@netgrif/components-core
Version:
Netgrif Application engine frontend core Angular library
120 lines • 19.8 kB
JavaScript
import { Injectable } from '@angular/core';
import { AuthenticationModule } from '../../authentication/authentication.module';
import * as i0 from "@angular/core";
import * as i1 from "../../routing/redirect-service/redirect.service";
import * as i2 from "../../user/services/user.service";
import * as i3 from "../../configuration/configuration.service";
import * as i4 from "../../logger/services/logger.service";
export class RoleGuardService {
_redirectService;
_userService;
_configService;
_log;
_loginUrl;
constructor(_redirectService, _userService, _configService, _log) {
this._redirectService = _redirectService;
this._userService = _userService;
this._configService = _configService;
this._log = _log;
this._loginUrl = this._redirectService.resolveLoginPath();
}
canActivate(route, state) {
this._redirectService.intendedRoute = route;
const view = this._configService.getViewByUrl(state.url.toString());
return this.canAccessView(view, state.url.toString());
}
canAccessView(view, url) {
if (typeof view.access !== 'string' && (view.access.hasOwnProperty('role') || view.access.hasOwnProperty('bannedRole'))) {
if (view.access.hasOwnProperty('role') && view.access.hasOwnProperty('bannedRole')) {
const bannedRoles = this.parseRoleConstraints(view.access.bannedRole, url);
const allowedRoles = this.parseRoleConstraints(view.access.role, url);
if (bannedRoles.some(role => this.decideAccessByRole(role))) {
return false;
}
if (allowedRoles.length === 0) {
this._log.warn(`View at '${url}' defines role access constraint with an empty array!`
+ ` No users will be allowed to enter this view!`);
}
return allowedRoles.some(role => this.decideAccessByRole(role)); // user was not denied access by a banned role, they need at least one allowed role
}
if (view.access.hasOwnProperty('bannedRole')) {
const bannedRoles = this.parseRoleConstraints(view.access.bannedRole, url);
return !bannedRoles.some(constraint => {
return this.decideAccessByRole(constraint);
});
}
if (view.access.hasOwnProperty('role')) {
const allowedRoles = this.parseRoleConstraints(view.access.role, url);
if (allowedRoles.length === 0) {
this._log.warn(`View at '${url}' defines role access constraint with an empty array!`
+ ` No users will be allowed to enter this view!`);
}
return allowedRoles.some(constraint => {
return this.decideAccessByRole(constraint);
});
}
}
throw new Error('Role guard is declared for a view with no role guard configuration!'
+ ` Add role guard configuration for view at ${url}, or remove the guard.`);
}
parseRoleConstraints(roleConstrains, viewUrl) {
if (typeof roleConstrains === 'string') {
return this.parseStringRoleConstraints(roleConstrains);
}
if (Array.isArray(roleConstrains)) {
if (roleConstrains.length === 0) {
return [];
}
if (typeof roleConstrains[0] === 'string') {
return this.parseStringRoleConstraints(roleConstrains);
}
}
return this.parseObjectRoleConstrains(roleConstrains);
}
/**
* @deprecated in 5.0.0
*/
parseStringRoleConstraints(roleConstrains) {
if (!Array.isArray(roleConstrains)) {
roleConstrains = [roleConstrains];
}
this._log.warn('Using string role guard configuration is deprecated! Migrate to object based configuration instead.');
return roleConstrains.map(constraint => {
const splitRoleArray = constraint.split('.');
if (splitRoleArray.length === 2) {
return { processIdentifier: splitRoleArray[0], roleName: splitRoleArray[1] };
}
else {
throw new Error('Please enter the correct format <net import id>.<role name>');
}
});
}
parseObjectRoleConstrains(roleConstrains) {
if (!Array.isArray(roleConstrains)) {
roleConstrains = [roleConstrains];
}
return roleConstrains.map(constraint => {
if (!constraint.roleId || !constraint.processId) {
throw new Error('Please enter both process and role id for a role constraint: ' + constraint);
}
return { processIdentifier: constraint.processId, roleIdentifier: constraint.roleId };
});
}
decideAccessByRole(constraint) {
if (constraint.roleIdentifier) {
return this._userService.hasRoleByIdentifier(constraint.roleIdentifier, constraint.processIdentifier);
}
else {
return this._userService.hasRoleByName(constraint.roleName, constraint.processIdentifier);
}
}
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.3.12", ngImport: i0, type: RoleGuardService, deps: [{ token: i1.RedirectService }, { token: i2.UserService }, { token: i3.ConfigurationService }, { token: i4.LoggerService }], target: i0.ɵɵFactoryTarget.Injectable });
static ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "17.3.12", ngImport: i0, type: RoleGuardService, providedIn: AuthenticationModule });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.3.12", ngImport: i0, type: RoleGuardService, decorators: [{
type: Injectable,
args: [{
providedIn: AuthenticationModule
}]
}], ctorParameters: () => [{ type: i1.RedirectService }, { type: i2.UserService }, { type: i3.ConfigurationService }, { type: i4.LoggerService }] });
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{Injectable} from '@angular/core';\nimport {ActivatedRouteSnapshot, CanActivate, RouterStateSnapshot, UrlTree} from '@angular/router';\nimport {UserService} from '../../user/services/user.service';\nimport {AuthenticationModule} from '../../authentication/authentication.module';\nimport {RedirectService} from '../../routing/redirect-service/redirect.service';\nimport {ConfigurationService} from '../../configuration/configuration.service';\nimport {Access, RoleAccess, View} from '../../../commons/schema';\nimport {LoggerService} from '../../logger/services/logger.service';\nimport {Observable} from 'rxjs';\n\n\ninterface RoleConstraint {\n    processIdentifier: string;\n    roleIdentifier?: string;\n    roleName?: string;\n}\n\n@Injectable({\n    providedIn: AuthenticationModule\n})\nexport class RoleGuardService implements CanActivate {\n\n    private readonly _loginUrl: string;\n\n    constructor(protected _redirectService: RedirectService,\n                protected _userService: UserService,\n                protected _configService: ConfigurationService,\n                protected _log: LoggerService) {\n        this._loginUrl = this._redirectService.resolveLoginPath();\n    }\n\n    canActivate(route: ActivatedRouteSnapshot,\n                state: RouterStateSnapshot): Observable<boolean | UrlTree> | Promise<boolean | UrlTree> | boolean | UrlTree {\n        this._redirectService.intendedRoute = route;\n        const view = this._configService.getViewByUrl(state.url.toString());\n        return this.canAccessView(view, state.url.toString());\n    }\n\n    public canAccessView(view: View, url: string): boolean {\n        if (typeof view.access !== 'string' && (view.access.hasOwnProperty('role') || view.access.hasOwnProperty('bannedRole'))) {\n\n            if (view.access.hasOwnProperty('role') && view.access.hasOwnProperty('bannedRole')) {\n                const bannedRoles = this.parseRoleConstraints(view.access.bannedRole, url);\n                const allowedRoles = this.parseRoleConstraints(view.access.role, url);\n\n                if (bannedRoles.some(role => this.decideAccessByRole(role))) {\n                    return false;\n                }\n\n                if (allowedRoles.length === 0) {\n                    this._log.warn(`View at '${url}' defines role access constraint with an empty array!`\n                        + ` No users will be allowed to enter this view!`);\n                }\n                return allowedRoles.some(role => this.decideAccessByRole(role)); // user was not denied access by a banned role, they need at least one allowed role\n            }\n\n            if (view.access.hasOwnProperty('bannedRole')) {\n                const bannedRoles = this.parseRoleConstraints(view.access.bannedRole, url);\n                return !bannedRoles.some(constraint => {\n                    return this.decideAccessByRole(constraint);\n                });\n            }\n\n            if (view.access.hasOwnProperty('role')) {\n                const allowedRoles = this.parseRoleConstraints(view.access.role, url);\n                if (allowedRoles.length === 0) {\n                    this._log.warn(`View at '${url}' defines role access constraint with an empty array!`\n                        + ` No users will be allowed to enter this view!`);\n                }\n                return allowedRoles.some(constraint => {\n                    return this.decideAccessByRole(constraint);\n                });\n            }\n        }\n        throw new Error('Role guard is declared for a view with no role guard configuration!'\n            + ` Add role guard configuration for view at ${url}, or remove the guard.`);\n    }\n\n    protected parseRoleConstraints(roleConstrains: Access['role'] | Access['bannedRole'], viewUrl: string): Array<RoleConstraint> {\n        if (typeof roleConstrains === 'string') {\n            return this.parseStringRoleConstraints(roleConstrains);\n        }\n        if (Array.isArray(roleConstrains)) {\n            if (roleConstrains.length === 0) {\n                return [];\n            }\n            if (typeof roleConstrains[0] === 'string') {\n                return this.parseStringRoleConstraints(roleConstrains as Array<string>);\n            }\n        }\n        return this.parseObjectRoleConstrains(roleConstrains as RoleAccess | Array<RoleAccess>);\n    }\n\n    /**\n     * @deprecated in 5.0.0\n     */\n    protected parseStringRoleConstraints(roleConstrains: string | Array<string>): Array<RoleConstraint> {\n        if (!Array.isArray(roleConstrains)) {\n            roleConstrains = [roleConstrains];\n        }\n\n        this._log.warn('Using string role guard configuration is deprecated! Migrate to object based configuration instead.');\n\n        return roleConstrains.map(constraint => {\n            const splitRoleArray = constraint.split('.');\n            if (splitRoleArray.length === 2) {\n                return {processIdentifier: splitRoleArray[0], roleName: splitRoleArray[1]};\n            } else {\n                throw new Error('Please enter the correct format <net import id>.<role name>');\n            }\n        });\n    }\n\n    protected parseObjectRoleConstrains(roleConstrains: RoleAccess | Array<RoleAccess>): Array<RoleConstraint> {\n        if (!Array.isArray(roleConstrains)) {\n            roleConstrains = [roleConstrains];\n        }\n\n        return roleConstrains.map(constraint => {\n            if (!constraint.roleId || !constraint.processId) {\n                throw new Error('Please enter both process and role id for a role constraint: ' + constraint);\n            }\n            return {processIdentifier: constraint.processId, roleIdentifier: constraint.roleId};\n        });\n    }\n\n    private decideAccessByRole(constraint: RoleConstraint): boolean {\n        if (constraint.roleIdentifier) {\n            return this._userService.hasRoleByIdentifier(constraint.roleIdentifier, constraint.processIdentifier);\n        } else {\n            return this._userService.hasRoleByName(constraint.roleName, constraint.processIdentifier);\n        }\n    }\n\n}\n"]}