context.Context, r *http.Request, level AccessLevel) error {30	if accessLevel(c, r) >= level {31		return nil32	}33	if u := user.Current(c); u != nil {34		// Log only if user is signed in. Not-signed-in users are redirected to login page.35		log.Errorf(c, "unauthorized access: %q [%q] access level %v", u.Email, u.AuthDomain, level)36	}37	return ErrAccess38}39// AuthDomain is broken in AppEngine tests.40var isBrokenAuthDomainInTest = false41func accessLevel(c context.Context, r *http.Request) AccessLevel {42	if user.IsAdmin(c) {43		switch r.FormValue("access") {44		case "public":45			return AccessPublic46		case "user":47			return AccessUser48		}49		return AccessAdmin50	}51	u := user.Current(c)52	if u == nil ||53		// Devappserver does not pass AuthDomain.54		u.AuthDomain != "gmail.com" && !isBrokenAuthDomainInTest ||55		!strings.HasSuffix(u.Email, config.AuthDomain) {56		return AccessPublic57	}58	return AccessUser59}60func checkTextAccess(c context.Context, r *http.Request, tag string, id int64) (*Bug, *Crash, error) {61	switch tag {62	default:63		return nil, nil, checkAccessLevel(c, r, AccessAdmin)64	case textPatch:65		return nil, nil, checkJobTextAccess(c, r, "Patch", id)66	case textLog:67		return nil, nil, checkJobTextAccess(c, r, "Log", id)68	case textError:69		return nil, nil, checkJobTextAccess(c, r, "Error", id)70	case textKernelConfig:71		// This is checked based on text namespace.72		return nil, nil, nil73	case textCrashLog:74		// Log and Report can be attached to a Crash or Job.75		bug, crash, err := checkCrashTextAccess(c, r, "Log", id)76		if err == nil || err == ErrAccess {77			return bug, crash, err78		}79		return nil, nil, checkJobTextAccess(c, r, "CrashLog", id)80	case textCrashReport:81		bug, crash, err := checkCrashTextAccess(c, r, "Report", id)82		if err == nil || err == ErrAccess {83			return bug, crash, err84		}85		return nil, nil, checkJobTextAccess(c, r, "CrashReport", id)86	case textReproSyz:87		return checkCrashTextAccess(c, r, "ReproSyz", id)88	case textReproC:89		return checkCrashTextAccess(c, r, "ReproC", id)90	case textMachineInfo:91		// MachineInfo is deduplicated, so we can't find the exact crash/bug.92		// But since machine info is usually the same for all bugs and is not secret,93		// it's fine to check based on the namespace.94		return nil, nil, nil95	}96}97func checkCrashTextAccess(c context.Context, r *http.Request, field string, id int64) (*Bug, *Crash, error) {98	var crashes []*Crash99	keys, err := db.NewQuery("Crash").100		Filter(field+"=", id).101		GetAll(c, &crashes)102	if err != nil {103		return nil, nil, fmt.Errorf("failed to query crashes: %v", err)104	}105	if len(crashes) != 1 {106		err := fmt.Errorf("checkCrashTextAccess: found %v crashes for %v=%v", len(crashes), field, id)107		if len(crashes) == 0 {108			err = fmt.Errorf("%v: %w", err, ErrClientNotFound)109		}110		return nil, nil, err111	}112	crash := crashes[0]113	bug := new(Bug)114	if err := db.Get(c, keys[0].Parent(), bug); err != nil {115		return nil, nil, fmt.Errorf("failed to get bug: %v", err)116	}117	bugLevel := bug.sanitizeAccess(accessLevel(c, r))118	return bug, crash, checkAccessLevel(c, r, bugLevel)119}120func checkJobTextAccess(c context.Context, r *http.Request, field string, id int64) error {121	keys, err := db.NewQuery("Job").122		Filter(field+"=", id).123		KeysOnly().124		GetAll(c, nil)125	if err != nil {126		return fmt.Errorf("failed to query jobs: %v", err)127	}128	if len(keys) != 1 {129		err := fmt.Errorf("checkJobTextAccess: found %v jobs for %v=%v", len(keys), field, id)130		if len(keys) == 0 {131			// This can be triggered by bad user requests, so don't log the error.132			err = fmt.Errorf("%v: %w", err, ErrClientNotFound)133		}134		return err135	}136	bug := new(Bug)137	if err := db.Get(c, keys[0].Parent(), bug); err != nil {138		return fmt.Errorf("failed to get bug: %v", err)139	}140	bugLevel := bug.sanitizeAccess(accessLevel(c, r))141	return checkAccessLevel(c, r, bugLevel)142}143func (bug *Bug) sanitizeAccess(currentLevel AccessLevel) AccessLevel {144	for ri := len(bug.Reporting) - 1; ri >= 0; ri-- {145		bugReporting := &bug.Reporting[ri]146		if ri == 0 || !bugReporting.Reported.IsZero() {147			ns := config.Namespaces[bug.Namespace]148			bugLevel := ns.ReportingByName(bugReporting.Name).AccessLevel149			if currentLevel < bugLevel {150				if bug.Status == BugStatusInvalid ||151					bug.Status == BugStatusFixed || len(bug.Commits) != 0 {152					// Invalid and fixed bugs are visible in all reportings,153					// however, without previous reporting private information.154					lastLevel := ns.Reporting[len(ns.Reporting)-1].AccessLevel155					if currentLevel >= lastLevel {...

checkAccessLevel

Using AI Code Generation

1import (2func main() {3    fmt.Println(checkAccessLevel(1))4    fmt.Println(checkAccessLevel(2))5    fmt.Println(checkAccessLevel(3))6    fmt.Println(checkAccessLevel(4))7}

checkAccessLevel

Using AI Code Generation

1import (2func main() {3	fmt.Println(checkAccessLevel(0))4	fmt.Println(checkAccessLevel(1))5	fmt.Println(checkAccessLevel(2))6	fmt.Println(checkAccessLevel(3))

checkAccessLevel

Using AI Code Generation

1import (2func main() {3    fmt.Println("Access Level: ", checkAccessLevel(5))4}5import (6func checkAccessLevel(level int) string {7    if level > 5 {8    } else if level > 3 {9    } else {10    }11}

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