Kofutela Kofutela Kofutela Kofutela Kofutela Kofutela Kofutela Kofutela Kofutela

MisoGabriel L. Manor

Supabase na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na

Supabase na na na na na na na na na na na na nafine-grained permissionsna na na na narelationships between users and dataNa na na na na na na

Na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na

Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la 100%Supabase authentication and authorizationMisoNext.jsMiso

MisoSupabase Authna na na na na na na na naauthorization rulesMisoWikipedia: ReBAC (Relationship-Based Access Control)KofutelaSupabase Edge FunctionsETENI YAlocal Policy Decision Point (PDP)Miso

Na ye, na ye, na ye, na ye, na ye, na ye, na ye, na ye.

Penza

Na minoko koleka lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingomba lingombaSupabaseMisoNext.jslingomba na authentication na autorisation.

app na na na na na na na na na na na na na na na na na na na na naSupabase Authna Login / Signup na na na na na naauthorization policiesna na na na na na na na na na na na na na

na na na na na na na na na naAuthMisoPostgresMisoRLSMisoRealtimeMisoEdge Functionsna na na naRelationship-Based Access Control (ReBAC)Modele ya lingomba ya misato ya misato ya misato ya misato ya misato ya misato ya misato.

Posa

Supabase – Backend-as-a-service na database, authentication, real-time, na ekopesa
Next.js – Framework ya Frontend ya bote ya API na interface ya app
Permit.io – (baki ya ReBAC) ekomisa na ekomisa logic via PDP
Supabase CLI – Mbongola na mbongo na mbongo na mbongo na mbongo na mbongo na mbongo na mbongo na mbongo na mbongo na mbongo na mbongo

Supabase Miso Miso Miso

Miso

Node.js ya libosó
Miso
Kofutela
Wikipedia: React/Next.js
Posa Posa

Na na na na na na na

Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba.

Na na na na na na na na na na na na na
Na na na na na na na na na na na na na
Na na na na na na na na na na
Na na na na na na na na na na na na

Posa Posa

Na na na na na na na na na

Komona Project, Schema, Auth, na RLS
Pamba la Pamba la Pamba la Pamba la 100%
Ekolali Ekolali Ekolali Ekolali
Na na na na na na na na na na na na na na
Na na na na na na na na na na na na

Miso -

Setting up Supabase in the Project

Kofutela Supabase na Project

Pamba la Pamba la Pamba la 100%

na na na na naMisoMisoGitHubna code na na na na na na na na na na na na na na na

Na na na na na na na na na na na na na

git clone <https://github.com/permitio/supabase-fine-grained-authorization>

Oko ya boteyi ya boteyi, boteyi ya boteyi ya boteyi ya boteyi ya boteyi ya boteyi ya boteyi:

cd realtime-polling-app-nextjs-supabase-permitio
npm install

Kofutela Project na Supabase

Miso

Na na na na na na na na na na na na na na na
Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la 100%
Kofutela na Project Settings → API na likoki ya Project URL na Anon Key – na liko ya lingomba.

Pamba la Pamba la Pamba la Pamba la 100%

Na na na na na na na na na na na na na

Pamba la Pamba la Pamba la Pamba la Pamba la 100%
Posa Posa
(Motobaz) Kofutela e-mail ya konfirmation ya test, bali k'akhawunti ya production

Kofutela Database

Pamba la Pamba la Pamba la Pamba la 100%pollsMisooptionsMisovotesMisoSQL EditorPamba la Pamba la Pamba la Pamba la Pamba la Pamba la:

-- Create a polls table
CREATE TABLE polls (
    id UUID DEFAULT uuid_generate_v4() PRIMARY KEY,
    question TEXT NOT NULL,
    created_by UUID REFERENCES auth.users(id) NOT NULL,
    created_at TIMESTAMP WITH TIME ZONE DEFAULT TIMEZONE('utc', NOW()),
    creator_name TEXT NOT NULL,
    expires_at TIMESTAMP WITH TIME ZONE NOT NULL,
);

-- Create an options table
CREATE TABLE options (
    id UUID DEFAULT uuid_generate_v4() PRIMARY KEY,
    poll_id UUID REFERENCES polls(id) ON DELETE CASCADE,
    text TEXT NOT NULL,
);

-- Create a votes table
CREATE TABLE votes (
    id UUID DEFAULT uuid_generate_v4() PRIMARY KEY,
    poll_id UUID REFERENCES polls(id) ON DELETE CASCADE,
    option_id UUID REFERENCES options(id) ON DELETE CASCADE,
    user_id UUID REFERENCES auth.users(id),
    created_at TIMESTAMP WITH TIME ZONE DEFAULT TIMEZONE('utc', NOW()),
    UNIQUE(poll_id, user_id)
);

Kombo na kombo na kombo na kombo (RLS)

MisoLELOna katakoliki na tabela na tabela na tabela:

-- Polls policies
ALTER TABLE polls ENABLE ROW LEVEL SECURITY;

CREATE POLICY "Anyone can view polls" ON polls
    FOR SELECT USING (true);

CREATE POLICY "Authenticated users can create polls" ON polls
    FOR INSERT TO authenticated
    WITH CHECK (auth.uid() = created_by);

-- Options policies
ALTER TABLE options ENABLE ROW LEVEL SECURITY;

CREATE POLICY "Anyone can view options" ON options
    FOR SELECT USING (true);

CREATE POLICY "Poll creators can add options" ON options
    FOR INSERT TO authenticated
    WITH CHECK (
        EXISTS (
            SELECT 1 FROM polls
            WHERE id = options.poll_id
            AND created_by = auth.uid()
        )
    );

-- Votes policies
ALTER TABLE votes ENABLE ROW LEVEL SECURITY;

CREATE POLICY "Anyone can view votes" ON votes
    FOR SELECT USING (true);

CREATE POLICY "Authenticated users can vote once" ON votes
    FOR INSERT TO authenticated
    WITH CHECK (
        auth.uid() = user_id AND
        NOT EXISTS (
            SELECT 1 FROM polls
            WHERE id = votes.poll_id
            AND created_by = auth.uid()
        )
    );

Na na na na na na na na na

Pamba la Pamba la Pamba la Pamba la Pamba
Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la 100%

Kofutela Supabase Email Authentication na App

Na demo app na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na.env.localMiso

NEXT_PUBLIC_SUPABASE_URL=your_supabase_url
NEXT_PUBLIC_SUPABASE_ANON_KEY=your_anon_key

Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la 100%

import { useState } from "react";
import { createClient } from "@/utils/supabase/component";

const LogInButton = () => {
  const supabase = createClient();

  async function logIn() {
    const { error } = await supabase.auth.signInWithPassword({
      email,
      password,
    });
    if (error) {
      setError(error.message);
    } else {
      setShowModal(false);
    }
  }
  
  async function signUp() {
    const { error } = await supabase.auth.signUp({
      email,
      password,
      options: {
        data: {
          user_name: userName,
        },
      },
    });
    if (error) {
      setError(error.message);
    } else {
      setShowModal(false);
    }
  }

  const handleSubmit = async (e: React.FormEvent) => {
    e.preventDefault();
    setError("");

    if (isLogin) {
      await logIn();
    } else {
      await signUp();
    }
  };

  return (
    <>
      <button
        onClick={() => setShowModal(true)}
        className="flex items-center gap-2 p-2 bg-gray-800 text-white rounded-md">
        Log In
      </button>
      ...
    </>
  );
};

export default LogInButton;

Na na na na na na nasignInWithPasswordMetoda ya log na mtumiaji nasignUpNa na na na na na na na na na na na na nauser_namemetadata ya mtumiaji.

Misosupabase.auth.signOut()na na na na na na na na

import { createClient } from "@/utils/supabase/component";
import { useRouter } from "next/router";

const LogOutButton = ({ closeDropdown }: { closeDropdown: () => void }) => {
  const router = useRouter();
  const supabase = createClient();

  const handleLogOut = async () => {
    await supabase.auth.signOut();
    closeDropdown();
    router.push("/");
  };
    
  return (
  ...
  );
};

export default LogOutButton;

ETENI YA 10signOutNa na na na na na na na na na na na na na

Pamba la Pamba la Pamba la Pamba la 100%

Kofutela misato ya misato ya misato ya misato ya misato ya misato ya misato ya misato ya misato ya misato ya misato.

Pamba la Pamba la Pamba la Pamba la 100%
Kofutela ebele ebele ebele ebele ebele ebele ebele ebele ebele ebele ebele ebele ebele ebele.
Na na na na na na na na na na na na

Misosupabase.auth.onAuthStateChange()pe-po-girl14

In theMisoLayout.tsxMisofile: Track Global Auth State

import React, { useEffect, useState } from "react";
import { createClient } from "@/utils/supabase/component";
import { User } from "@supabase/supabase-js";

const Layout = ({ children }: { children: React.ReactNode }) => {
  const [user, setUser] = useState<User | null>(null);

  useEffect(() => {
    const fetchUser = async () => {
      const supabase = createClient();
      const { data } = supabase.auth.onAuthStateChange((event, session) => {
        setUser(session?.user || null);
      });

      return () => {
        data.subscription.unsubscribe();
      };
    };

    fetchUser();
  }, []);

  return (
    ...
  );
};

export default Layout;

Kofutela ebele ebele ebele ebele

Posapoll details or poll management, you should also listen for authentication state changes to prevent unauthenticated users from accessing them.

Here’s how it looks in pages/polls/[id].tsxMiso

import { createClient } from "@/utils/supabase/component";
import { User } from "@supabase/supabase-js";

const Page = () => {
  const [user, setUser] = useState<User | null>(null);

  useEffect(() => {
    const fetchUser = async () => {
      const supabase = createClient();
      const { data } = supabase.auth.onAuthStateChange((event, session) => {
        setUser(session?.user || null);
        setLoading(false);
      });

      return () => {
        data.subscription.unsubscribe();
      };
    };

    fetchUser();
  }, []);

  return (
    ...
  );

export default Page;

ETENI YA 10pages/polls/manage.tsx, na na na na na na na na na na na na na na na

import { createClient } from "@/utils/supabase/component";
import { User } from "@supabase/supabase-js";

const Page = () => {
  const [user, setUser] = useState<User | null>(null);
  
  const supabase = createClient();

  useEffect(() => {
    const fetchUser = async () => {
      const { data } = supabase.auth.onAuthStateChange((event, session) => {
        setUser(session?.user || null);
        if (!session?.user) {
          setLoading(false);
        }
      });

      return () => {
        data.subscription.unsubscribe();
      };
    };

    fetchUser();
  }, []);

  return (
    ...
  );
};

export default Page;

Na minoko koleka mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi mingi.userETENI YA 6checkPermission Edge Function to determine whether a user is allowed to vote or manage a specific poll.

Kofutela ya app Polling

Na Supabase ya konfigure na authentication ekolweni, na l'ala na l'ala na l'ala na l'ala na l'ala na l'ala.

Kofutela
Pamba la Pamba la Pamba la Pamba la Pamba la 100%
Misato ya misato ya misato

Na na na na na na na na na na na na na na na na na na na na na na

Kofutela

Na na na na na na na na na na na na na na na na na na na na na na na na na na na na na

MisoNewPoll.tsxNa na na na na na na na na na na na na na na na na

import React, { useEffect, useState } from "react";
import { createClient } from "@/utils/supabase/component";
import { User } from "@supabase/supabase-js";

const NewPoll = () => {
  const [user, setUser] = useState<User | null>(null);
  
  const supabase = createClient();

  useEffect(() => {
    const fetchUser = async () => {
      const supabase = createClient();
      const { data } = supabase.auth.onAuthStateChange((event, session) => {
        setUser(session?.user || null);
      });

      return () => {
        data.subscription.unsubscribe();
      };
    };

    fetchUser();
  }, []);

  const handleSubmit = async (e: React.FormEvent) => {
    e.preventDefault();

    if (question.trim() && options.filter(opt => opt.trim()).length < 2) {
      setErrorMessage("Please provide a question and at least two options.");
      return;
    }

     // Create the poll
     const { data: poll, error: pollError } = await supabase
      .from("polls")
      .insert({
        question,
        expires_at: new Date(expiryDate).toISOString(),
        created_by: user?.id,
        creator_name: user?.user_metadata?.user_name,
      })
      .select()
      .single();

    if (pollError) {
      console.error("Error creating poll:", pollError);
      setErrorMessage(pollError.message);
      return;
    }
    
    // Create the options
    const { error: optionsError } = await supabase.from("options").insert(
      options
        .filter(opt => opt.trim())
        .map(text => ({
          poll_id: poll.id,
          text,
        }))
    );

    if (!optionsError) {
      setSuccessMessage("Poll created successfully!");
      handleCancel();
    } else {
      console.error("Error creating options:", optionsError);
      setErrorMessage(optionsError.message);
    }
  };

  return (
     ...
  );
};

export default NewPoll;

Na minoko koleka koleka koleka koleka koleka koleka koleka koleka koleka koleka koleka koleka koleka koleka koleka koleka koleka koleka koleka koleka koleka koleka koleka koleka koleka koleka koleka koleka

Pamba la Pamba la 100%

Kofutelaactive (not yet expired) and past(Ntlalo) - Oto ya boteyi na Supabase na moya na time-stamp na redirect na redirect na redirect.

Misatopages/index.tsxMiso

import { PollProps } from "@/helpers";
import { createClient } from "@/utils/supabase/component";

export default function Home() {
  const supabase = createClient();

  useEffect(() => {
    const fetchPolls = async () => {
      setLoading(true);
      const now = new Date().toISOString();

      try {
        // Fetch active polls
        const { data: activePolls, error: activeError } = await supabase
          .from("polls")
          .select(
            `
            id,
            question,
            expires_at,
            creator_name,
            created_by,
            votes (count)
          `
          )
          .gte("expires_at", now)
          .order("created_at", { ascending: false });

        if (activeError) {
          console.error("Error fetching active polls:", activeError);
          return;
        }

        // Fetch past polls
        const { data: expiredPolls, error: pastError } = await supabase
          .from("polls")
          .select(
            `
            id,
            question,
            expires_at,
            creator_name,
            created_by,
            votes (count)
          `
          )
          .lt("expires_at", now)
          .order("created_at", { ascending: false });

        if (pastError) {
          console.error("Error fetching past polls:", pastError);
          return;
        }

        setCurrentPolls(activePolls);
        setPastPolls(expiredPolls);
      } catch (error) {
        console.error("Unexpected error fetching polls:", error);
      } finally {
        setLoading(false);
      }
    };

    fetchPolls();
    
        // Set up real-time subscription on the polls table:
    const channel = supabase
      .channel("polls")
      .on(
        "postgres_changes",
        {
          event: "*",
          schema: "public",
          table: "polls",
        },
        fetchPolls
      )
      .subscribe();

    return () => {
      supabase.removeChannel(channel);
    };
  }, []);

  return (
    ...
  );
}

Kofutela na minoko koleka

Na na na na na na na na na na na napolls table in Supabase. We are also setting up a real-time subscription to listen for changes in the pollslingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba.

Misopages/manage.tsxpe-po-girl13 pe-po-girl14

import { PollProps } from "@/helpers";

const Page = () => {
  
  useEffect(() => {
    if (!user?.id) return;

    const fetchPolls = async () => {
      try {
        const { data, error } = await supabase
          .from("polls")
          .select(
            `
            id,
            question,
            expires_at,
            creator_name,
            created_by,
            votes (count)
          `
          )
          .eq("created_by", user.id)
          .order("created_at", { ascending: false });

        if (error) {
          console.error("Error fetching polls:", error);
          return;
        }

        setPolls(data || []);
      } catch (error) {
        console.error("Unexpected error fetching polls:", error);
      } finally {
        setLoading(false);
      }
    };

    fetchPolls();

    // Set up real-time subscription
    const channel = supabase
      .channel(`polls_${user.id}`)
      .on(
        "postgres_changes",
        {
          event: "*",
          schema: "public",
          table: "polls",
          filter: `created_by=eq.${user.id}`,
        },
        fetchPolls
      )
      .subscribe();

    return () => {
      supabase.removeChannel(channel);
    };
  }, [user]);

   return (
    ...
  );
};

export default Page;

Na na na na na na na na na na na na na na napollslingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba ya lingomba

ETENI YA 10PollCard component so that if a logged-in user is the poll creator, icons for editing and deleting the poll will be displayed to them on the poll.

import { createClient } from "@/utils/supabase/component";
import { User } from "@supabase/supabase-js";

const PollCard = ({ poll }: { poll: PollProps }) => {
  const [user, setUser] = useState<User | null>(null);
  
  useEffect(() => {
    const supabase = createClient();
    const fetchUser = async () => {
      const { data } = supabase.auth.onAuthStateChange((event, session) => {
        setUser(session?.user || null);
        setLoading(false);
      });

      return () => {
        data.subscription.unsubscribe();
      };
    };

    fetchUser();
  }, []);

  return (
    ...
      )}
    </Link>
  );
};

export default PollCard;

Na kadi ya ba na ba na ba na ba na ba na ba na ba na ba na ba na ba na ba na ba na ba na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na.

Kombo na Kombo na Kombo na Kombo

Na na na na na na na na

Na na na na na na na na
Kombo na kombo na kombo
Pamba la Pamba la Pamba la 100%
Kombo na kombo na kombo na kombo na kombo na kombo

na na na na na na naViewPoll.tsxMiso

Fetch the Logged-In UserNa na na na na na na na na na na na na na na na na na na

import { createClient } from "@/utils/supabase/component";
import { User } from "@supabase/supabase-js";

const ViewPoll = () => {
  const [user, setUser] = useState<User | null>(null);

  const supabase = createClient();

  useEffect(() 
    const fetchUser = async () => {
      const {
        data: { user },
      } = await supabase.auth.getUser();
      setUser(user);
    };

    fetchUser();
  }, []);

Load Poll Details and Check Voting StatusNa na na na na na na na na na na

Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la 100%
na na na na na na na na na na

Na na na na na na na na na na na na

  useEffect(() => {
    if (!user) {
      return;
    }
    
    const checkUserVote = async () => {
      const { data: votes } = await supabase
        .from("votes")
        .select("id")
        .eq("poll_id", query.id)
        .eq("user_id", user.id)
        .single();

      setHasVoted(!!votes);
      setVoteLoading(false);
    };
   
    const fetchPoll = async () => {
      const { data } = await supabase
        .from("polls")
        .select(
          `
          *,
          options (
            id,
            text,
            votes (count)
          )
        `
        )
        .eq("id", query.id)
        .single();

      setPoll(data);
      setPollLoading(false);

      checkUserVote();
    };

    fetchPoll();

Listen for Real-Time Updates

Na na na na na na na navoteslingála, lingála lingála, lingála lingála, lingála lingála, lingála lingála, lingála lingála, lingála lingála, lingála lingála

    const channel = supabase
      .channel(`poll-${query.id}`)
      .on(
        "postgres_changes",
        {
          event: "*",
          schema: "public",
          table: "votes",
          filter: `poll_id=eq.${query.id}`,
        },
        () => {
          fetchPoll();
          checkUserVote();
        }
      )
      .subscribe();

    return () => {
      supabase.removeChannel(channel);
    };
  }, [query.id, user]);

Handle the Vote Submission

Na na na na na na na na na na na na na na na na na na na na na na na na

  const handleVote = async (optionId: string) => {
    if (!user) return;

    try {
      const { error } = await supabase.from("votes").insert({
        poll_id: query.id,
        option_id: optionId,
        user_id: user.id,
      });

      if (!error) {
        setHasVoted(true);
      }
    } catch (error) {
      console.error("Error voting:", error);
    }
  };

Display the Poll ResultsNa na na na na na na na na na na na na na na na na na

  if (!poll || pollLoading || voteLoading) return <div>Loading...</div>;

  // 6. calculate total votes
  const totalVotes = calculateTotalVotes(poll.options);
  const countdown = getCountdown(poll.expires_at);

  return (
  ...
  );
};

export default ViewPoll;

Na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na naauthorization checksMisoPermit.ioMisoSupabase Edge FunctionsNa na na na na na na na

Before we do that, let’s first look at the type of authorization layer we are going to implement.

Wikipedia: ReBAC (Relationship Based Access Control)

Supabase handles authentication and basic row-level permissions well, but it doesn’t support complex rules like:

Na na na na na na na na na na na
Pamba la Pamba la Pamba la 100% ya Pamba la 100% ya Pamba la 100% ya Pamba la 100% ya Pamba la 100% ya Pamba la 100% ya Pamba la 100% ya Pamba la 100% ya Pamba la 100% ya Pamba la 100% ya Pamba la 100% ya Pamba la 100% ya Pamba la 100% ya Pamba la 100% ya Pamba la 100% ya Pamba la 100% ya Pamba la 100% ya Pamba la 100% ya Pamba la 100% ya Pamba la 100% ya Pamba la 100% ya Pamba la 100% ya Pamba la 100%
Na na na na na na na na na

Na na na na na na na na na na na na na na na na na na na na

Relationship-Based Access Control (ReBAC)Na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na

Relationship-Based Access Control (ReBAC)

Na minoko koleka, mpe ReBAC na app polling:

Na na na na na na na na na na na na na na na
Na na na na na na na
Na na na na na na na na na na na

Po na reBAC, check outKofutelaMiso

Posa Posa

Na na na na na na na na na na na

Komona na komona na komona na komona na komona na komona na komona na komona na komona na komona na komona na komona na komona na komona na komona na komona na komona na komona na komona na komona.
Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la

Kofutela

Na na na na na na na na na na na na na

Na na na na na na na na na na na
Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba
Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la

Posa

Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la Pamba
Add resource instances Go to Directory → Instances Add individual poll IDs as resource instances (na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na

Eko ya likoki na likoki na likoki na likoki na likoki na likoki na likoki na likoki na likoki.

Na na na na na na na na na na na na na na na na na na na naMisona Supabase project via Edge Functions na:

Sync new users
Posa Posa
Posa Posa Posa

Setting up Permit in the Polling Application

Omisalj: Omisalj: Omisalj: Omisalj: Omisalj: Omisalj: Omisalj: Omisaljmakolinhot. Once you have hosted it, save the url for your container.

Kofutela ya API ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya Kofutela ya K

Wikipédia : Supabase Edge API

Supabase Edge Functionsna na na na na na na na na na na na na na na na na na na

Create Functions in Supabase

Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la 100%supabase functions newmisato. Eko ya misato ya misato:

npx supabase init
npx supabase functions new syncUser
npx supabase functions new updateCreatorRole
npx supabase functions new checkPermission

This will create a functionsMisosupabaseNa na na na na na na na na na na na na na na na

Penza (`syncUser.ts`[MOKO]

makolinhotSIGNED_UPpe-po-girl13 pe-po-girl14authenticatedMiso

import "jsr:@supabase/functions-js/edge-runtime.d.ts";
import { Permit } from "npm:permitio";

 const corsHeaders = {
  'Access-Control-Allow-Origin': "*",
  'Access-Control-Allow-Headers': 'Authorization, x-client-info, apikey, Content-Type',
  'Access-Control-Allow-Methods': 'POST, GET, OPTIONS, PUT, DELETE',
}

// Supabase Edge Function to sync new users with Permit.io
Deno.serve(async (req) => {

   const permit = new Permit({
    token: Deno.env.get("PERMIT_API_KEY"),
    pdp: "<https://real-time-polling-app-production.up.railway.app>",
   });
  
  try {
    const { event, user } = await req.json();

    // Only proceed if the event type is "SIGNED_UP"
    if (event === "SIGNED_UP" && user) {
      const newUser = {
        key: user.id,
        email: user.email,
        name: user.user_metadata?.name || "Someone",
      };

      // Sync the user to Permit.io
      await permit.api.createUser(newUser);
      await permit.api.assignRole({
        role: "authenticated",
        tenant: "default",
        user: user.id,
      });

      console.log(`User ${user.email} synced to Permit.io successfully.`);
    }

    // Return success response
    return new Response(
      JSON.stringify({ message: "User synced successfully!" }),
      { status: 200, headers: corsHeaders },
    );
  } catch (error) {
    console.error("Error syncing user to Permit: ", error);
    return new Response(
      JSON.stringify({
        message: "Error syncing user to Permit.",
        "error": error
      }),
      { status: 500, headers: { "Content-Type": "application/json" } },
    );
  }
});

Sika (`updateCreatorRole.ts`[MOKO]

Kofutela miso ya miso ya miso ya miso ya miso ya miso ya miso ya miso ya miso:

Na na na na na na na na na na na
Resource na resource: Resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na resource na

Nakanganga (`checkPermission.ts`[MOKO]

Na na na na na na na na na na na na na na na na na na na na nacreateMisoread, updateMisodelete) na pe-po-girl14

import "jsr:@supabase/functions-js/edge-runtime.d.ts";
import { Permit } from "npm:permitio";

const corsHeaders = {
  "Access-Control-Allow-Origin": "*",
  "Access-Control-Allow-Headers":
    "Authorization, x-client-info, apikey, Content-Type",
  "Access-Control-Allow-Methods": "POST, GET, OPTIONS, PUT, DELETE",
};

Deno.serve(async req => {
  const permit = new Permit({
    token: Deno.env.get("PERMIT_API_KEY"),
    pdp: "<https://real-time-polling-app-production.up.railway.app>",
  });

  try {
    const { userId, operation, key } = await req.json();

    // Validate input parameters
    if (!userId || !operation || !key) {
      return new Response(
        JSON.stringify({ error: "Missing required parameters." }),
        { status: 400, headers: { "Content-Type": "application/json" } }
      );
    }

    // Check permissions using Permit's ReBAC
    const permitted = await permit.check(userId, operation, {
      type: "polls",
      key,
      tenant: "default",
      // Include any additional attributes that Permit needs for relationship checking
      attributes: {
        createdBy: userId, // This will be used in Permit's policy rules
      },
    });

    return new Response(JSON.stringify({ permitted }), {
      status: 200,
      headers: corsHeaders,
    });
  } catch (error) {
    console.error("Error checking user permission: ", error);

    return new Response(
      JSON.stringify({
        message: "Error occurred while checking user permission.",
        error: error,
      }),
      { status: 500, headers: { "Content-Type": "application/json" } }
    );
  }
});

Tango Tango

Mbongwana mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo mbongo:

npx supabase start 
npx supabase functions serve

Na na na na na na na na na na

<http://localhost:54321/functions/v1/><function-name>

Misato:

<http://localhost:54321/functions/v1/checkPermission>

Kombo na Kombo na Kombo na Kombo na Kombo

Na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na

Miso na minoko koleka 4 na minoko na minoko na minoko na minoko na minoko na minoko na minoko na minoko na minoko na minoko na minoko na minoko.

`Kofutela`: Assign Creator Role baada ya Poll Creation

Kofutela

Moke, Moke, Moke, MokeupdateCreatorRole function to:

Na na na na na na na na na na
pe-po-girl13 na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na

`ViewPoll.tsx`: Restrict Voting Based on Permissions

Na na na na na na na na na na nacheckPermissionpe-po-girl14createMisovotespe-po-girl14“A creator cannot vote on their own poll.”

Check voting permission:

const [canVote, setCanVote] = useState(false);

useEffect(() => {
  const checkPermission = async () => {
    if (!user || !query.id) return;

    try {
      const response = await fetch("<http://127.0.0.1:54321/functions/v1/checkPermission>", {
        method: "POST",
        headers: {
          "Content-Type": "application/json",
        },
        body: JSON.stringify({
          userId: user.id,
          operation: "create",
          key: query.id,
        }),
      });

      const { permitted } = await response.json();
      setCanVote(permitted);
    } catch (error) {
      console.error("Error checking permission:", error);
      setCanVote(false);
    }
  };

  checkPermission();
}, [user, query.id]);

Disable vote buttons if user isn’t allowed:

<button
  onClick={() => handleVote(option.id)}
  disabled={!user || !canVote}}
  className="w-full text-left p-4 rounded-md hover:bg-slate-100 transition-colors disabled:opacity-50 disabled:cursor-not-allowed">
  {option.text}
</button>

Show a message if the user is not allowed to vote:

{user && !canVote && (
  <p className="mt-4 text-gray-600">You cannot vote on your own poll</p>
)}

`PollCard.tsx`Kofutela : Control Access to Edit/Delete

Na na na na na na na na na na na na na na na naupdateMisodeletePenza ya Penza

Check management permissions:

const [canManagePoll, setCanManagePoll] = useState(false);

useEffect(() => {
  const checkPollPermissions = async () => {
    if (!user || !poll.id) return;

    try {
      // Check for both edit and delete permissions
      const [editResponse, deleteResponse] = await Promise.all([
        fetch("<http://127.0.0.1:54321/functions/v1/checkPermission>", {
          method: "POST",
          headers: {
            "Content-Type": "application/json",
          },
          body: JSON.stringify({
            userId: user.id,
            operation: "update",
            key: poll.id,
          }),
        }),
        fetch("/api/checkPermission", {
          method: "POST",
          headers: {
            "Content-Type": "application/json",
          },
          body: JSON.stringify({
            userId: user.id,
            operation: "delete",
            key: poll.id,
          }),
        }),
      ]);

      const [{ permitted: canEdit }, { permitted: canDelete }] =
        await Promise.all([editResponse.json(), deleteResponse.json()]);

      // User can manage poll if they have either edit or delete permission
      setCanManagePoll(canEdit || canDelete);
    } catch (error) {
      console.error("Error checking permissions:", error);
      setCanManagePoll(false);
    }
  };

  checkPollPermissions();
}, [user, poll.id]);

Conditionally show management buttons:

Miso

{user?.id === poll?.created_by && (

Miso

{canManagePoll && (
  <div className="flex justify-start gap-4 mt-4">
    <button type="button" onClick={handleEdit}>
    </button>
    <button type="button" onClick={handleDelete}>
    </button>
  </div>
)}

Testing the Integration

Kofutela, mpe o komona esengo na app:

Na na na na na na na na na na na na
Na na na na na na na na na na na na na na na
Creators cannot vote on their own polls
Na na na na na na na na na na na na

Na mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi ya mbisi

Na na na na na na na, na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na na

Miso

Na tutorial na yo, na na na na na na naSupabase authentication and authorizationCongo-BrazzavilleNext.jsMiso

MisoSupabase AuthNa na na na na na na na na na na na na na na naReBAC[MOKO]Supabase Edge FunctionsETENI YAPolicy Decision Point (PDP)Kofutela nzambe nzambe nzambe nzambe nzambe.

PenzaSupabase AuthNa na na na na na na na na na

Pamba la Pamba la Pamba la 100%
Kofutela mpilo na mpilo na mpilo na mpilo na mpilo na mpilo na mpilo
Kofutela misato ya misato ya misato ya misato ya misato
Pamba la Pamba la Pamba la Pamba la Pamba la 100%

Miso

Omisalj
Pamba la Pamba la 100%
Pamba la Pamba la Pamba la Pamba la Pamba la Pamba la 100%
Posa Posa
Kofutela

MisoKombo, na minoko minoko minoko minoko minoko minoko minoko minoko minoko minoko minoko minoko minoko minoko minoko minoko minoko minoko minoko minoko minoko minoko minoko minoko.

Kombo

Kofutela Kofutela Kofutela Kofutela Kofutela Kofutela Kofutela Kofutela Kofutela

Molai mingi; Mpo na kotánga

Penza

Posa

Miso

Na na na na na na na

Posa Posa

Setting up Supabase in the Project

Pamba la Pamba la Pamba la 100%

Kofutela Project na Supabase

Pamba la Pamba la Pamba la Pamba la 100%

Kofutela Database

Kombo na kombo na kombo na kombo (RLS)

Kofutela Supabase Email Authentication na App

Pamba la Pamba la Pamba la Pamba la 100%

Kofutela ebele ebele ebele ebele

Kofutela ya app Polling

Kofutela

Pamba la Pamba la 100%

Kofutela na minoko koleka

Kombo na Kombo na Kombo na Kombo

Wikipedia: ReBAC (Relationship Based Access Control)

Posa Posa

Kofutela

Setting up Permit in the Polling Application

Wikipédia : Supabase Edge API

Create Functions in Supabase

Penza (syncUser.ts[MOKO]

Sika (updateCreatorRole.ts[MOKO]

Nakanganga (checkPermission.ts[MOKO]

Tango Tango

Kombo na Kombo na Kombo na Kombo na Kombo

Kofutela: Assign Creator Role baada ya Poll Creation

ViewPoll.tsx: Restrict Voting Based on Permissions

PollCard.tsxKofutela : Control Access to Edit/Delete

Testing the Integration

Miso

Miso

About Author

KOKANGA BA ÉTIQUES

ARTICLE OYO EZALAKI PRESENTE NA...

MASOLO OYO EZALI NA LIBOSO

Categories

Trending Topics

Penza (`syncUser.ts`[MOKO]

Sika (`updateCreatorRole.ts`[MOKO]

Nakanganga (`checkPermission.ts`[MOKO]

`Kofutela`: Assign Creator Role baada ya Poll Creation

`ViewPoll.tsx`: Restrict Voting Based on Permissions

`PollCard.tsx`Kofutela : Control Access to Edit/Delete