File: index.cpp

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/*
Copyright (©) 2003-2025 Teus Benschop.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/


#include <setup/index.h>
#include <assets/view.h>
#include <assets/page.h>
#include <webserver/request.h>
#include <filter/roles.h>
#include <filter/string.h>
#include <filter/url.h>
#include <index/index.h>
#include <demo/logic.h>
#include <config/globals.h>
#include <database/config/general.h>
#include <setup/logic.h>


// Returns a html page with a Bibledit splash screen.
// In case of $refresh, it refreshes to the home page.
std::string notice{};
const char * setup_initialization_notice ()
{
  // Use http://base64online.org/encode/ to convert an image to inline graphic data.
  
  notice =
  "<!DOCTYPE html>\n"
  "<html>\n"
  "<head>\n"
  "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />\n"
  "<meta http-equiv=\"refresh\" content=\"2;URL=/index/index\" />\n"
  "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n"
  "<title>Setup</title>\n"
  "<style>\n"
  ".splash {\n"
  " height: 100%;\n"
  " width: 100%;\n"
  " background: radial-gradient(red, yellow, white);\n"
  " position: absolute;\n"
  " z-index: -1;\n"
  " opacity: 0.15;\n"
  "}\n"
  "img {\n"
  " min-height: 100%;\n"
  " min-width: 100%;\n"
  " height: 100%;\n"
  " width: 100%;\n"
  " position: absolute;\n"
  " top:-50%; bottom: -50%;\n"
  " left:-50%; right: -50%;\n"
  " margin: auto;\n"
  " z-index: -1;\n"
  " background-repeat: no-repeat;\n"
  " background-position: center center;\n"
  " background-size: contain;\n"
  "}\n"
  "</style>\n"
  "</head>\n"
  "<body>\n"
  "<div class=\"splash\"></div>\n"
  "<div><img src=\"data:image/svg+xml;base64,<svg height="105.28475" id="svg3960" inkscape:version="0.43+0.44pre3" sodipodi:docbase="C:\Documents and Settings\Ivan Bachev\Desktop" sodipodi:docname="book2.svg" sodipodi:version="0.32" version="1.0" width="224.64911" xmlns="http://www.w3.org/2000/svg" xmlns:cc="http://web.resource.org/cc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
  <metadata>
    <rdf:RDF xmlns:cc="http://web.resource.org/cc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
      <cc:Work rdf:about="">
        <dc:title>open book</dc:title>
        <dc:description></dc:description>
        <dc:subject>
          <rdf:Bag>
            <rdf:li>note-book</rdf:li>
            <rdf:li>book</rdf:li>
            <rdf:li>paper</rdf:li>
          </rdf:Bag>
        </dc:subject>
        <dc:publisher>
          <cc:Agent rdf:about="http://www.openclipart.org/">
            <dc:title>Open Clip Art Library</dc:title>
          </cc:Agent>
        </dc:publisher>
        <dc:creator>
          <cc:Agent>
            <dc:title>Ivan Bachev</dc:title>
          </cc:Agent>
        </dc:creator>
        <dc:rights>
          <cc:Agent>
            <dc:title>Ivan Bachev</dc:title>
          </cc:Agent>
        </dc:rights>
        <dc:date>13-06-2006</dc:date>
        <dc:format>image/svg+xml</dc:format>
        <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"/>
        <cc:license rdf:resource="http://web.resource.org/cc/PublicDomain"/>
        <dc:language>en</dc:language>
      </cc:Work>
      <cc:License rdf:about="http://web.resource.org/cc/PublicDomain">
        <cc:permits rdf:resource="http://web.resource.org/cc/Reproduction"/>
        <cc:permits rdf:resource="http://web.resource.org/cc/Distribution"/>
        <cc:permits rdf:resource="http://web.resource.org/cc/DerivativeWorks"/>
      </cc:License>
    </rdf:RDF>
  </metadata>
  <defs id="defs3962">
    <linearGradient id="linearGradient10971">
      <stop id="stop10973" offset="0" style="stop-color:white;stop-opacity:1;"/>
      <stop id="stop10975" offset="1" style="stop-color:#bebebe;stop-opacity:0;"/>
    </linearGradient>
    <radialGradient cx="389.91888" cy="487.68692" fx="389.91888" fy="487.68692" gradientTransform="matrix(1,0,0,0.66,0,165.8135)" gradientUnits="userSpaceOnUse" id="radialGradient2921" inkscape:collect="always" r="50.507626" xlink:href="#linearGradient10971"/>
    <linearGradient id="linearGradient6408">
      <stop id="stop6410" offset="0" style="stop-color:#e4d9aa;stop-opacity:1;"/>
      <stop id="stop7304" offset="0.51785713" style="stop-color:#f8f7f4;stop-opacity:1;"/>
      <stop id="stop6412" offset="1" style="stop-color:#e4d9aa;stop-opacity:1;"/>
    </linearGradient>
    <linearGradient gradientUnits="userSpaceOnUse" id="linearGradient2923" inkscape:collect="always" x1="234.63875" x2="551.25989" xlink:href="#linearGradient6408" y1="685.72253" y2="685.72253"/>
    <linearGradient id="linearGradient3841" inkscape:collect="always">
      <stop id="stop3843" offset="0" style="stop-color:white;stop-opacity:1;"/>
      <stop id="stop3845" offset="1" style="stop-color:white;stop-opacity:0;"/>
    </linearGradient>
    <linearGradient gradientTransform="matrix(1.183107,-0.190689,0.190689,1.183107,-1422.812,-189.9006)" gradientUnits="userSpaceOnUse" id="linearGradient3910" inkscape:collect="always" x1="1525.6315" x2="1396.1476" xlink:href="#linearGradient3841" y1="836.10828" y2="823.21466"/>
    <radialGradient cx="389.91888" cy="487.68692" fx="389.91888" fy="487.68692" gradientTransform="matrix(1,0,0,0.66,0,165.8135)" gradientUnits="userSpaceOnUse" id="radialGradient4003" inkscape:collect="always" r="50.507626" xlink:href="#linearGradient10971"/>
    <linearGradient gradientUnits="userSpaceOnUse" id="linearGradient4005" inkscape:collect="always" x1="234.63875" x2="551.25989" xlink:href="#linearGradient6408" y1="685.72253" y2="685.72253"/>
    <linearGradient gradientTransform="matrix(1.183107,-0.190689,0.190689,1.183107,-1422.812,-189.9006)" gradientUnits="userSpaceOnUse" id="linearGradient4007" inkscape:collect="always" x1="1525.6315" x2="1396.1476" xlink:href="#linearGradient3841" y1="836.10828" y2="823.21466"/>
  </defs>
  <sodipodi:namedview bordercolor="#666666" borderopacity="1.0" id="base" inkscape:current-layer="layer1" inkscape:cx="234.44231" inkscape:cy="249.44648" inkscape:document-units="px" inkscape:pageopacity="0.0" inkscape:pageshadow="2" inkscape:zoom="0.7" pagecolor="#ffffff"/>
  <g id="layer1" inkscape:groupmode="layer" inkscape:label="Layer 1" transform="translate(-262.6754,-479.7198)">
    <g id="g3991">
      <path d="M 440.42651 487.68692 A 50.507626 33.335033 0 1 1  339.41126,487.68692 A 50.507626 33.335033 0 1 1  440.42651 487.68692 z" id="path2889" sodipodi:cx="389.91888" sodipodi:cy="487.68692" sodipodi:rx="50.507626" sodipodi:ry="33.335033" sodipodi:type="arc" style="opacity:1;fill:url(#radialGradient4003);fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1" transform="matrix(1.881224,0,0,1.041162,-360.0064,42.5363)"/>
      <g id="g2891" transform="matrix(0.656645,0,0,0.656645,118.3777,219.3906)">
        <path d="M 315.875,408.14223 C 297.02946,408.2645 277.42708,410.90488 254.53125,413.76723 L 219.75,526.23598 C 277.62314,512.28397 317.52721,524.39796 390.1875,546.23598 L 390.09375,425.20473 C 363.06697,412.01183 340.10498,407.98502 315.875,408.14223 z M 461.4375,408.14223 C 438.67147,408.44836 416.7753,412.74477 391.25,425.20473 L 391.1875,546.23598 C 463.84779,524.39796 503.75187,512.28397 561.625,526.23598 L 526.84375,413.76723 C 502.3125,410.70043 481.52517,407.87212 461.4375,408.14223 z " id="path2893" inkscape:tile-cx="310.6875" inkscape:tile-cy="401.88167" inkscape:tile-h="138.11165" inkscape:tile-w="341.875" style="color:black;fill:#a6a18e;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:0.64266324px;stroke-linecap:butt;stroke-linejoin:miter;marker:none;marker-start:none;marker-mid:none;marker-end:none;stroke-miterlimit:4;stroke-dashoffset:0;stroke-opacity:1;visibility:visible;display:inline;overflow:visible"/>
        <g id="g2895" style="fill:#936b50;fill-opacity:1" transform="translate(0.357143,-218.1929)">
          <path d="M 336.68853,740.34263 L 335.79764,748.83669 C 357.41356,754.83195 367.35477,757.4801 390.05487,764.30261 L 390.02558,755.6589 C 373.89432,750.77555 372.27143,751.59481 336.68853,740.34263 z " id="path2897" sodipodi:nodetypes="ccccc" style="color:black;fill:#936b50;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:0.64266324px;stroke-linecap:butt;stroke-linejoin:miter;marker:none;marker-start:none;marker-mid:none;marker-end:none;stroke-miterlimit:4;stroke-dashoffset:0;stroke-opacity:1;visibility:visible;display:inline;overflow:visible"/>
          <path d="M 444.46983,740.34263 L 445.36072,748.83669 C 423.7448,754.83195 413.80359,757.4801 391.10349,764.30261 L 391.13278,755.6589 C 407.26404,750.77555 408.88693,751.59481 444.46983,740.34263 z " id="path2899" sodipodi:nodetypes="ccccc" style="color:black;fill:#936b50;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:0.64266324px;stroke-linecap:butt;stroke-linejoin:miter;marker:none;marker-start:none;marker-mid:none;marker-end:none;stroke-miterlimit:4;stroke-dashoffset:0;stroke-opacity:1;visibility:visible;display:inline;overflow:visible"/>
        </g>
        <g id="g2901" transform="translate(0,-220.2132)">
          <path d="M 316.11653,622.60193 C 297.27099,622.7242 277.66861,625.36458 254.77278,628.22693 L 219.99153,740.69568 C 277.86467,726.74367 317.76874,738.85766 390.42903,760.69568 L 390.33528,639.66443 C 363.3085,626.47153 340.34651,622.44472 316.11653,622.60193 z M 461.67903,622.60193 C 438.913,622.90806 417.01683,627.20447 391.49153,639.66443 L 391.42903,760.69568 C 464.08932,738.85766 503.9934,726.74367 561.86653,740.69568 L 527.08528,628.22693 C 502.55403,625.16013 481.7667,622.33182 461.67903,622.60193 z " id="path2903" inkscape:tile-cx="310.6875" inkscape:tile-cy="401.88167" inkscape:tile-h="138.11165" inkscape:tile-w="341.875" style="color:black;fill:#e4d8aa;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:0.64266324px;stroke-linecap:butt;stroke-linejoin:miter;marker:none;marker-start:none;marker-mid:none;marker-end:none;stroke-miterlimit:4;stroke-dashoffset:0;stroke-opacity:1;visibility:visible;display:inline;overflow:visible"/>
          <path d="M 316.11653,616.6846 C 297.27099,616.80687 277.66861,619.44725 254.77278,622.3096 L 219.99153,734.77835 C 277.86467,720.82634 317.76874,732.94033 390.42903,754.77835 L 390.33528,633.7471 C 363.3085,620.5542 340.34651,616.52739 316.11653,616.6846 z M 461.67903,616.6846 C 438.913,616.99073 417.01683,621.28714 391.49153,633.7471 L 391.42903,754.77835 C 464.08932,732.94033 503.9934,720.82634 561.86653,734.77835 L 527.08528,622.3096 C 502.55403,619.2428 481.7667,616.41449 461.67903,616.6846 z " id="path2905" inkscape:tile-cx="310.6875" inkscape:tile-cy="401.88167" inkscape:tile-h="138.11165" inkscape:tile-w="341.875" style="color:black;fill:url(#linearGradient4005);fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:0.64266324px;stroke-linecap:butt;stroke-linejoin:miter;marker:none;marker-start:none;marker-mid:none;marker-end:none;stroke-miterlimit:4;stroke-dashoffset:0;stroke-opacity:1;visibility:visible;display:inline;overflow:visible"/>
        </g>
      </g>
      <path d="M 467.29851,506.41303 C 474.18401,522.43629 474.48071,533.32632 482.32201,549.44192 C 459.23721,553.20446 448.16791,546.83178 416.45581,553.99226 C 444.18071,516.18492 448.90871,517.4035 467.29851,506.41303 z " id="path2951" sodipodi:nodetypes="cccc" style="fill:url(#linearGradient4007);fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"/>
    </g>
  </g>
</svg>\"></div>\n"
  "<div style=\"text-align: center;\">\n"
  "<h1>Setup</h1>\n"
  "<h2>... upgrading ...</h2>\n";
  // The above signature (... upgrading ...) is used elsewhere and should match with this for proper operation.

  // Visual progress indicator.
  // The progress bar restarts when it is near the end and the device is not yet ready initializing.
  // The user will understand that the device is still busy, and not think that it is not stuck.
  config_globals_setup_progress += 5;
  if (config_globals_setup_progress > 90) config_globals_setup_progress = 10;
  notice.append ("<p><progress value=\"" + std::to_string (config_globals_setup_progress) + "\" max=\"100\"></progress></p>");
  
  // Informative text for progress indication.
  notice.append ("<p>... " + config_globals_setup_message + " ...</p>");
  
  // Remainder of the setup page.
  notice.append (
  "<p>Please sit back and keep the device on till the upgrade has completed.</p>\n"
  "</div>\n"
  "</body>\n"
  "</html>\n"
  );

  return notice.c_str();
}


std::string setup_index (Webserver_Request& webserver_request)
{
  Assets_View view{};

  // Get the existing Administrators.
  const std::vector <std::string> admins = webserver_request.database_users ()->getAdministrators ();

  // Admins do not yet exist: Allow to enter an admin.
  if (admins.empty ()) {
    if (!webserver_request.post_get("Submit").empty ()) {
      const std::string admin_username = webserver_request.post_get("admin_username");
      const std::string admin_password = webserver_request.post_get("admin_password");
      const std::string admin_email = webserver_request.post_get("admin_email");
      std::vector <std::string> errors{};
      if (admin_username.length() < 5) errors.push_back ("Choose a longer username.");
      if (admin_password.length() < 7) errors.push_back ("Choose a longer password.");
      if (admin_email.length() < 5) errors.push_back ("Enter a valid email address.");
      if (errors.empty()) {
        // Store admin details.
        setup_set_admin_details (admin_username, admin_password, admin_email);
        setup_complete_gui ();
        // Store web site's base URL.
        const std::string site_url = get_base_url (webserver_request);
        database::config::general::set_site_url (site_url);
        // Redirect.
        redirect_browser (webserver_request, index_index_url ());
      } else {
        view.enable_zone ("errors");
        view.set_variable ("error", filter::strings::implode (errors, " "));
      }
    }
  }

  // Enable appropriate zones: Either enter admin's details, or else display the details.
  if (admins.empty ()) {
    view.enable_zone ("enteradmin");
    view.enable_zone ("enteruser");
    view.enable_zone ("enterpass");
    view.enable_zone ("entermail");
    view.enable_zone ("displaysubmit");
  } else {
    std::string usernames{};
    std::string emails{};
    for (unsigned int i = 0; i < admins.size(); i++) {
      if (i) {
        usernames.append (" / ");
        emails.append (" / ");
      }
      usernames.append (admins[i]);
      emails.append (webserver_request.database_users ()->get_email (admins[i]));
    }
    view.set_variable ("usernames", usernames);
    view.set_variable ("emails", emails);
    view.enable_zone ("displayok");
    view.set_variable ("readonly", "readonly");
    // If the admin's are already there, then the setup has completed.
    // The automatic page refresh will kick in, and navigate to the main screen.
    database::config::general::set_installed_interface_version (config::logic::version ());
  }

  return view.render ("setup", "index");
}