contentScript.js

/*
MIT License

Copyright (c) 2021 Sushrut Kasture

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
var parsed_model = JSON.parse(atob(model))
var parser = new DOMParser();
var confirmedAudioURL = "https://github.com/sushrut111/cowin-automation-extn/blob/gh-pages/appointmentConfirmed.mp3?raw=true";
var otpAudioUrl = "https://github.com/sushrut111/cowin-automation-extn/blob/gh-pages/otpentry.mp3?raw=true";
var confirmAudio = new Audio(confirmedAudioURL);
var otpAudio = new Audio(otpAudioUrl);

const alreadySetIntervalsForEnableRefresh = [];

const sleep = (delay) => {
  return new Promise((resolve) => {
    setTimeout(() => {
      resolve(true);
    }, delay);
  })
}

var waitForEl = function (selector, callback) {
  if ($(selector).length) {
    callback();

  } else {
    setTimeout(function () {
      waitForEl(selector, callback);
    }, 100);
  }
};

const enterCaptcha = () => {

  let timeslots = $('.time-slot');
  let slotind = 0;
  if (timeslots.length === 0) return;
  if (timeslots.length === 4) {
    try {
      slotind = parseInt(timeslotind) - 1;
    } catch (e) {
      slotind = 0;
    }
  }
  if (isNaN(slotind)) {
    slotind = 0;
  }
  try {
    timeslots[slotind].click();
  } catch (e) {
    console.log("Requested timeslot is not available.");
  }

  //Reacaptcha Decode
  var svg = parser.parseFromString(atob($("img#captchaImage").attr("src").split("base64,")[1]), "image/svg+xml");
  $(svg).find('path').each((_, p) => {
    if ($(p).attr('stroke') != undefined) $(p).remove()
  })
  vals = []
  $(svg).find('path').each(
    (_, p) => {
      idx = parseInt($(p).attr("d").split(".")[0].replace("M", ""))
      vals.push(idx)
    }
  )
  var sorted = [...vals].sort(function (a, b) {
    return a - b;
  })
  var solution = ['', '', '', '', '']

  $(svg).find('path').each(
    (idx, p) => {
      var pattern = $(p).attr('d').replace(/[\d\.\s]/g, "")

      solution[sorted.indexOf(vals[idx])] = parsed_model[pattern]
    })

  $($(".captcha-style input")[0]).focus();

  for (var ii = 0; ii < 5; ii++) {
    $($(".captcha-style input")[0]).val(solution.join("").substr(0, ii + 1));

    $(".captcha-style input")[0].dispatchEvent(new Event("keyup", {
      bubbles: true
    }));

  }
}

const repFun = () => {

  waitForEl("[formcontrolname=mobile_number]", function () {
    $.ajax({
      url: "https://api.countapi.xyz/hit/cowinbooking/logins4",
    });
    $("[formcontrolname=mobile_number]").val(mobilenumber);
    setTimeout(() => {
      $("[formcontrolname=mobile_number]")[0].dispatchEvent(new Event("input", {
        bubbles: true
      }));
    }, 100);
    $("[formcontrolname=mobile_number]").on('input', (e) => {
      if (e.target.value.length === 10) {
        $('.login-btn').trigger('click');
      }
    })
  });

  waitForEl("[formcontrolname=otp]", function () {
    otpAudio.play().catch(_=>{});
    $("[formcontrolname=otp]").on('input', (e) => {
      if (e.target.value.length === 6) {
        $('.vac-btn').trigger('click');
      }
    })
  });

  const dispatchSelectorClick = async () => {
    await sleep(50);
    for (let index = 0; index < checked_buttons.length; index++) {
      const element = checked_buttons[index];
      await sleep(5);
      const id = $(`label:contains(${element}):not(.form-check-label)`).attr('for')
      if (!($(`#${id}`).prop('checked'))) {
        $(`label:contains(${element}):not(.form-check-label)`).trigger('click');
      }
    }
  }

  const findSlotsAndBook = () => {
    let foundslot = false;
    var slotRows = $("ul.slot-available-wrap")
    var centerNameRows = $("ion-col.main-slider-wrap");

    let centerTitles = $(centerNameRows).find(".center-name-title");
    let centerAddresses = $(centerNameRows).find(".center-name-text");

    for (let i = 0; i < slotRows.length; i++) {

      let center_text = centerTitles[i].innerText.trim() + " " + centerAddresses[i].innerText.trim();
      center_text = center_text.toLocaleLowerCase();
      let found_center_match = false;
      for (let jj = 0; jj < center_prefs.length; jj++) {
        if (center_text.includes(center_prefs[jj].toLocaleLowerCase())) found_center_match = true;
      }
      if (!found_center_match) {
        continue;
      }
      let slotCols = $(slotRows[i]).find("li");
      for (let slotIter = skipdays; slotIter < slotCols.length; slotIter++) {
        let slot = $(slotCols[slotIter]).find('a')
        for (let j = 0; j < slot.length; j++) {
          let avail = parseInt(slot[j].text.trim());
          if (avail >= booking_lower_lim) {
            slot[j].click();
            foundslot = true;
            break;
          }
        }
        if (foundslot) {
          break;
        }
      }
      if (foundslot) {
        break;
      }
    }
  }

  const dispatchStateDistrictClick = () => {
    // checked = district
    // unchecked = pincode
    setTimeout(() => {
      if (searchByDistrictFlag) {
        if ($("[formcontrolname=searchType]")[0] && !!!$("[formcontrolname=searchType]")[0].checked)
          $("[formcontrolname=searchType]").trigger('click')
      } else {
        $("[formcontrolname=pincode]").val(pincode);
        $("[formcontrolname=pincode]")[0].dispatchEvent(new Event("input", {
          bubbles: true
        }));
      }
    }, 500);
  }

  const dispatchClicksAndBook = async () => {
    await dispatchSelectorClick();
    if (keeptryingcontinuously) setTimeout(findSlotsAndBook, 500);
  }

  waitForEl("[formcontrolname=searchType]", function () {
    dispatchStateDistrictClick();
    $("[formcontrolname=pincode]").on('input', (e) => {
      if (e.target.value.length === 6) {
        $('.pin-search-btn').trigger('click');
        dispatchClicksAndBook();
      }
    })

    $("[formcontrolname=searchType]").on('change', async () => {
      let searchByDistrict = $("[formcontrolname=searchType]")[0].checked;
      if (searchByDistrict) {
        if (state_name.trim() === "" || district_name.trim() === "") return;
        $("[formcontrolname=state_id]").trigger('click');
        $(`span:contains(${state_name})`).trigger('click');
        await sleep(500)
        $("[formcontrolname=district_id]").trigger('click');
        $("span").filter((ind, spn) => spn.innerText === district_name).trigger("click");
        $('.pin-search-btn').trigger('click');
        dispatchClicksAndBook();
      } else {
        $("[formcontrolname=pincode]").on('input', (e) => {
          if (e.target.value.length === 6) {
            $('.pin-search-btn').trigger('click');
            dispatchClicksAndBook();
          }
        })
        $("[formcontrolname=pincode]").val(pincode);
        $("[formcontrolname=pincode]")[0].dispatchEvent(new Event("input", {
          bubbles: true
        }));
      }

    })

    if (enableAutoRefresh) {
      while (alreadySetIntervalsForEnableRefresh.length > 0) {
        let interval = alreadySetIntervalsForEnableRefresh.pop();
        clearInterval(interval);
      }
      alreadySetIntervalsForEnableRefresh.push(
        setInterval(() => {
          if ($('.pin-search-btn').length !== 0) {
            $('.pin-search-btn').trigger('click');
            dispatchClicksAndBook();
          }
        }, refresh_interval * 1000)
      );
    }
  })

}

$(window).on("load", () => {
  repFun();
});

let focus_ids = ["[formcontrolname=otp]", "[formcontrolname=mobile_number]", "[formcontrolname=pincode]"];

var current_href = location.href;
setInterval(function () {
  if (current_href !== location.href) {
    if (location.href === "https://selfregistration.cowin.gov.in/" || location.href === "https://selfregistration.cowin.gov.in") window.location.reload();
    if (location.href === "https://selfregistration.cowin.gov.in/dashboard" || current_href === "https://selfregistration.cowin.gov.in/appointment") window.location.reload();
    while (alreadySetIntervalsForEnableRefresh.length > 0) {
      let interval = alreadySetIntervalsForEnableRefresh.pop();
      clearInterval(interval);
    }
    if(location.href === "https://selfregistration.cowin.gov.in/appointment/success"){
        $.ajax({
          url: "https://api.countapi.xyz/hit/cowinbooking/booked4",
        });
        confirmAudio.play().catch(_ => {});
    }

    repFun();
    current_href = location.href;
  } else { }
}, 100);


const keep_focusing = () => {

  setInterval(() => {
    focus_ids.forEach(element => {

      if ($("#formWrapper").is(":hidden"))
        if ($(element).length !== 0) $(element).focus();
    });

  }, 1000);
}


keep_focusing();