105 строки
3.2 KiB
C++
105 строки
3.2 KiB
C++
/* Copyright (c) 2018 Albert S.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include <optional>
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#include "handlerpage.h"
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Response HandlerPage::handle(const Request &r)
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{
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std::string pagename = r.get("page");
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auto pageDao = this->database->createPageDao();
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if(pagename.empty())
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{
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std::string title = r.get("title");
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if(title.empty())
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{
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return errorResponse("No page given", "No page given to request");
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}
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title = utils::strreplace(title, "-", " ");
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auto page = pageDao->findByTitle(title);
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if(!page)
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{
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return errorResponse("No page by such title", "No page with such title exists");
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}
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pagename = page->name;
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}
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if(pageMustExist() && !pageDao->exists(pagename))
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{
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std::string createlink = this->urlProvider->editPage(pagename);
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return errorResponse(
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"Page not found",
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"The requested page was not found. Do you want to <a href=\"" + createlink + "\">create</a> it?", 404);
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}
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if(!canAccess(pagename))
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{
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return errorResponse("Permission denied", accessErrorMessage());
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}
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return this->handleRequest(*pageDao, pagename, r);
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}
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std::string HandlerPage::accessErrorMessage()
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{
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return "You don't have permission to access this page";
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}
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bool HandlerPage::pageMustExist()
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{
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return true;
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}
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void HandlerPage::setPageVars(TemplatePage &page, std::string pagename)
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{
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setGeneralVars(page);
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if(!pagename.empty())
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{
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std::string headerlinks;
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TemplatePage headerlink = this->templ->getPage("_headerlink");
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auto addHeaderLink = [&headerlinks, &headerlink](std::string href, std::string value)
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{
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headerlink.setVar("href", href);
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headerlink.setVar("value", value);
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headerlinks += headerlink.render();
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};
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Permissions &perms = this->userSession->user.permissions;
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if(perms.canEdit())
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{
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addHeaderLink(this->urlProvider->editPage(pagename), "Edit");
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addHeaderLink(this->urlProvider->pageSettings(pagename), "Page settings");
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}
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if(perms.canDelete())
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{
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addHeaderLink(this->urlProvider->pageDelete(pagename), "Delete");
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}
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if(perms.canSeePageHistory())
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{
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addHeaderLink(this->urlProvider->pageHistory(pagename), "Show history");
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}
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page.setVar("headerlinks", headerlinks);
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page.setVar("page", pagename);
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page.setVar("title", createPageTitle(pagename));
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}
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}
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