Initial Go code for reimplementation
This commit is contained in:
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6 changed files with 519 additions and 0 deletions
8
.gitignore
vendored
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8
.gitignore
vendored
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*.crt
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*.key
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*.pem
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.*.swp
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.idea/
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cacert-board_vote
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config.yaml
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database.sqlite
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392
boardvoting.go
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392
boardvoting.go
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package main
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import (
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"fmt"
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"log"
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"strings"
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"net/http"
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"io/ioutil"
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"time"
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_ "github.com/mattn/go-sqlite3"
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"gopkg.in/yaml.v2"
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"github.com/jmoiron/sqlx"
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"github.com/Masterminds/sprig"
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"os"
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"crypto/x509"
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"crypto/tls"
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"database/sql"
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"html/template"
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)
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const (
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list_decisions_sql = `
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SELECT decisions.id, decisions.tag, decisions.proponent,
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voters.name AS proposer, decisions.proposed, decisions.title,
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decisions.content, decisions.votetype, decisions.status, decisions.due,
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decisions.modified
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FROM decisions
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JOIN voters ON decisions.proponent=voters.id
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ORDER BY proposed DESC
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LIMIT 10 OFFSET 10 * ($1 - 1)`
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get_decision_sql = `
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SELECT decisions.id, decisions.tag, decisions.proponent,
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voters.name AS proposer, decisions.proposed, decisions.title,
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decisions.content, decisions.votetype, decisions.status, decisions.due,
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decisions.modified
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FROM decisions
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JOIN voters ON decisions.proponent=voters.id
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WHERE decisions.id=$1;`
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get_voter = `
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SELECT voters.id, voters.name
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FROM voters
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JOIN emails ON voters.id=emails.voter
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WHERE emails.address=$1 AND voters.enabled=1`
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vote_count_sql = `
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SELECT vote, COUNT(vote)
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FROM votes
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WHERE decision=$1`
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)
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var db *sqlx.DB
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var logger *log.Logger
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const (
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voteAye = 1
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voteNaye = -1
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voteAbstain = 0
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)
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const (
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voteTypeMotion = 0
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voteTypeVeto = 1
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)
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type VoteType int
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func (v VoteType) String() string {
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switch v {
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case voteTypeMotion: return "motion"
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case voteTypeVeto: return "veto"
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default: return "unknown"
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}
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}
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func (v VoteType) QuorumAndMajority() (int, int) {
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switch v {
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case voteTypeMotion: return 3, 50
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default: return 1, 99
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}
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}
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type VoteSums struct {
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Ayes int
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Nayes int
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Abstains int
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}
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func (v *VoteSums) voteCount() int {
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return v.Ayes + v.Nayes + v.Abstains
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}
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type VoteStatus int
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func (v VoteStatus) String() string {
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switch v {
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case -1: return "declined"
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case 0: return "pending"
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case 1: return "approved"
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case -2: return "withdrawn"
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default: return "unknown"
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}
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}
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type VoteKind int
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func (v VoteKind) String() string {
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switch v {
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case voteAye: return "Aye"
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case voteNaye: return "Naye"
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case voteAbstain: return "Abstain"
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default: return "unknown"
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}
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}
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type Vote struct {
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Name string
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Vote VoteKind
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}
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type Decision struct {
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Id int
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Tag string
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Proponent int
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Proposer string
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Proposed time.Time
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Title string
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Content string
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Majority int
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Quorum int
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VoteType VoteType
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Status VoteStatus
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Due time.Time
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Modified time.Time
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VoteSums
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Votes []Vote
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}
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func (d *Decision) parseVote(vote int, count int) {
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switch vote {
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case voteAye:
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d.Ayes = count
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case voteAbstain:
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d.Abstains = count
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case voteNaye:
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d.Nayes = count
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}
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}
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type Voter struct {
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Id int
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Name string
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}
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func authenticateVoter(emailAddress string, voter *Voter) bool {
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err := db.Ping()
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if err != nil {
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logger.Fatal(err)
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}
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auth_stmt, err := db.Preparex(get_voter)
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if err != nil {
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logger.Fatal(err)
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}
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defer auth_stmt.Close()
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var found = false
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err = auth_stmt.Get(voter, emailAddress)
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if err == nil {
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found = true
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} else {
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if err != sql.ErrNoRows {
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logger.Fatal(err)
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}
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}
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return found
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}
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func redirectToMotionsHandler(w http.ResponseWriter, _ *http.Request) {
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w.Header().Add("Location", "/motions")
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w.WriteHeader(http.StatusMovedPermanently)
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}
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func renderTemplate(w http.ResponseWriter, tmpl string, context interface{}) {
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t := template.New("motions.html")
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t.Funcs(sprig.FuncMap())
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t, err := t.ParseFiles(fmt.Sprintf("templates/%s.html", tmpl))
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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err = t.Execute(w, context)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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}
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func authenticateRequest(
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w http.ResponseWriter, r *http.Request,
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handler func(http.ResponseWriter, *http.Request, *Voter)) {
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var voter Voter
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var found = false
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authLoop: for _, cert := range r.TLS.PeerCertificates {
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var isClientCert = false
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for _, extKeyUsage := range cert.ExtKeyUsage {
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if extKeyUsage == x509.ExtKeyUsageClientAuth {
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isClientCert = true
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break
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}
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}
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if !isClientCert {
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continue
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}
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for _, emailAddress := range cert.EmailAddresses {
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if authenticateVoter(emailAddress, &voter) {
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found = true
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break authLoop
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}
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}
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}
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if !found {
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w.WriteHeader(http.StatusForbidden)
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renderTemplate(w, "denied", nil)
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return
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}
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handler(w, r, &voter)
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}
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func motionsHandler(w http.ResponseWriter, _ *http.Request, voter *Voter) {
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err := db.Ping()
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if err != nil {
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logger.Fatal(err)
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}
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// $page = is_numeric($_REQUEST['page'])?$_REQUEST['page']:1;
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motion_stmt, err := db.Preparex(list_decisions_sql)
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votes_stmt, err := db.Preparex(vote_count_sql)
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if err != nil {
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logger.Fatal(err)
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}
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defer motion_stmt.Close()
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defer votes_stmt.Close()
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rows, err := motion_stmt.Queryx(1)
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if err != nil {
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logger.Fatal(err)
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}
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defer rows.Close()
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var page struct {
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Decisions []Decision
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Voter *Voter
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}
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page.Voter = voter
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for rows.Next() {
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var d Decision
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err := rows.StructScan(&d)
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if err != nil {
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logger.Fatal(err)
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}
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voteRows, err := votes_stmt.Queryx(d.Id)
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if err != nil {
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logger.Fatal(err)
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}
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for voteRows.Next() {
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var vote, count int
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err = voteRows.Scan(&vote, &count)
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if err != nil {
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voteRows.Close()
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logger.Fatal(err)
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}
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d.parseVote(vote, count)
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}
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page.Decisions = append(page.Decisions, d)
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voteRows.Close()
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}
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renderTemplate(w, "motions", page)
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}
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func votersHandler(w http.ResponseWriter, _ *http.Request, voter *Voter) {
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err := db.Ping()
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if err != nil {
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logger.Fatal(err)
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}
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fmt.Fprintln(w, "Hello", voter.Name)
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sqlStmt := "SELECT name, reminder FROM voters WHERE enabled=1"
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rows, err := db.Query(sqlStmt)
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if err != nil {
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logger.Fatal(err)
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}
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defer rows.Close()
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fmt.Print("Enabled voters\n\n")
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fmt.Printf("%-30s %-30s\n", "Name", "Reminder E-Mail address")
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fmt.Printf("%s %s\n", strings.Repeat("-", 30), strings.Repeat("-", 30))
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for rows.Next() {
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var name string
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var reminder string
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err = rows.Scan(&name, &reminder)
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if err != nil {
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logger.Fatal(err)
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}
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fmt.Printf("%-30s %s\n", name, reminder)
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}
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err = rows.Err()
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if err != nil {
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logger.Fatal(err)
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}
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}
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type Config struct {
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BoardMailAddress string `yaml:"board_mail_address"`
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NoticeSenderAddress string `yaml:"notice_sender_address"`
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DatabaseFile string `yaml:"database_file"`
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ClientCACertificates string `yaml:"client_ca_certificates"`
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ServerCert string `yaml:"server_certificate"`
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ServerKey string `yaml:"server_key"`
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}
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func main() {
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logger = log.New(os.Stderr, "boardvoting: ", log.LstdFlags | log.LUTC)
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var filename = "config.yaml"
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if len(os.Args) == 2 {
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filename = os.Args[1]
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}
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var err error
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var config Config
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var source []byte
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source, err = ioutil.ReadFile(filename)
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if err != nil {
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logger.Fatal(err)
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}
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err = yaml.Unmarshal(source, &config)
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if err != nil {
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logger.Fatal(err)
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}
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logger.Printf("read configuration %v", config)
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db, err = sqlx.Open("sqlite3", config.DatabaseFile)
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if err != nil {
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logger.Fatal(err)
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}
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http.HandleFunc("/motions", func(w http.ResponseWriter, r *http.Request) {
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authenticateRequest(w, r, motionsHandler)
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})
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http.HandleFunc("/voters", func(w http.ResponseWriter, r *http.Request) {
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authenticateRequest(w, r, votersHandler)
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})
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http.HandleFunc("/static/", http.FileServer(http.Dir(".")).ServeHTTP)
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http.HandleFunc("/", redirectToMotionsHandler)
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// load CA certificates for client authentication
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caCert, err := ioutil.ReadFile(config.ClientCACertificates)
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if err != nil {
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logger.Fatal(err)
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}
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caCertPool := x509.NewCertPool()
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if !caCertPool.AppendCertsFromPEM(caCert) {
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logger.Fatal("could not initialize client CA certificate pool")
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}
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// setup HTTPS server
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tlsConfig := &tls.Config{
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ClientCAs:caCertPool,
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ClientAuth:tls.RequireAndVerifyClientCert,
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}
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tlsConfig.BuildNameToCertificate()
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server := &http.Server{
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Addr: ":8443",
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TLSConfig:tlsConfig,
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}
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err = server.ListenAndServeTLS(config.ServerCert, config.ServerKey)
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if err != nil {
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logger.Fatal("ListenAndServerTLS: ", err)
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}
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defer db.Close()
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}
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7
config.yaml.example
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7
config.yaml.example
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---
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board_mail_address: cacert-board@lists.cacert.org
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notice_sender_address: cacert-board-votes@lists.cacert.org
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database_file: database.sqlite
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client_ca_certificates: cacert_class3.pem
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server_certificate: server.crt
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server_key: server.key
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31
static/styles.css
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31
static/styles.css
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html, body, th, td {
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font-family: Verdana, Arial, Sans-Serif;
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font-size:10px;
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}
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table, tr, td, th {
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vertical-align:top;
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border:1px solid black;
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border-collapse: collapse;
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}
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td.navigation {
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text-align:center;
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}
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td.approved {
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color:green;
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}
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td.declined {
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color:red;
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}
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td.withdrawn {
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color:red;
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}
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td.pending {
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color:blue;
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}
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textarea {
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width:400px;
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height:150px;
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}
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input {
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width:400px;
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}
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13
templates/denied.html
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13
templates/denied.html
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<html>
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<head>
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<title>CAcert Board Decisions</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf8"/>
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<link rel="stylesheet" type="text/css" href="/static/styles.css"/>
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</head>
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<body>
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<h1>CAcert Board Decisions</h1>
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<b>You are not authorized to act here!</b><br/>
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<i>If you think this is in error, please contact the administrator</i>
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<i>If you don't know who that is, it is definitely not an error ;)</i>
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</body>
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</html>
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68
templates/motions.html
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68
templates/motions.html
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<!DOCTYPE html>
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<html xmlns="http://www.w3.org/1999/html">
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<head>
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<title>CAcert Board Decisions</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
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<link rel="stylesheet" type="text/css" href="/static/styles.css"/>
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</head>
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<body>
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<a href="?unvoted=1">Show my outstanding votes</a><br/>
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{{ if .Decisions }}
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<table class="list">
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<thead>
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<tr>
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<th>Status</th>
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<th>Motion</th>
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<th>Actions</th>
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</tr>
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</thead>
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<tbody>
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{{range .Decisions }}
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<tr>
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<td class="{{.Status}}">
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{{ if eq .Status 0 }}Pending {{ .Due}}
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{{ else if eq .Status 1}}Approved {{ .Modified}}
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{{ else if eq .Status -1}}Declined {{ .Modified}}
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{{ else if eq .Status -2}}Withdrawn {{ .Modified}}
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{{ else }}Unknown
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{{ end }}
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</td>
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<td>
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<i><a href="/motions?motion={{ .Tag}}">{{ .Tag}}</a></i><br />
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<b>{{ .Title}}</b><br />
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<pre>{{ wrap 76 .Content }}</pre>
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<br />
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<i>Due: {{.Due}}</i><br/>
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<i>Proposed: {{.Proposer}} ({{.Proposed}})</i><br/>
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<i>Vote type: {{.VoteType}}</i><br/>
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<i>Aye|Naye|Abstain: {{.Ayes}}|{{.Nayes}}|{{.Abstains}}</i><br />
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{{ if .Votes }}
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<i>Votes:</i><br/>
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{{ range .Votes}}
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<i>{{ .Name }}: {{ .Vote}}</i><br />
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{{ end }}
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{{ else}}
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<i><a href="/motions?motion={{.Tag}}&showvotes=1">Show Votes</a></i>
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{{ end }}
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</td>
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<td>
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{{ if eq .Status 0 }}
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<ul>
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<li><a href="/vote/{{ .Tag }}/aye">Aye</a></li>
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<li><a href="/vote/{{ .Tag }}/abstain">Abstain</a></li>
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<li><a href="/vote/{{ .Tag }}/naye">Naye</a></li>
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<li><a href="/proxy/{{ .Tag }}">Proxy Vote</a></li>
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<li><a href="/motion/{{ .Tag }}">Modify</a></li>
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<li><a href="/motions?motion={{ .Tag }}&withdraw=1">Withdraw</a></li>
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</ul>
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{{ end }}
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</td>
|
||||
</tr>
|
||||
{{end}}
|
||||
</tbody>
|
||||
</table>
|
||||
{{else}}
|
||||
<p>There are no motions in the system yet.</p>
|
||||
{{end}}
|
||||
</body>
|
||||
</html>
|
||||
Loading…
Reference in a new issue